View
221
Download
3
Category
Preview:
Citation preview
RS232C/RS485
Communication ModuleTechnical Specifications
RS
232C/R
S485 C
om
mu
nicatio
n M
od
ule
AC
GM
0181EN
D V
1.0 11/1999M
atsushita Electric W
orks (Europe) A
G
is a global brand name of Matsushita Electric Works.
Matsushita Electric Works (Europe) AG a
Copyright
This manual and everything described in it are copyrighted. You may not copy thismanual, in whole or part, without written consent of Matsushita Electric Works(Europe) AG.Matsushita Electric Works (Europe) AG pursues a policy of continuous improvementof the design and performance of its products, therefore, we reserve the right tochange the manual/product without notice. In no event will Matsushita ElectricWorks (Europe) AG be liable for direct, special, incidental, or consequential damageresulting from any defect in the product or its documentation, even if advised of thepossibility of such damages.
Labelling
NameplateNAiS RS232C/RS485 communication modules are clearly identified by theindications on the nameplate.
ManufacturerMatsushita Electric Works (Europe) AG; Rudolf–Diesel–Ring 2, 83607 Holzkirchen,Germany
Intended Use
RS232C/RS485 Communication Module:
• Operate the communication module only under the conditions prescribedin these Technical Specifications.
• The communication module is an additional module and can beoptionally attached to the NAiS VF–C inverter series. TheRS232C/RS485 communication module links these NAiS inverters tosuperimposed hosts (PLC or PC) using LECOM A/B field busses.
• The communication module must be attached and electrically connectedso that it complies with its function and does not cause any hazardswhen attached and operated as instructed. Ensure by appropriatemeasures that neither personal injury nor damage to property may occurin the event of malfunction of the communication module.
• Observe all information given in the section “Safety information”.
• Please observe all information given in these Technical Specifications.This means:– Read these Technical Specifications carefully before you start to work
with the system.– These Technical Specifications must always be available during
operation of the communication module.
Any other use shall be deemed inappropriate!
b
Matsushita Electric Works (Europe) AG
Liability
• The information, data, and notes in these Technical Specifications metthe state of the art at the time of printing. Claims referring toinverters/communication modules, which have already been supplied,cannot be derived from the information, illustrations, and descriptionsgiven in these Technical Specifications.
• The processing notes and circuit sections shown in these TechnicalSpecifications are proposals which cannot be transferred to otherapplications without being tested and checked. Matsushita ElectricWorks (Europe) AG does not take responsibility for the suitability of theprocess and circuit proposals.
• The indications given in these Technical Specifications describe thefeatures of the product without warranting them.
• Matsushita Electric Works (Europe) AG does not accept any liability fordamage and operating interference caused by:– disregarding the Technical Specifications– unauthorized modifications to the inverter– improper working on and with the communication module– operating errors
Warranty
• Warranty conditions: see Sales and Delivery Conditions of MatsushitaElectric Works (Europe) AG
• Warranty claims must be made to Matsushita Electric Works (Europe)AG immediately after detecting defects or faults.
• The warranty is void in all cases where liability cannot also beestablished.
Disposal
Material recycle disposeMetal � –
Plastic � –
Printed–board assemblies – �
Technical Specifications �
Matsushita Electric Works (Europe) AG c
Safety information
Persons responsible for the safety
Operator
• An operator is any natural or legal person who uses the drivesystem or on behalf of whom the drive system is used.
• The operator or his safety personnel is obliged
– to ensure the compliance with all relevant regulations, instructionsand legislation.
– to ensure that only skilled personnel works on and with the drivesystem.
– to ensure that the personnel has the Technical Specificationsavailable for all corresponding works.
– to ensure that all unqualified personnel are prohibited from working onand with the drive system.
Qualified personnelQualified personnel are persons who – because of their education, experience,instructions, and knowledge about corresponding standards and regulations, rulesfor the prevention of accidents, and operating conditions – are authorized by theperson responsible for the safety of the plant to perform the required actions andwho are able to recognize potential hazards.(Definition for qualified personnel according to VDE 105 or IEC 364)
d
Matsushita Electric Works (Europe) AG
General Safety Information
• These safety notes do not claim to be complete. In case ofquestions and problems please contact your representative ofMatsushita Electric Works (Europe) AG.
• At the time of delivery the communication module meets the stateof the art and ensures basically safe operation.
• The indications given in these Technical Specifications refer to thestated hardware and software versions of the communicationmodules.
• The communication module is hazardous if:
– unqualified personnel works on and with the communication module.– the communication module is used inappropriately.
• The processing notes and circuit sections shown in these TechnicalSpecifications are proposals which cannot be transferred to otherapplications without being tested and checked.
• Ensure by appropriate measures that neither personal injury nordamage to property may occur in the event of failure of thecommunication module.
• The drive system must only be operated when no faults occur.
• Retrofittings, modifications, or redesigns are basically prohibited.Matsushita Electric Works (Europe) AG must be contacted in allcases.
• The communication module is electrical equipment intended for usein industrial high–power plants. The communication module mustbe tightly screwed to the corresponding inverter during operation.In addition, all measures described in the Operating Instructions ofthe inverter used must be taken. Example: Fasten covers to ensureprotection against contact.
Matsushita Electric Works (Europe) AG e
Important Symbols
The following symbols are used in this manual:
Whenever the warning triangle is used, especially importantsafety instructions are given. If they are not adhered to, theresults could be:
�personal injury and/or• significant damage to instruments or their contents,
e.g. data
�Note
Contains important additional information or indicates that youshould proceed with caution.
� Example:
Contains an illustrative example of the previous text section.
� next pageIndicates that the text will be continued on the next page.
!
f
Matsushita Electric Works (Europe) AG
Matsushita Electric Works (Europe) AG Preface – 1
Preface
How to use these Operating Instructions
• These Technical Specifications are intended for safety–relevantoperations on and with the RS232C/RS485 communication moduleBFVC 9503. They contain safety information which must be observed.
• All personnel working on and with the RS232C/RS485 communicationmodule must have these Technical Specifications available and observethe information and notes relevant for them.
• The Technical Specifications must always be complete and perfectlyreadable.
These Technical Specifications contain most important technical data and describethe installation of the RS232C/RS485 communication module. Only valid with theoperating manual belonging to the inverter.
Terminology used
Cxxx/y subcode y of code Cxxx (e.g. C0410/3 = subcode 3 of code C0410)
L–Cxxx/y code location of VF–C
Xt/y Terminal block Xt/Terminal y (e. g. X3/28 = terminal 28 on terminal block X3)
(� xx – yy) cross reference (chapter – page number)
Items supplied
• 1 RS232C/RS485 communication module BFVC 9503 with housing(enclosure IP20)
• 1 M3 fixing screw
• 1 Two–pole male connector for voltage supply
• 1 Instruction sheet
ImportantAfter the delivery has been received, check immediately whether the items suppliedmatch the accompanying papers. Matsushita Electric Works (Europe) AG does notaccept any liability for deficiencies claimed subsequently.
Claim
• visible transport damage immediately to the forwarder
• visible deficiencies/incompleteness immediately to your representative ofMatsushita Electric Works (Europe) AG.
RS232C/RS485 Communication Module
Preface – 2
Matsushita Electric Works (Europe) AG
iMatsushita Electric Works (Europe) AG
Table of Contents
Preface
Chapter 1 Technical Data
1.1 Features 1 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 General Data and Application Conditions 1 – 4. . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Rated Data 1 – 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4 Dimensions 1 – 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 Communication Times 1 – 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 2 Installation
2.1 Connections of the Communication Module 2 – 3. . . . . . . . . . . . . . . . . . . . . . . . . 2.1.1 Overview 2 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.1.2 Female Plug for 9–Pole SubD Plug (LECOM–A/B) 2 – 3. . . . . . . . . . . 2.1.3 Plug–in Terminal for 4–Pole Male Plug (LECOM–B) 2 – 4. . . . . . . . . . . 2.1.4 Plug–in Terminal for 2–Pole Male Plug (External Voltage
Supply) 2 – 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.2 Mechanical Installation 2 – 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Electrical Installation 2 – 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Wiring to a Host 2 – 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4.1 Wiring via RS232C (LECOM–A) 2 – 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4.2 Wiring via RS485 (LECOM–B) 2 – 10. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 3 Commissioning
3.1 Before Switching On 3 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 4 Parameter Setting
4.1 Overview 4 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Parameter Sets 4 – 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3 Meaning of Individual Parameters 4 – 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3.1 Operating Mode 4 – 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3.2 LECOM Unit Address (C0009) 4 – 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents RS232C/RS485 Communication Module
ii
Matsushita Electric Works (Europe) AG
4.4 Special Features 4 – 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.1 Start with Inv. Inhibit Instead of QSP 4 – 7. . . . . . . . . . . . . . . . . . . . . . . . 4.4.2 Reduction of the Response Time of the Interface 4 – 7. . . . . . . . . . . . . 4.4.3 Communication Monitoring 4 – 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.4.4 Relative Setpoint Selection C0141 (Parameter Channel) 4 – 8. . . . . .
Chapter 5 Troubleshooting and Fault Elimination
5.1 Troubleshooting and Fault Elimination 5 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix A Accessories
A.1 Accessoires for RS232C (LECOM–A) A – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A.2 Accessories for RS485 (LECOM–B) A – 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix B Code Table
B.1 Code Table B – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix C LECOM–A/B Protocol
C.1 LECOM–A/B Protocol C – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C.1.1 General C – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C.1.2 RECEIVE C – 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C.1.3 SEND C – 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C.1.4 BROADCAST/MULTICAST C – 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C.1.5 Monitoring of the Slave Response C – 14. . . . . . . . . . . . . . . . . . . . . . . . . C.1.6 Transmission Faults C – 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix D List of Abbreviations
D.1 List of Abbreviations D – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix E Glossary
E.1 Glossary E – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Index
FiguresRS232C/RS485 Communication Module
iiiMatsushita Electric Works (Europe) AG
FiguresFigure 1: Dimensions of the RS232C/RS485 communication module 1 – 6. . . . . . . . . . . . . . . . Figure 2: Inverter VF–C 2 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 3: RS232C/RS485 communication module 2 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 4: Jumper positions for external and internal power supply 2 – 6. . . . . . . . . . . . . . . . . . . Figure 5: Wiring for RS232C (LECOM–A) 2 – 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 6: Wiring for RS485 (LECOM–B) 2 – 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 7: Connection between two inverters and to the C–Net adapter 2 – 11. . . . . . . . . . . . . . Figure 8: LEDs on the communication module 5 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figures RS232C/RS485 Communication Module
iv
Matsushita Electric Works (Europe) AG
Chapter 1
Technical Data
1.1 Features 1 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 General Data and Application Conditions 1 – 4. . . . . . . . . . .
1.3 Rated Data 1 – 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.4 Dimensions 1 – 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.5 Communication Times 1 – 7. . . . . . . . . . . . . . . . . . . . . . . . . . .
RS232C/RS485 Communication ModuleTechnical Data
1 – 2
Matsushita Electric Works (Europe) AG
RS232C/RS485 Communication Module Technical Data
1 – 3Matsushita Electric Works (Europe) AG
1.1 Features
1.1 Features
The RS232C/RS485 communication module has the following features:
• Different communication media:
– RS232C (LECOM–A)
– RS485 (LECOM–B)
• LECOM protocol V2.0
• The baud rate can be set to 1200, 2400, 4800 9600 or 19200 baud(bit/s).
• Parameter setting via inverter code numbers
• 3 diagnostic LEDs
• Electrical isolation between control stage and power stage
• Electrical isolation of the I/O terminals
• Easy installation
RS232C/RS485 Communication ModuleTechnical Data
1 – 4
Matsushita Electric Works (Europe) AG
1.2 General Data and Application Conditions
1.2 General Data and Application Conditions
Field ValuesCommunicationmedia
RS232C (LECOM–A): copper conductor RS485 (LECOM–B): copper conductor
Protocol LECOM–A/B V2.0
Characterformat
7 bit ASCII 1 Stop bit 1 Start bit 1 Parity bit (even)
Baud rate [bits/s] 1200, 2400, 4800, 9600, 19200
Ambienttemperature
During operation: 0 to +50 °C Transport: –25 to +70 °C Storage: –25 to +55 °C
Permissiblemoisture
Humidity class 3K3 according to EN50178 without condensation(average relative humidity 85%)
24 V DC powersupply
Internal or external supply
RS232C/RS485 Communication Module Technical Data
1 – 5Matsushita Electric Works (Europe) AG
1.3 Rated Data
1.3 Rated Data
RS232C/RS485 Communication ModuleCommunicationmedia
RS232 (LECOM–A)RS485 (LECOM–B)
Currentconsumption
80 mA
External supply(terminals 39/59)
V = 24 V DC Vrms = 15 to 30 V DC; w = 5 % Vrms = 20 to 25 V DC; w = 48 %; Vss � 35 V
Insulation voltages:
to PE 50 V AC
for external supply(terminal 39/59)
0 V AC (no electrical isolation)
to power stage VF–CE: 270 V AC (double basic insulation)
to the controlterminals
for internal supply:0 V AC (no electrical isolation)
for external supply:100 V AC (single basic insulation)
Degree of pollution VDE 0110 part 2, pollution degree 2
RS232C/RS485 Communication ModuleTechnical Data
1 – 6
Matsushita Electric Works (Europe) AG
1.4 Dimensions
1.4 Dimensions
all dimensions in [mm]
BFVC 9503
Figure 1: Dimensions of the RS232C/RS485 communication module
RS232C/RS485 Communication Module Technical Data
1 – 7Matsushita Electric Works (Europe) AG
1.5 Communication Times
1.5 Communication Times
The time required for communication with the drive can be displayed as a sequence ofprocessing steps (with corresponding times).
Step Explanationt0 Application program in host: Starts request to the inverter
t1 Software driver in host: Converts the requirement data to the LECOM–A– A/B protocol V2.0 and starts thetransmission
t2 Communication (= serial transmission) to the inverter (message time)
t3 Inverter: Processing of request and starting of response
t4 Communication response is transmitted (message time)
t5 Software driver in host: Evaluates response
t6 Application program in host: gets the result
The times t2, t3, and t4 are described in more detail below.Message time (t2 + t4)The message time comprises the serial communication from the host to the inverter andthe corresponding response from the inverter. The time depends on the message typeand the baud rate set under C0125.
Baud rate [bits/s] (C0125)
1200 2400 4800 9600 19200Single character transmission time [ms] 1 character = 10 bits; � section 1.2
8.4 4.2 2.1 1 0.52
Message type SEND (send data to drive):
Baud rate [bits/s] (C0125)
1200 2400 4800 9600 19200Standard [= t2] (Parameter value = 9 characters) [ms]
150 75 37.5 18.8 9.4
Addition for extended addressing [ms] 41.6 20.8 10.4 5.2 2.6
Message type RECEIVE (read data from drive):
Baud rate [bits/s]
1200 2400 4800 9600 19200Standard [= t4] (Parameter value = 9 characters) [ms]
166.7 83.3 41.7 20.8 10.4
Addition for extended addressing [ms] 83.3 41.7 20.8 10.4 5.2
If more or fewer than 9 characters are transmitted as message data, take thecorresponding character–transmission times into account.
Processing time in the inverter (t3)The processing time in the inverter depends on the inverter type and the code numbers.This is shown in the following table:
� next page
RS232C/RS485 Communication ModuleTechnical Data
1 – 8
Matsushita Electric Works (Europe) AG
1.5 Communication Times
Code numbers Processing time (communicationmodule + inverter) [ms]
C0046, C0135 20
C0050, C0150 20
C0068 30
Write other code numbers 201)
Read other code numbers 20
1) For immediately following write–access procedures, the response times may be up to 50ms.
Chapter 2
Installation
2.1 Connections of the Communication Module 2 – 3. . . . . . .
2.1.1 Overview 2 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1.2 Female Plug for 9–Pole SubD Plug(LECOM–A/B) 2 – 3. . . . . . . . . . . . . . . . . . . . . . . . .
2.1.3 Plug–in Terminal for 4–Pole Male Plug(LECOM–B) 2 – 4. . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1.4 Plug–in Terminal for 2–Pole Male Plug (External Voltage Supply) 2 – 4. . . . . . . . . . . . . . .
2.2 Mechanical Installation 2 – 5. . . . . . . . . . . . . . . . . . . . . . . . . .
2.3 Electrical Installation 2 – 6. . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Wiring to a Host 2 – 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4.1 Wiring via RS232C (LECOM–A) 2 – 8. . . . . . . . . .
2.4.2 Wiring via RS485 (LECOM–B) 2 – 10. . . . . . . . . .
RS232C/RS485 Communication ModuleInstallation
2 – 2
Matsushita Electric Works (Europe) AG
RS232C/RS485 Communication Module Installation
2 – 3Matsushita Electric Works (Europe) AG
2.1 Connections of the Communication Module
2.1 Connections of the Communication Module
2.1.1 Overview
1 32 Pos. Name/Meaning
BFVC 9503BFVC 9503
24V DC RS485
1 3
6
7
2� Green Vcc–LED for voltage supply:
ON = communication module and inverter are supplied with voltage.
BLINKING = communication module is supplied with voltage but the inverter is switched off or not connected
–+ 71 72 88 896
58 � Yellow RxD–LED for receival signal:
BLINKING = Drive units receives messageRS232C
9
4 � Yellow TxD–LED for transmission signal:BLINKING = Drive unit transmits response9
� 9–pole SubD female plug for the RS232C/RS485interface
Figure 3: RS232C/RS485 � Fixing screwcommunication module
� Clamp–plug connection for the RS485 interface
Figure 2: � Display of the operating state of the inverterInverterVF–C � connection for external power supply (24V DC �
10%)
PE connection (not used)
2.1.2 Female Plug for 9–Pole SubD Plug (LECOM–A/B)
Pin Name Input/output Explanation1 – – Not assigned
2 RxD Input Data receiving wire RS232C3 TxD Output Data transmitting wire RS232C
4 DTR Output Transmission control RS232C
5 GND – Reference potential6 DSR Input Not assigned RS232C
7 T/R(A) Input/output RS485
8 T/R(B) Input/output RS485
9 Vcc5 Output Supply +5 V / 10 mA
RS232C/RS485 Communication ModuleInstallation
2 – 4
Matsushita Electric Works (Europe) AG
2.1 Connections of the Communication Module
2.1.3 Plug–in Terminal for 4–Pole Male Plug (LECOM–B)
Pin Name Input/output Explanation71 T/R(B) Input/output RS48572 T/R(A) Input/output RS485
88 S–C – Capacitive screening to PE
89 S – Direct screening to PE
2.1.4 Plug–in Terminal for 2–Pole Male Plug (External Voltage Supply)
Pin Name Input/output Explanation39/� GND24 – Reference potential for external supply
59/� Vcc24 Input External supply 15 to 30 V DC (see chapter 1.3 )
RS232C/RS485 Communication Module Installation
2 – 5Matsushita Electric Works (Europe) AG
2.2 Mechanical Installation
2.2 Mechanical Installation
Procedure:
1. If there is an operating unit at the front of the inverter,remove it.
2. Mount the RS232C/RS485 communication module to thefront of the inverter using the fixing screws (� figure 3,pos. �).
Tighten the fixing screw to ensure adequate PE connection ofthe communication module.
!
RS232C/RS485 Communication ModuleInstallation
2 – 6
Matsushita Electric Works (Europe) AG
2.3 Electrical Installation
2.3 Electrical Installation
If the RS232C/RS485 communication module is no longersupplied with voltage due to a fault, the bus system willcontinue operation.The connected inverter can however no longer be accessedfrom the host.
The polarity of the voltage supply must not be reversed,otherwise, the communication module will be destroyed!
Voltage supply:
• external 24 V (15 to 30 V) via plug–in connectors 39 (–)/59 (+)or
• internal via the inverter (connection by plugging it on).
Inverters with an extended AIF interface port (front of VF–C inverter) can have aninternal power supply. The greyed area in the diagram below shows the corres–ponding jumper position.
By default, external power supply is set. For internal power supply, you need toposistion the jumper as indicated below.
Tip
Default setting(Only external power supply possible)
Internal power supply
Figure 4: Jumper positions for external and internal power supply
!
RS232C/RS485 Communication Module Installation
2 – 7Matsushita Electric Works (Europe) AG
2.4 Wiring to a Host
2.4 Wiring to a Host
This chapter informs about networking the communication module using the bussystems RS232C (LECOM–A) or RS485 (LECOM–B). The required accessories aredescribed in appendix A.1.
Warning!
� An additional electrical isolation is required if
– an inverter is connected to a host and
– a safe electrical isolation (double basicinsulation) according to VDE is required.
� Depending on the field bus used, observe thefollowing:
– RS232C: The electrical isolation of the RS232Cinterface (LECOM–A) can be achieved by twolevel converters (e.g. NAiS C–Net Adapter) oranother RS232C electrical isolation.
– RS485: With RS485 (LECOM–B), the NAiS C–Netlevel converter should be installed to thehost if it is not equipped with anappropriately isolated interface.
� For wiring, the electrical isolation of the supplyvoltage must be taken into account.
!
RS232C/RS485 Communication ModuleInstallation
2 – 8
Matsushita Electric Works (Europe) AG
2.4 Wiring to a Host
2.4.1 Wiring via RS232C (LECOM–A)
The following figure shows schematically the connection to a host (here: PC) viaRS232C (LECOM–A).
PC cable
BFVC 9503
Figure 5: Wiring for RS232C (LECOM–A)
Wiring features for RS232C (LECOM–A):
Communication media RS232C
Network topology Point–to–point
Possible number of inverters 1
Maximum cable length 15 mMaximum baud rate 19200 bit/s
Notes
• We recommend the use of Matsushita PC and PLC cables forwiring (� appendix A.1).
• Use metallic SubD connector shells.
• Connect both ends of the screen to the connector shells.
RS232C/RS485 Communication Module Installation
2 – 9Matsushita Electric Works (Europe) AG
2.4 Wiring to a Host
Wiring the PC cable
Pin No.
1 –
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 T/R(A)
8 T/R(B)
9 Vcc5
Shield
Pin No.
1 CD
2 RD
3 SD
4 ER
5 SG
6 DR
7 RS
8 CS
9 RI
Shield
BFVC 9503RS232C connectorSubD 9–pin male
PC–ATSubD 9–pin female
+
Standard adapter9 to 25 pin
Wiring the PLC cable
Pin No. Pin No.
1 FG
2 SD
3 RD
4 RS
5 CS
6 –
7 SG
8 –
9 ER
Shield
BFVC 9503RS232C connectorSubD 9–pin male
Matsushita PLC RS232C COM–PortFP1/M/2/10SH, SDU FP2/3/CSubD 9–pin male
1 –
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 T/R(A)
8 T/R(B)
9 Vcc5
Shield
RS232C/RS485 Communication ModuleInstallation
2 – 10
Matsushita Electric Works (Europe) AG
2.4 Wiring to a Host
2.4.2 Wiring via RS485 (LECOM–B)
The following figure shows schematically the connection to a host (PC or PLC) viaRS485 (LECOM–B).
1 1 1
2a
PC
NAiS C–Netadapter
FP2PLC
2b
Figure 6: Wiring for RS485 (LECOM–B)� Interface cable RS485� Optional host connection
a) PLC connection RS232Cb) PC connection RS232C
We recommend the use of appropriate accessories (� ap-pendix A.2).
Only use screened cables twisted in pairs for wiring RS485interface cables.
Tip
Wiring features for RS485 (LECOM–B):
Communication media RS485 (2 wires)
Network topology Line
Possible number of inverters 31
Maximum cable length 1200 m
Maximum baud rate 19200 bit/s
RS232C/RS485 Communication Module Installation
2 – 11Matsushita Electric Works (Europe) AG
2.4 Wiring to a Host
Connection between two inverters:
• Connect the cable screen to terminal 89 (direct PE) of onecommunication module and to terminal 88 (capacitive PE) of theother communication module (� Fig. 7). This method preventscurrents flowing through the cable screens.
• Connect the terminals 71 and 72 between the communicationmodules via paired cables (e. g. green and yellow).
Connection to the C–Net adapter:
• Connect the cable screen to terminal 89 (direct PE) of the lastinverter and to FG of the C–Net adapter (� Fig. 7). This methodprevents current flows through the cable screens.
71 72 88 89 71 72 88 89
C–Net adapter
Inverter 1 Inverter 2
BFVC9503
BFVC9503
RxD
TxD
FG
Figure 7: Connection between two inverters and to the C–Net adapter
RS232C/RS485 Communication ModuleInstallation
2 – 12
Matsushita Electric Works (Europe) AG
2.4 Wiring to a Host
Chapter 3
Commissioning
3.1 Before Switching On 3 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RS232C/RS485 Communication ModuleCommissioning
3 – 2
Matsushita Electric Works (Europe) AG
RS232C/RS485 Communication Module Commissioning
3 – 3Matsushita Electric Works (Europe) AG
3.1 Before Switching On
3.1 Before Switching On
Check the wiring for completeness, short circuit and earthfault before the inverter is connected to the mains.
Procedure: Observe the following switch–on sequence:
1. Switch on the inverter and – if required – the externalsupply of the communication module.The operating status display for the inverter (� figure 3 on page 2 – 3, Pos. �) must be on or blinking.
The green LED (� figure 3 on page 2 – 3, pos. �) must be on. If thisis not the case, � chapter 5.
2. The transmission speed or LECOM baud rate (C0125) isfactory set to 9600 baud. If a different value is required,adjust it via the operating unit.
3. Set the LECOM unit address (C0009) via the operatingunit or via the host (factory setting: 1).If several inverters are interconnected in a network, it must bepossible for the host to address each inverter uniquely. Every invertermust therefore have a different LECOM inverter address (C0009). Thevalues 00, 10, 20, 30, ..., 90 must not be set since they are reservedfor group addressing.
The code numbers C0009 (LECOM inverter address) and C0125(LECOM baud rate) can also be input via LECOM. Please observethat the parameters for the host must be adapted. If C0125 ischanged, the host will not recognize the response because theinverter has already transmitted it using the new baud rate.
Tip
� next page
!
RS232C/RS485 Communication ModuleCommissioning
3 – 4
Matsushita Electric Works (Europe) AG
3.1 Before Switching On
Next steps:1. It is now possible to communicate with every inverter,
i. e. all code numbers can be read and all writeablecodes, except C046 (frequency setpoint) and C0135(control word) can also be changed.If codes C0046 and C0135 are to be changed as well, setC0003=3.
2. If the inverter is switched on while the operating modeC0001 = 3 is active and the speed setpoint is set to 0,QSP (quick stop) is active. Thus, the drive cannot start inan uncontrolled way. The QSP function can bedeactivated by setting bit 3 from C0135 to 0.
Chapter 4
Parameter Setting
4.1 Overview 4 – 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.2 Parameter Sets 4 – 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.3 Meaning of Individual Parameters 4 – 5. . . . . . . . . . . . . . . .
4.3.1 Operating Mode 4 – 5. . . . . . . . . . . . . . . . . . . . . . . .
4.3.2 LECOM Unit Address (C0009) 4 – 5. . . . . . . . . . .
4.4 Special Features 4 – 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4.1 Start with Inv. Inhibit Instead of QSP 4 – 7. . . . . .
4.4.2 Reduction of the Response Time ofthe Interface 4 – 7. . . . . . . . . . . . . . . . . . . . . . . . . . .
4.4.3 Communication Monitoring 4 – 8. . . . . . . . . . . . . .
4.4.4 Relative Setpoint Selection C0141 (Parameter Channel) 4 – 8. . . . . . . . . . . . . . . . . . .
RS232C/RS485 Communication ModuleParameter Setting
4 – 2
Matsushita Electric Works (Europe) AG
RS232C/RS485 Communication Module Parameter Setting
4 – 3Matsushita Electric Works (Europe) AG
4.1 Overview
4.1 Overview
The parameter setting for the communication module comprises:
• Inverter parameters which can also be set with the BFVC 904Ckeypad.
• Communication parameters, which can only be accessed via thecommunication module.
Only the inverter parameters are permanently saved in the corresponding inverter.
In the following and in the code table (� appendix B), only the parameters importantfor serial communication are listed. For further information about the parameter settingsee the Manual or the Operating Instructions of the inverters.
RS232C/RS485 Communication ModuleParameter Setting
4 – 4
Matsushita Electric Works (Europe) AG
4.2 Parameter Sets
4.2 Parameter Sets
The VF–C inverter is equipped with 4 addressable parameter sets. They are addressedby means of a code–digit offset:
• Offset 0 addresses parameter set 1 with the codes C0000 toC1999.
• Offset 2000 addresses parameter set 2 with the codes C2000 toC3999.
• Offset 4000 addresses parameter set 1 with the codes C4000 toC5999.
• Offset 6000 addresses parameter set 2 with the codes C6000 toC7999.
If a parameter is only available once (see VF–CE Operating Instructions), use thecode–digit offset 0.
� Example:
C011 = maximum field frequencyC011 in parameter set 1: code number = 11C011 in parameter set 2: code number = 2011C011 in parameter set 3; code number = 4011C011 in parameter set 4; code number = 6011
Changes of the parameters are automatically saved in the inverter (see VF–CEOperating Instructions). Process data, for instance control words or setpoints, areexcluded.
RS232C/RS485 Communication Module Parameter Setting
4 – 5Matsushita Electric Works (Europe) AG
4.3 Meaning of Individual Parameters
4.3 Meaning of Individual Parameters
4.3.1 Operating Mode
Code C0001 (operating mode) determines the source (terminal, keypad, LECOM)which writes the frequency setpoint (C0046) and the control word (C0135).
Independently of the selected operating mode C0001, the inverter can be inhibitedunder C0040 via LECOM.
Please note that the operating mode C0001 is available in bothparameter sets. Thus, C0001 must be set identically in both para-meter sets. LECOM control (C0001 = 3) is subject to the operating mode inparameter set1. Terminal control (C0001 <> 3) is subject to theoperating mode in parameters set 1 and parameter set 2.
Tip
4.3.2 LECOM Unit Address (C0009)
The LECOM–A/B protocol uses the LECOM unit address to address the inverter. TheLECOM unit address is set under code C0009 at the inverter. The address must onlybe used once. Thus, each inverter must get its own LECOM unit address. Do not setthe values 00, 10, 20, 30, ..., 90 because they are reserved for group addressing.
The LECOM–A/B protocol enables inverter groups. This allows a write request to beissued to several drives at the same time, e.g. to select new setpoints or enable or inhibitthe inverter. They are selected through the following reserved LECOM unit address:
LECOM unit addressC0009 for group drives
LECOM unit addresses of the addressed inverters
00 all10 11 to 19
20 21 to 29
30 31 to 3940 41 to 49
50 51 to 59
60 61 to 69
70 71 to 7980 81 to 89
90 91 to 99
� next page
RS232C/RS485 Communication ModuleParameter Setting
4 – 6
Matsushita Electric Works (Europe) AG
4.3 Meaning of Individual Parameters
Please note that with LECOM inverter addresseswhich end with a 0, the inverter does not return anacknowledgement, i.e. the host does not recognizewhether the inverter received the data correctly ornot.
Tip
RS232C/RS485 Communication Module Parameter Setting
4 – 7Matsushita Electric Works (Europe) AG
4.4 Special Features
4.4 Special Features
4.4.1 Start with Inv. Inhibit Instead of QSP
• After mains connection with the operating mode C0001 = 3, thedrive is in the status QSP.
• With C1920 = 1 the switch–on status is always Inv. inhibit, so thatthe drive can be enabled by writing C0040 = 1.
Code Name Note
C1920 Start status
(communication mo-
dule)
0 QSP 1 Inverter inhibit
LECOM format: VD
4.4.2 Reduction of the Response Time of the Interface
• With active reduced response time, write messages (send) are onlychecked for transmission errors:
– If the message is fault–free, a positive acknowledgement(ACK) is sent, otherwise it is a negative acknowledgement(NAK).
– Only then the value to be written is transmitted to theinverter.
• The module can be re–addressed approximately after 50 ms.
The acceptance of the value by the inverter cannot beguaranteed.
Code Name Note
C1921 Shortened response time
(communication module)
0 Not active 1 active
LECOM format: VD
!
RS232C/RS485 Communication ModuleParameter Setting
4 – 8
Matsushita Electric Works (Europe) AG
4.4 Special Features
4.4.3 Communication Monitoring
• The communication module can monitor the communicationconnection to the host.
• If the host does not send a message to the communication modulewithin the monitoring time set under C1923, the action set underC1922 will be carried out.
Code Name Note
C1922 Monitoring selectioncode
(communication module)
0 Not active 1 Inverter inhibit2 QSP (quick stop)
LECOM format: VD
C1923 Monitoring time
(communication module)
50 to 65535 ms
LECOM format: VD
4.4.4 Relative Setpoint Selection C0141 (Parameter Channel)
• Enter a relative setpoint which refers to C0011 under C0141.
• Independently of the currently set parameter, C0011 of parameterset 1 is always taken as reference value.
• The automatic adaptation of the relative setpoint in the event of aC0011 change is not considered because C0011 can only bechanged when the inverter is inhibited.
Code Name Note
C0141 Frequency setpoint
(communication module)
0 to 100 %
LECOM format: VD
�Note
The digital and analog input and output signals are freelyconfigurable (� VF–CE Operating Instructions; codes C0410,C0412, C0417 and C0421).
Chapter 5
Troubleshooting and Fault Elimination
5.1 Troubleshooting and Fault Elimination 5 – 3. . . . . . . . . . . . .
RS232C/RS485 Communication ModuleTroubleshooting and Fault Elimination
5 – 2
Matsushita Electric Works (Europe) AG
RS232C/RS485 Communication Module Troubleshooting and Fault Elimination
5 – 3Matsushita Electric Works (Europe) AG
5.1 Troubleshooting and Fault Elimination
5.1 Troubleshooting and Fault Elimination
LED yellow (TxD)LED green (Vcc)
LED yellow (RxD)
Operating status display of the inverter
Figure 8: LEDs on the communication module (� figure 3, page 2 – 3)
Fault Cause RemedyCommunica-tion with theinverter failed
Inverter is switched off.Display:� none of the operating–state displays is lit–upand/or� green Vcc–LED is blinking
Supply inverter with voltage (� VF–CE Operating Instructions)
The communication module is not supplied withvoltageDisplay: green Vcc–LED is not flashing or blinking.
� With internal supply from the inverter, checkthe connection to the inverter.
� With external supply, check the voltage atterminals 39 and 59. A voltage between 15 and30 V must be applied (�section 2.3 )
The communication module has not been initiali-zed with the inverterDisplay: green Vcc–LED is blinking.
� Supply inverter with voltage (� VF–CEOperating Instructions)
� Check the connection to the inverter.
The inverter does not receive messages.For a test, let the host send messages cyclically.The yellow RxD–LED must blink when the hostsends a message.
If the yellow RxD–LED does not blink:� Check the wiring (� section 2.4)and� Test whether the host sends messages and
uses the appropriate interface.
The inverter does not send messages.For a test, let the host send message cyclically.The yellow TxD–LED must blink when the hostsends a message to the inverter.
1.Yellow TxD–LED is not blinking:Parameter for LECOM unit address (C0009) andLECOM baud rate (C0125) must be the same atthe inverter and the host. Check the parametersC0009 and C0125 at both units and set them tothe same value if necessary.(Inverter–addressparameters 00, 10, …, 90 must not be used.)
2.Yellow TxD–LED is blinking:� The LECOM unit addresses (C0009) must be
different at all connected inverters. Correctpossibly occuring double addressing.
� Check the wiring to your host.� With self–developed LECOM–A/B software
drivers and RS485 operation, observe thetransmission control. After transmitting signals,the host must return to receive mode afterapprox. 1 ms.
� next page
RS232C/RS485 Communication ModuleTroubleshooting and Fault Elimination
5 – 4
Matsushita Electric Works (Europe) AG
5.1 Troubleshooting and Fault Elimination
Fault Cause RemedyInverter doesnot execute
1.Inverter sends negative acknowledgement (NAK response):
� Set parameter 3 for operating mode C0001.� In general, write command not possible.
write com-mand
� The operating mode C0001 is set incorrectlyfor write access to codes C0046 and C0135.
� The code is defined so that it can only be read.2.Inverter sends positive acknowledgement
(ACK response):� Inverter works with a different parameter set
� Activate inverter inhibit� Change parameter set, the parameter change
will become active now.
Appendix A
Accessories
A.1 Accessoires for RS232C (LECOM–A) A – 3. . . . . . . . . . . . . .
A.2 Accessories for RS485 (LECOM–B) A – 4. . . . . . . . . . . . . . .
RS232C/RS485 Communication ModuleAccessories
A – 2
Matsushita Electric Works (Europe) AG
RS232C/RS485 Communication Module Accessories
A – 3Matsushita Electric Works (Europe) AG
A.1 Accessoires for RS232C (LECOM–A)
A.1 Accessoires for RS232C (LECOM–A)
In the following you will find accessory components for RS232C (LECOM–A):
Bezeichnung Order no. ExplanationPC cable BFVC9503PCAT between communication module and PC
(9pole socket, with 9–25 pin adpater)
PLC cable BFVC9503PLC between communication module and PLC (9pole plug)
Specification for RS232C interface cablesCable type LIYCY 4 x 0.25 mm2 shielded
Cable resistance � 100 �/km
Capacitance per unit length � 140 nF/km
Length � 15 m
RS232C/RS485 Communication ModuleAccessories
A – 4
Matsushita Electric Works (Europe) AG
A.2 Accessories for RS485 (LECOM–B)
A.2 Accessories for RS485 (LECOM–B)
In the following you will find accessory components for RS485 (LECOM–B):
Name Order no. ExplanationC–Net adapter AFP8536CE Level converter between RS232C/RS422 and RS485 with electrical
isolation; power supply 230 V AC, e. g. for PC–AT
C–Net adapterS1 type
AFP15401CE Level converter between RS232C and RS485 with electrical isolation, forMatsushita FP1 and FP3 PLCs; power supply 5 V DC over RS422 cablefrom PLC
C–Net adapterS2 type
AFP15402CE Level converter between RS232 and RS485 with electrical isolation, forMatsushita FP0, FP–M, FPC, and FP2 PLCs; power supply 5 V DC overRS232C cable from PLC
Specification for RS485–interface cable
with a length of up to 300 m:
Cable type LIYCY 1 x 2 x 0.5 mm2 shielded
Cable resistance � 40 �/km
Capacitance per unit length � 130 nF/km
Length � 300 m
with a length of up to 1200 m:
Cable type CYPIMF 1 x 2 x 0.5 mm2 shielded
Cable resistance � 40 �/km
Capacitance per unit length � 60 nF/km
Length � 1200 m
Appendix B
Code Table
RS232C/RS485 Communication ModuleCode Table
B – 2
Matsushita Electric Works (Europe) AG
RS232C/RS485 Communication Module Code Table
B – 3Matsushita Electric Works (Europe) AG
B.1 Code Table
B.1 Code Table
How to read the code table:
Code Code number of the parameter.Leading zeros may be omitted. Code numbers marked with * are only in parameter set 1.
Name Parameter name. Brackets indicate whether the code is available in the communication module or the inverter.
Communicationmodule: Parameters in the RS232C/RS485 communication module BFVC 9503VF–C: Parameters in the BFVCX0xxxA VF–CE inverter
The parameters can also be set using the BFVC 904C keypad.
Para–meters
Contents or meaning of the parameter values.Parameters printed in bold are factory settings.
Code Name NoteC0001 Operating mode
for VF–CE� Operating Instructions VF–CE
C0009* LECOM inverteraddress
1 1 to 99
Inverter address for unique address in a LECOM–A/B network.Do not set the values 00, 10, ..., 90, since they are reserved for group addressing.
LECOM format: VD
C0040* Inverter inhibit
(Communication
module)
0 Inverter inhibited1 Inverter enabled
Parameter C0040 is independent of the operating mode C0001.The inverter can also be enabled with the control word C0135.
LECOM format: VD
C0043* TRIP reset forVF–CE
(Communication
module)
0 No current fault; reset the fault by writing value 01 Current fault
Parameter C0043 is independent of the operating mode C0001.TRIP can also be resetwith the control word C0135.
LECOM format: VD
C0046* Frequencysetpoint forVF–CE
(Communication
module)
0 to 480 Hz
The value can be changed by the display factor C500/C501.
LECOM format: VD
C0046* Frequencysetpoint forVF–CE
0 to 480 Hz
The value can be changed by the display factor C500/C501.
LECOM format: VD
RS232C/RS485 Communication ModuleCode Table
B – 4
Matsushita Electric Works (Europe) AG
B.1 Code Table
Code Name NoteC0068* Operating status
for VF–CE
(Communication
module)
Bit Meaning
0 to 3 Operating fault (TRIP) The 10th digit of the LECOM fault number (see C0161 to C0164) is displayed.Example: TRIP OH = 5 (LECOM no. = 50)
4 to 7 Last communication error0 = No error1 = Check sum error 2 = Protocol frame error3 = Reserved 4 = Invalid code number5 = Invalid variable6 = Unauthorised access7 = Message processing interrupted by
a new message15 = General fault
8 Inv. enable0 = No inv. enable1 = Inv. enable
9 FREE; display of C0150 Bit 5Factory setting: Qmin (fd � fdQmin)
0 = Qmin not active1 = Qmin active
10 Reserved11 FREE; display of C0150 Bit 1
Factory setting: IMP (pulse inhibit)0 = Pulses to power stages inhibited1 = Pulses to power stages enabled
12 Reserved13 FREE; display of C0150 Bit 2
Factory setting: Imax (current limit reached)0 = Current limit not reached1 = Current limit reached
14 FREE; display of C0150 Bit 4RFG on = RFG off(Ramp–function generator input = ramp–function generator output)
0 = RFG on <> RFG off1 = RFG on � RFG off
15 TRIP (fault) 0 = No fault 1 = Fault occured
LECOM format: VH
C0125* LECOM baud rate 0 9600 baud (Factory setting)1 4800 baud 2 2400 baud 3 1200 baud 4 19200 baud
Transmission rate for LECOM–A/B in bit/s (= baud).
LECOM format: VD
C0127 Frequencysetpoint selectionformat
(Communication
module)
0 Absolute setpoint selection1 Normalized setpoint selection
LECOM format: VD
RS232C/RS485 Communication Module Code Table
B – 5Matsushita Electric Works (Europe) AG
B.1 Code Table
Code Name NoteC0135* Control word for
VF–CE
(Communication
module)
Bit Meaning
0, 1 JOG1, JOG2, JOG3 (C0046)0 = C0046 active 1 = JOG1 (C0037) active 2 = JOG2 (C0038) active 3 = JOG3 (C0039) active
2 CW/CCW (CW rotation/CCW rotation)0 = CW rotation1 = CCW rotation
3 QSP (quick stop) 0 = QSP not active1 = QSP active
4 RFG stop (stop of the ramp–function generator)0 = RFG stop not active1 = RFG stop active
5 RFG zero (deceleration along the Tif ramp C0013) 0 = RFG zero not active1 = RFG zero active
6 UP function for motor potentiometer 0 = UP not active
1 = UP active7 DOWN function for motor potentiometer
0 = DOWN not active1 = UP active
8 Reserved 9 Inv. inhibit (inverter inhibit)
0 = No inverter inhibit1 = Inverter inhibit
10 Reserved 11 TRIP reset
0⇒1Signal from 0 to 1 resets TRIP
12 PAR (parameter–set changeover)0�1 = parameter set 2 1�0 = parameter set 1
13 Reserved 14 DC brake (DC injection brake)
0 = DC brake not active 1 = DC brake active
15 Reserved
The control word is used for inverter control. It includes the control commands in acompressed bit format.
LECOM format: VH
C0141 Setpoint Signal configuration Signal Meaningaccording toselected
1xx1 NSET–N Speed setpoint in % of nmax(Speed control)
configuration4xx1 MCTRL–M–ADD Torque setpoint in %(Torque control)
5xx1 NSET–N Speed setpoint in % of nmax(Master frequency)
6xx1 NSET–N Speed setpoint in % of nmax(Master frequency – slave bus)
7xx1 NSET–N Speed setpoint in % of nmax(Master frequency – slave cascade)
RS232C/RS485 Communication ModuleCode Table
B – 6
Matsushita Electric Works (Europe) AG
B.1 Code Table
Code Name NoteC0150* Status word for
VF–CE
(Communication
module)
Free configuration with C0417 (� Operating Instructions VF–CE)
Bit Meaning
0 FREE 0: = freely combinable1 IMP (pulse inhibit)
0 = Pulses to power stages enabled1 = Pulses to power stages inhibited
2 FREE2: = freely combinable3 FREE 3: = freely combinable4 FREE 4: = freely combinable5 FREE 5: = freely combinable6 fd = 0 (act. frequency = 0)
0 = fd <> 0 1 = fd = 0
7 Inv. inhibit (inverter inhibit)0 = No inverter inhibit1 = Inverter inhibit
8–11 Unit status0 = Unit initialisation1 = Switch–on inhibit3 = Operation inhibited (inverter inhibit)6 = Operation enabled7 = Message active8 = Active fault 9 = Power off
12 Warning 0 = No warning1 = Warning
13 Message 0 = No message1 = Message
14 FREE 14: = freely combinable15 FREE 15: = freely combinable
The status word contains the most important status information in compressed form.
LECOM format: VH
RS232C/RS485 Communication Module Code Table
B – 7Matsushita Electric Works (Europe) AG
B.1 Code Table
Code Name NoteC0249* LECOM code
bank
(Communication
module)
Code bank Code number
0 0 to 255 (Factory setting)1 250 to 505 2 500 to 755 3 750 to 1005 4 1000 to 1255 5 1250 to 1505 6 1500 to 1755 7 1750 to 2005 8 2000 to 2255 9 2250 to 2505 10 2500 to 2755 11 2750 to 3005 12 3000 to 3255 13 3250 to 3505 14 3500 to 3755 15 3750 to 4005
The LECOM code bank ensures the compatibility with the master–system driversaccording to the LECOM–A/B specification V1.0. The maximum code number is 255.With the code bank, an offset of 250 is added to the code number.
The code bank addressing is not effective with extended code addressing(LECOM–A/B specification).
The parameter value is always set to 0 when switching on.
LECOM format: VD
C1810* SW labelling
(Communication
module)
33S2102I_xy000
Software labelling of the RS232C/RS485 communication modulex = main SW version y = SW subversion
LECOM format: VS
C1811* SW generation
(Communication
module)
Software generation of the RS232C/RS485 communication module
LECOM format: VS
C1920 Start status
(Communication
module)
0 QSP 1 Inverter inhibit
LECOM format: VD
C1922 Monitoringselection code
(Communication
module)
0 Not active 1 Inverter inhibit2 QSP (quick stop)
LECOM format: VD
C1921 Shortenedresponse time
(Communication
module)
0 Not active 1 active
LECOM format: VD
C1923 Monitoring time
(Communication
module)
50 to 65535ms
LECOM format: VD
C1962 Extended codeNo.
� fault table, page B – 8
RS232C/RS485 Communication ModuleCode Table
B – 8
Matsushita Electric Works (Europe) AG
B.1 Code Table
The following list indicates the fault numbers which can be read under C1962:
Faultno.
Meaning Classification
0 No error
1 Invalid service designation Internal fault
2 Invalid call recognition Internal fault
3 Invalid data type Application error in the host
4 Invalid subcode number Application error in the host
5 Invalid code number Application error in the host
6 Invalid general parameter Application error in the host
7 Access error: operating status, e.g. inverterinhibit
Access error
8 Access error: because operating mode C0001 Access error
9 Access error: parameter only readable Access error
10 Access error: general Access error
11 Data block too long Limit value exceeded
12 Collision with other parameter values Limit value exceeded
13 Leave value range Limit value exceeded
14 General limit value exceeding Limit value exceeded
17 General internal fault Internal fault
32 General Communication fault communication module inverter
33 Time limit exceeded Communication fault communication module inverter
34 Frame error Communication fault communication module inverter
35 Parity error Communication fault communication module inverter
36 Overflow Communication fault communication module inverter
37 Handshake Communication fault communication module inverter
38 Block memory overflow Communication fault communication module inverter
208 Frame error Communication fault inverter communication module
209 Overflow error Communication fault inverter communication module
210 Check–sum fault in the BFVC 9503communication module detected
Communication fault inverter communication module
211 Message interruption Communication fault inverter communication module
212 Invalid data Communication fault inverter communication module
213 Invalid service Communication fault inverter communication module
214 Parity error Communication fault inverter communication module
Appendix C
LECOM–A/B Protocol
RS232C/RS485 Communication ModuleLECOM–A/B Protocol
C – 2
Matsushita Electric Works (Europe) AG
RS232C/RS485 Communication Module LECOM–A/B Protocol
C – 3Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
C.1 LECOM–A/B Protocol
The LECOM–A/B protocol is used to exchange data between NAiS inverters and a host.The LECOM–A/B protocol is based on DIN 66019, ISO 1745 and ANSI X3.28 (category2.5 and A2, A4). These standards are similar to each other and describe the controlmode of a transmission section of a transmission system.
The host, which is the master, can communicate with a NAiS VF–CE frequency inverter(slave) in three modes:
• RECEIVE (� C – 10)
• SEND (� C – 12)
• BROADCAST/MULTICAST (� C – 13)
C.1.1 General
The units communicate by means of the ASCII code:
0 1 2 3 4 5 6 7 8 9 O 6.5 C D E F0 NUL SOH STX ETX EOT ENQ ACK BEL BS HT LF VT jFF CR SO SI
1 DLE DC1 DC2 DC3 DC4 NAK SYN ETB CAN EM SUB ESC FS GS RS US
2 ‘ ’ ‘!’ ‘”’ ‘#’ ‘$’ ‘%’ ‘&’ ‘’’ ‘(’ ‘)’ ‘*’ ‘+’ ‘,’ ‘–’ ‘.’ ‘/’
3 ‘0’ ‘1’ ‘2’ ‘3’ ‘4’ ‘5’ ‘6’ ‘7’ ‘8’ ‘9’ ‘:’ ‘;’ ‘<’ ‘=’ ‘>’ ‘?’
4 ‘@’ ‘A’ ‘B’ ‘C’ ‘D’ ‘E’ ‘F’ ‘G’ ‘H’ ‘I’ ‘J’ ‘K’ ‘L’ ‘M’ ‘N’ ‘O’
5 ‘P’ ‘Q’ ‘R’ ‘S’ ‘T’ ‘U’ ‘V’ ‘W’ ‘X’ ‘Y’ ‘Z’ ‘[’ ‘\’ ‘]’ ‘^’ ‘_’
6 ‘‘’ ‘a’ ‘b’ ‘c’ ‘d’ ‘e’ ‘f’ ‘g’ ‘h’ ‘i’ ‘j’ ‘k’ ‘l’ ‘m’ ‘n’ ‘o’
7 ‘p’ ‘q’ ‘r’ ‘s’ ‘t’ ‘u’ ‘v’ ‘w’ ‘x’ ‘y’ ‘z’ ‘{’ ‘|’ ‘}’ ‘~’
� Example: “EOT” character = 02hex = 2dec
“1” character = 31hex = 49dec
Code number (C1, C2)
Standard addressing
The meaning of the code numbers and the assigned parameters can be obtained fromthe code table (see appendix B). When transmitting data, the code number is coded asfollows:
The following calculation determines the two ASCII digits (value range: 48dec … 127dec)from the code number (value range: 0 … 6229):
C1 = INTEGER((REMAINDER(code number/790))/10)+48dec
� next page
RS232C/RS485 Communication ModuleLECOM–A/B Protocol
C – 4
Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
C2 = REMAINDER(REMAINDER(code number/790)/10) +INTEGER(code number/790) x 10 + 48dec
The INTEGER is the digit before the comma, the REMAINDER is an integer.
� Example 1: 1/5 = 2 remainder 3
INTEGER(13/5) = 2 REMAINDER(13/5) = 3
� Example 2: Convert code number 1002 in ASCII code C1 and C2:
C1 ASCII = INTEGER((REMAINDER(1002/790))/10) + 48 = INTEGER(212/10) + 48 = 21 + 48 = 69 = 45hex = “E”ASCII
C2 ASCII = REMAINDER(REMAINDER(1002/790)/10) +INTEGER(1002/790) x 10 + 48 = REMAINDER(212/10) + 1 x 10 + 48 = 2 + 10 + 48 = 60 = 3Chex = “<”ASCII
The code number C1002 is converted into the ASCII string “E<”, if it is transmitted to theinverter by a host.
Addressing via code bank
With previous LECOM–A/B drivers, only code numbers in the range from 0 to 255 couldhave been addressed, since these drivers used only one byte as code number. Toachieve the addressing of the wider code–number range with these drivers, use codebanking. The code–number range 0 … 255 is displayed as a window over the wholecode–number range. This is controlled via the code C0249 (code bank). Code C0249can always be accessed via number 249, no matter which code bank has currently beenset.
The following assignments exist:
Code bank Code offset Code–number range0 0 0 … 255
1 250 250 … 505
2 500 500 … 755
3 750 750 … 1005
4 1000 1000 … 1255
5 1250 1250 … 1505
6 1500 1500 … 1755
7 1750 1750 … 2005
RS232C/RS485 Communication Module LECOM–A/B Protocol
C – 5Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
�Note
Codebanking is only active when the standard addressing isbeing used. If the selected code numbers are higher than 255,the code–number range increases correspondingly. Only thecorresponding code–number offset is selected by means ofthe code bank.
� Example:
Set the codebank INTEGER (1002/250) = 4 in C0249 to addressthe code number 1002. C1002 is then accessed via the codenumber C02.
Addressing via input selection
Simple LECOM–A/B drivers, which only use the standard addressing, cannot addresssubcodes. The input selection C0248 has been developed to offer the possibility ofaddressing the subcodes. When using the standard addressing, the value entered inC0248 is always considered as subcode. The code C0248 can always be accessed vianumber 248, no matter which code bank has currently been set.
� Example:
Enter value 1 in C0248 to address the JOG value 1 in C0039subcode 1. Now subelement 1 is always addressed whenaccessing C39.
After a subelement has been accessed through C0248,C0248 should be reset to 0 to avoid accidentally addressinga subelement when accessing a code.
Tip
Extended addressing
Another possibility is the direct addressing of parameters by means of extendedaddressing.
! CH1 CH2 CH3 CH4 SC1 SC2
� next page
RS232C/RS485 Communication ModuleLECOM–A/B Protocol
C – 6
Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
The abbreviations have the following meanings:
! The ASCII character “!” = 21hex = 33dec shows that the expandedaddressing is used.
CH1 to CH4 Code number in hexadecimal code: each character correspondsto a nibble of the code numbers (CH1 is the highest, CH4 is thelowest nibble).
SC1, SC2 Subcode number in hexadecimal code: Each character corres–ponds to a nibble of the code number word (SC1 is the highestand SC2 the lowest nibble).
The following characters can be displayed in the ASCII code:
ASCII 0 1 2 3 4 5 6 7 8 9 O 6.5 C D I F
dec 48 49 50 51 52 53 54 55 56 57 65 66 67 68 69 70
hex 30 31 32 33 34 35 36 37 38 39 41 42 43 44 45 46
A code number range from 0 to 65535 can be addressed by means of these characters.A maximum of 255 subelements (field elements) can be accessed via one subcodenumber of each code.
� Example: 1002 = “!03EA00”
Parameter value (V1 to Vn)
Parameter values can be transmitted in four different formats with the followingstructures:
• ASCII decimal format (VD)
– VK1 VK2 VK3 VK4 VK5 VK6 . NK1 NK2 NK3 NK4
• ASCII hexadecimal format (VH)
H VH1 VH2 VH3 VH4 VH5 VH6 VH7 VH8
• String format (VS)
S VS1 VS2 VS3 VS4 VS5 VS6 ... VS240
• Octet string format for data blocks (VO)
O VO1 VO2 VO3 VO4 VO5 VO6 ... VO240
RS232C/RS485 Communication Module LECOM–A/B Protocol
C – 7Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
The abbreviations have the following meanings:
VK1 to VK6 Integers; decimal point (if required)
NK1 to NK4 Decimal codes (if required)
“H” (48hex) Character [H], transfer of parameter values in the ASCII hexadeci-mal format
VH1 to VH8 1 to 8 hexadecimal characters each [0 to 9; A to F]
“S” (53hex) Character [S], transfer of parameter values in the string format
VS1 to VS240 1 to 12 visible ASCII characters each (no control characters)
“O” (4Fhex) Character [O], transfer of parameter values in the octet stringformat
VO1 to VO240 Data block in hexadecimal code; each character corresponds to anibble of the data block
Parameter value in the ASCII decimal format (VD)
The ASCII decimal format (VD) is most often used. The values consist of the following:
1 leading negative sign(if required) 6 digits before the comma (VK1 to VK6) 1 decimal point (if required) 4 digits after the comma (NK1 to NK4) (if required)
Values from –214748.3648 to 214748.3647 can be displayed.
In the ASCII decimal format (VD), the decimal point mustnot be transmitted if the value does not have digits after thecomma.
Tip
Parameter value in ASCII hexadecimal format (VH)
The LECOM–A/B protocol supports the tranmission of hexadecimal parameter valueswith a length of:
• 2 characters (byte value)
• 4 characters (wort/integer value)
• 8 characters (double word/long integer)
In the ASCII hexadecimal format, VH1 is the highest and VH8 the lowest hexadecimalcharacter.
RS232C/RS485 Communication ModuleLECOM–A/B Protocol
C – 8
Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
Parameter value in the string format (VS)
By means of the string format (VS) of the protocol it is possible to transmit strings withmax. 20 characters in both directions. The NAiS inverter can only send the string parameters (e. g. C200).
Parameter values in the octet string format (VO)
The LECOM–A/B protocol includes the octet string format (VO) with which it is possibleto transfer data blocks.The character sequence correspond to the filing in the memory (ascending order), i. e.the character transmitted first is the data block nibble with the lowest address. The datastructure of the data block corresponds to the Intel–memory format with the followingdifinition:
BYTE: 1. High nibble
2. Low nibble WORD: 1. High BYTE
2. Low BYTE DWORD: 1. High WORD
2. Low WORD
Unit address (AD1, AD2)
One or more bus participants (slaves) can be selected by means of the unit addresswhich is 2 bytes (AD1, AD2) long. The LECOM–A/B protocol supports the broadcastmessages, i.e. a message is sent to a group or all other bus participants. For this, unitaddresses are reserved (see BROADCAST, page 13). A unit address has the followingstructure:
AD1 AD2
The abbreviations have the following meanings:
AD1 ASCII ten–digit code of the slave address (0 … 9; 30 … 39hex)
AD2 ASCII one digit code of the slave address (0 … 9; 30 … 39hex)
RS232C/RS485 Communication Module LECOM–A/B Protocol
C – 9Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
Block–check character (BCC)
The block–check character (BCC) is used to store the transmitted data and is generatedaccording to DIN 66219 (chapter 3).
Because of the program, the block–check character is generated by a XOR link from thefollowing digits of the SEND message:
• it starts with the character directly after the STX control character
• it ends directly after the ETX control character
– BCC can accept the value 00 … FFhex.
EOT AD1 AD2 STX C1 C2 V1 ... Vn ETX BCC
<——————— BCC ———————>
or with expanded addressing:
STX ”!” CH1 CH2 ... SC2 ETX BCC
<—————————— BCC —————————>
Message response
The NAiS inverter must return an acknowledgement to the host. The only exception isthe broadcast message.This message does not require an acknowledgement.
The NAiS inverter sends two types of acknowledgements:
• Positive acknowledgement (ACK = 06hex), if:
– no faults occur during the block storage (longitudinal andlateral parity),
– a valid command (variable address) has been recognized,
– the variable value is within the permissible range,
– the variable value could have been changed.
• negative acknowlegdement (NAK = 15hex), if:
– one of the above listed conditions cannot be met.
• No acknowledgement, if:
– a broadcast message is send,
– the unit address is not correct.
RS232C/RS485 Communication ModuleLECOM–A/B Protocol
C – 10
Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
C.1.2 RECEIVE
The command RECEIVE is to request parameter values of the NAiS inverters. The codenumbers of the requested parameter are transmitted with the RECEIVE message usingthe following structure:
EOT AD1 AD2 C1 C2 ENQ
The abbreviations have the following meanings:
EOT (04hex) End of the (previous) transmission
AD1, AD2 Logic unit address of the slave to be addressed
C1, C2 Code number (two ASCII characters) or extended addressing
ENQ (05hex) Station request
Structure and meaning of the code numbers (C1, C2) and the unit address (AD1, AD2)are described in the corresponding paragraphs of the chapter on SEND (� C – 12).
Message response
The NAiS inverter addressed via a RECEIVE message generates one of the followingresponses:
• The inverter could decode the request and is now sending therequested parameter value to the host.
STX C1 C2 V1 ... Vn ETX BCC
• The inverter could decode the request, however, a check–sum fault(parity fault) occured during transmission.
STX C1 C2 ? ETX BCC
• The inverter could not process the request because the codenumber does not exist.
STX C1 C2 EOT
The abbreviations have the following meanings:
STX (02hex) Start of text
C1, C2 Code number (two ASCII characters) or extendedaddressing
ETX (03hex) End of text
BCC Block–check character (00 ... FFhex)
? (3Fhex) ASCII character “?”
EOT (04hex) End of the (previous) transmission
RS232C/RS485 Communication Module LECOM–A/B Protocol
C – 11Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
Structure and meaning of the block–check character (BCC) are described in thecorresponding paragraph of the chapter on SEND (� C – 9).
Examples for a RECEIVE message
� Example 1:
The current speed setpoint (code number C46) is to be read with the bus address 01 atthe inverter.
The host sends the following message:
EOT 0 1 4 6 ENQ
The inverter can response in three different ways:
STX 4 6 3 5 . 4 ETX BCC
Valid request: The current value of the parameter C46 is 35.4 (Hz)
or
STX 4 6 ? ETX BCC
Invalid request: A check–sum fault (parity fault) occured during data transmission
or
STX 4 6 EOT
Invalid request: The parameter C46 does not exist in this inverter.
� Example 2:
The current operating status (code number C68) is to be read with the bus address 25for the inverter. The operating status is bit–coded and transmitted in the hexadecimalformat.
The host sends the following message:
EOT 2 5 6 8 ENQ
The inverter responds:
STX 6 8 H 0 9 0 0 ETX BCC
Valid request: The current value of the parameter C68 is “0900”. This means:
� next page
RS232C/RS485 Communication ModuleLECOM–A/B Protocol
C – 12
Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
TRIP status not active
Maximumcurrent
not reached
Quick stop not active
Pulse inhibitstatus
free
Display of thedirection ofrotation
CW rotation
Qmin status not active
Inverter enable enabled
Operating fault did not occur
Communicationerror
did not occur
C.1.3 SEND
The command SEND is to transmit data from the master to the slave. The master sendsa message with the following structure:
EOT AD1 AD2 STX C1 C2 V1 ... Vn ETX BCC
The abbreviations have the following meanings:
EOT (04hex) End of the (previous) transmission
AD1, AD2 Logic unit address of the slave to be addressed
STX (02hex) Start of text
C1, C2 Code number (two ASCII characters)
V1 to Vn Parameter value (n ASCII characters)
ETX (03hex) End of text
BCC Block–check character (00 ... FFhex)
In the text section of the message, which is embedded between the control charactersSTX and ETX, the code number (C1, C2) and the corresponding parameter value (V1to Vn) are transmitted to the slave.
� Example: SEND message
The maximum speed (code number C11) is to be set to the value 95.2 Hz via the busaddress 34 at the inverter.
The host must send the following SEND message:
EOT 3 4 STX 1 1 9 5 . 2 ETX BCC
RS232C/RS485 Communication Module LECOM–A/B Protocol
C – 13Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
The inverter can respond with two different acknowledgements:
ACK
The command could not be processed correctly. The current value of the parameter C11is 95.2 Hz
or
NAK
The request could not been processed correctly. The parameter value was not changed.
C.1.4 BROADCAST/MULTICAST
In a bus network, the command BROADCAST is to address all participants or a groupof participants (multicast) at the same time. The structure of the BROADCAST messageis similar to the structure of the SEND message. The only exception is that it does notreturn an acknowledgement.
The participants can be selected via their unit addresses. The following unit addressesare reserved for a BROADCAST message:
Unit addresses Unit address of ASCII character(reserved) groups AD1 AD2
00 all “0” “0”
10 11 to 19 “1” “0”
20 21 to 29 “2” “0”
30 31 to 39 “3” “0”
40 41 to 49 “4” “0”
50 51 to 59 “5” “0”
60 61 to 69 “6” “0”
70 71 to 79 “7” “0”
80 81 to 89 “8” “0”
90 91 to 99 “9” “0”
� Example: BROADCAST message
All inverters are to be stopped when setting inverter enable (code number C40 = 0).
The host sends the following BROADCAST message:
EOT 0 0 STX 4 0 0 ETX BCC
The inverters do not return an acknowledgement.
RS232C/RS485 Communication ModuleLECOM–A/B Protocol
C – 14
Matsushita Electric Works (Europe) AG
C.1 LECOM–A/B Protocol
C.1.5 Monitoring of the Slave Response
The master monitors the selected slave. The slave must return a response within adefined time.Under the following circumstances the slave does not return a response tothe master (time out):
• The unit address could not be recognized
• A fault (e.g. parity fault) had been detected in one or severalcharacters, including the character ”ENQ”
• The transmission path is faulty
• A BROADCAST message had been sent
• The hardware does not work properly
If the master does not receive a response within a defined period of time, thetransmission is tried again. The number of repetitions is limited.
The monitoring time of the master should be approx. twice as long as the maximumrespond time.
C.1.6 Transmission Faults
After a transmission fault, the master can read C0068 and evaluate the communicationerror in bit 4…7 .
Appendix D
List of Abbreviations
RS232C/RS485 Communication ModuleList of Abbreviations
D – 2
Matsushita Electric Works (Europe) AG
RS232C/RS485 Communication Module List of Abbreviations
D – 3Matsushita Electric Works (Europe) AG
D.1 List of Abbreviations
D.1 List of Abbreviations
Abbreviation Meaning
ACK Response for positive acknowledgement of the inverter
ASCII American Standard Code for Information Interchange: 7 bit code with one free parity bit
Inv. inhibit Inverter inhibit
Inv. enable Inverter enable
DC brake DC–injection brake
EMC Electromagnetic compatibility
fdmin; fdmax Minimum/maximum field frequency
Imax Current limit
IMP Pulse inhibit
JOG (JOG1, JOG2,JOG3)
Fixed speed or input for activation of the fixed speed
LECOM VF–CE communication
LECOM–A Communication medium via RS232C interface and LECOM protocol
LECOM–B Communication medium via RS485 interface and LECOM protocol
NAK Response for negative acknowledgement of the inverter
PAR Parameter set changeover
PC Personal computer
PLC Programmable logic inverter, e. g. Matsushita NAiS FP0
Qmin Frequency threshold
QSP Quick stop
RFG Ramp–function generator; setpoint integrator
RS232 Interface standard
RS485 Interface standard
RxD Pin name LED (receive display)
SW Software
TRIP Operation fault
TxD Pin name LED (transmission display)
VD LECOM format
VGmax DC–bus overvoltage
VH LECOM format
VS LECOM format
RS232C/RS485 Communication ModuleList of Abbreviations
D – 4
Matsushita Electric Works (Europe) AG
D.1 List of Abbreviations
Appendix E
Glossary
RS232C/RS485 Communication ModuleGlossary
E – 2
Matsushita Electric Works (Europe) AG
RS232C/RS485 Communication Module Glossary
E – 3Matsushita Electric Works (Europe) AG
E.1 Glossary
E.1 Glossary
Technical term Meaning
Baud rate Transmission speed of data in bit/s
Broadcast Message to all inverters
Code For input and display (access) of parameter values.
Code number Addressing of variables according to the format “code–subcode” (Cxxxx–xx). All variablescan be accessed via the code names.
Fieldbus For data exchange between superimposed controls and positioning controls.
Host PC or PLC
Icon Sign or symbol with an unambiguous message.
Interface converter(C–Net)
Additional module to adapt data transmissions via RS232C/RS422 interface cables toRS485 (and vice versa)
Multicast Message to certain inverter groups
Nibble One byte consists of two nibbles:� LOW nibble (bit 0 to 3)� HIGH nibble (bit 4 to 7)
Protocol LECOM–A/B protocol
Pulse inhibit The output of the power stage is inhibited because the inverter is inhibited, the faultmessage TRIP is displayed or an overvoltage or undervoltage is applied.
Remaining hazards Hazards which cannot be eliminated by design
Subcode Defines the table position of a code
Table position Some variables may consist of more than one value. If this is the case, the values areentered subsequently. They are accessed via the subcode using the same code.
RS232C/RS485 Communication ModuleGlossary
E – 4
Matsushita Electric Works (Europe) AG
E.1 Glossary
I – 1Matsushita Electric Works (Europe) AG
Index
A
Accessoriesfor RS232 (LECOM–A), A – 3for RS485 (LECOM–B), A – 4
Acknowledgement, C – 9Negative, 4 – 4Positive, 4 – 4
AddressingCode bank addressing, C – 4Extended addressing, C – 5Standard addressing, C – 3via input selection, C – 5
Application conditions, 1 – 4
B
Basic insulation, 2 – 7
Baud rate, 1 – 4, 3 – 3
BCC. See Block–check character
Block–check character, C – 9
BROADCAST, C – 13Example, C – 13
C
C–Net adapter, A – 4
Character format, 1 – 4
Code bank, B – 7, C – 4
Code table, B – 3
Commissioning, 3 – 1
Communication media, 1 – 4, 1 – 5
Communication module, Labelling, a
Communication monitoring, 4 – 8
Communication times, 1 – 7
Connection9–pole SubD female plug, 2 – 3Connections of the communication
module, 2 – 3
Plug–in terminal (2–pole), 2 – 4Plug–in terminal (4–pole), 2 – 4
Control word, 4 – 5, B – 5
Current consumption, 1 – 5
D
Dimensions, 1 – 6
Disposal, b
E
Electrical data. See Rated data
Electrical installation, 2 – 6
Electrical isolation, 2 – 7
Extended addressing, C – 5
F
Fault elimination, 4 – 1
Fault numbers, B – 8
Frequency setpoint, 4 – 5, B – 3
G
Glossary, E – 3
Group formation, of inverters, 4 – 5
Index RS232C/RS485 Communication Module
Matsushita Electric Works (Europe) AGI – 2
I
Initial switch–on. See Installation
Input selection, C – 5
Installation, 2 – 1Electrical, 2 – 6Mechanical, 2 – 5Wiring to a host, 2 – 7Wiring via RS232C (LECOM–A), 2 – 8Wiring via RS485 (LECOM–B), 2 – 10
Intended use, a
Interface, Shorten response time, 4 – 7
Inverter, Group drives, 4 – 5
Inverter address, 3 – 3, B – 3
Inverter enable, B – 3
Inverter inhibit, 4 – 5
Items supplied, Preface – 1
L
LECOM, Protocol, C – 3
LECOM baud rate. See Baud rate
LECOM code bank. See Code bank
LECOM inverter address. See Inverteraddress
LECOM–A/B protocol, 4 – 5, C – 3
Liability, b
ListAbbreviations, D – 3Technical terms. See Glossary
List of abbreviations, D – 3
List of technical terms. See Glossary
M
Manufacturer, a
Message response, C – 9
Message time, 1 – 7
Monitoring of the slave response, C – 14
MULTICAST, C – 13
N
Network topologyLine, 2 – 10Point–to–point, 2 – 8
O
Operating mode, 4 – 5, B – 3
Operating status, B – 4
Operator, c
P
Parameter, Name, B – 3
Parameter sets, 4 – 4
Parameter setting, 4 – 1
Parameter value, C – 6in the ASCII decimal format, C – 7in the ASCII hexadecimal format, C –
7in the octet string format, C – 8in the string format, C – 8
ParametersControl word (C0135), 4 – 5Frequency setpoint (C0046), 4 – 5Individual, 4 – 5Inverter inhibit (C040), 4 – 5Operating mode (C0001), 4 – 5Unit address (C0009), 4 – 5
PC cable, A – 3
PLC cable, A – 3
Personnel, Qualified, c
Plug–in terminal for external supply,Connections, 2 – 4
Plug–in terminal for LECOM–B,Connections, 2 – 4
Processing time, 1 – 7
Protocol, C – 3See also LECOM–A/B protocolCode numbers, C – 3
RS232C/RS485 Communication Module Index
I – 3Matsushita Electric Works (Europe) AG
Q
Quick stop, 3 – 4
R
Rated data, 1 – 5
RECEIVE, C – 10Examples, C – 11Message response, C – 10
RS232C (LECOM–A), Features, 2 – 8
RS232C/RS485 communication moduleConnections, 2 – 3Technical data, 1 – 1
RS485 (LECOM–B), Features, 2 – 10
RxD–LED, 2 – 3
S
Safety information, c
SEND, C – 12Example, C – 12
Slave response, C – 14
Standard addressing, C – 3
Status word, B – 6
SubD male plug (9–pole), Connections, 2– 3
Supply voltageExternal, 1 – 5, 2 – 6Internal, 2 – 6
T
Technical data, 1 – 1Dimensions, 1 – 6General data and application
conditions, 1 – 4Module features, 1 – 3Rated data, 1 – 5
Terminology, Preface – 1
Transmission faults, C – 14
Transmission speed. See Baud rate
TRIP reset, B – 3
Troubleshooting, 4 – 1
TxD–LED, 2 – 3
U
Unit address, 4 – 5, C – 8
V
Vcc–LED, 2 – 3
W
Warranty, b
Wiringto a host, 2 – 7via RS232C (LECOM–A), 2 – 8via RS485 (LECOM–B), 2 – 10
Index RS232C/RS485 Communication Module
Matsushita Electric Works (Europe) AGI – 4
COPYRIGHT � 2000 All Rights Reserved ARCT1F0000ABC V1.x 12/99
Specifications are subject to change without notice. Printed in Europe
� Austria Matsushita Electric Works Austria GmbHStojanstraße 12, 2344 Maria Enzersdorf, Austria, Tel. (02236) 2 68 46, Fax (02236) 46133, http://www.matsushita.at
� Benelux Matsushita Electric Works Benelux B. V.De Rijn 4, (Postbus 211), 5684 PJ Best, (5680 AE Best), Netherlands, Tel. (0499) 37 2727, Fax (0499) 372185, http://www.matsushita.nl
� France Matsushita Electric Works France S.A.R.L.B.P. 44, 91371 Verrières le Buisson CEDEX, France, Tel. 01 60 13 57 57, Fax 01 60 13 57 58, http://www.matsushita–france.fr
� Germany Matsushita Electric Works Deutschland GmbHRudolf–Diesel–Ring 2, 83607 Holzkirchen, Germany, Tel. (08024) 648–0, Fax (08024) 648–555, http://www.matsushita.de
� Ireland Matsushita Electric Works Ltd., Irish Branch OfficeWaverley, Old Naas Road, Bluebell, Dublin 12, Republic of Ireland, Tel. (01) 460 09 69, Fax (01) 460 11 31
� Italy Matsushita Electric Works Italia s.r.l.Via del Commercio 3–5 (Z.I. Ferlina), 37012 Bussolengo (VR), Italy, Tel. (045) 675 27 11, Fax (045) 670 04 44, http://www.matsushita.it
� Portugal Matsushita Electric Works Portugal, Portuguese Branch OfficeAvda 25 de Abril, Edificio Alvorada 5º E, 2750 Cascais, Portugal, Tel. (351) 1482 82 66, Fax (351) 1482 74 21
� Scandinavia Matsushita Electric Works Scandinavia ABSjöängsvägen 10, 19272 Sollentuna, Sweden, Tel. +46 8 59 47 66 80, Fax (+46) 8 59 47 66 90, http://www.mac–europe.com
� Spain Matsushita Electric Works España S.A.Parque Empresarial Barajas, San Severo, 20, 28042 Madrid, Spain, Tel. (91) 329 38 75, Fax (91) 329 29 76
� Switzerland Matsushita Electric Works Schweiz AGGrundstrasse 8, 6343 Rotkreuz, Switzerland, Tel. (041) 799 70 50, Fax (041) 799 70 55, http://www.matsushita.ch
� United Kingdom Matsushita Electric Works UK Ltd.Sunrise Parkway, Linford Wood East, Milton Keynes, MK14 6LF, England, Tel. (01908) 231 555, Fax (01908) 231 599, http://www.matsushita.co.uk
�������������
� USA Aromat Corporation Head Office USA629 Central Avenue, New Providence, N.J. 07974, USA, Tel. 1–908–464–3550, Fax 1–908–464–8513, http://www.aromat.com
� China Matsushita Electric Works, Ltd. China Office2013, Beijing Fortune, Building 5, Dong San Huan Bei Lu, Chaoyang District, Beijing, China, Tel. 86–10–6590–8646, Fax 86–10–6590–8647
� Hong Kong Matsushita Electric Works Ltd. Hong KongRm1601, 16/F, Tower 2, The Gateway, 25 Canton Road, Tsimshatsui, Kowloon, Hong Kong, Tel. (852) 2956–3118, Fax (852) 2956–0398
� Japan Matsushita Electric Works Ltd. Automation Controls Group1048 Kadoma, Kadoma–shi, Osaka 571–8686, Japan, Tel. 06–6908–1050, Fax 06–6908–5781, http://www.mew.co.jp/e–acg/
� Singapore Matsushita Electric Works Pte. Ltd. (Asia Pacific)101 Thomson Road, #25–03/05, United Square, Singapore 307591,Tel. (65) 255–5473, Fax (65) 253–5689
Europe
North & South America
Asia
North America Europe Asia Pacific China JapanMatsushita Electric Works (Asia Pacific)
Matsushita Electric Works Group
Matsushita Electric Works
Matsushita Electric Works Ltd. Automation ControlsGroup
AromatCorporation
Recommended