Instruction manual Spot temperature and Analog output ... · Introduction Instruction manual Spot temperature and Analog output options Page 5 1 Introduction This manual describes

Instruction manual Spot temperature and Analog output options Page 1

Instruction manual Spot temperature and

Analog output options for 854 servo,

97x SmartRadar and 877 FDI June 2012 Part no. 4416.644 Revision 5

Enraf B.V. P.O. Box 812 2600 AV Delft Netherlands Tel. : +31 15 2701 100 Fax : +31 15 2701 111 E-mail : [email protected] Website : http://www.honeywellenraf.com


Copyright 2004 - 2012 Enraf B.V. All rights reserved. Reproduction in any form without the prior consent of Enraf B.V. is not allowed. This manual is for information only. The contents, descriptions and specifications are subject to change without notice. Enraf B.V. accepts no responsibility for any errors that may appear in this manual. The warranty terms and conditions applicable in the country of purchase in respect to Enraf B.V. products are available from your supplier. Please retain them with your proof of purchase.

Preface


Preface This manual is intended for technicians involved with the commissioning and service of the optional functions of Spot temperature measurement and Analog level output with the Honeywell Enraf 854 servo gauges, the 97x SmartRadar gauges or the 877 Field Display & Interface. A description preceding the technical procedures gives the technical information necessary to understand its functioning. It is recommended to read this description prior to performing any of the procedures.

Safety and prevention of damage Refer to the chapter Safety in the instruction manual of the applicable instrument (servo/radar gauge or indicator) for detailed safety instructions.

"Warnings", "Cautions", and "Notes" have been used throughout this manual to bring special matters to the immediate attention of the reader.

A Warning concerns danger to the safety of the technician or user;

A Caution draws attention to an action which may damage the equipment;

A Note points out a statement deserving more emphasis than the general text, but does not deserve a "Warning" or a "Caution".

The sequence of steps in a procedure may also be important from the point of view of personal safety and prevention of damage; it is therefore advised not to change the sequence of procedure steps or alter a procedure.

Legal aspects The commissioning and trouble shooting to the instrument may only be conducted by qualified engineers, trained by Honeywell Enraf and with knowledge of safety regulations for working in hazardous areas. The information in this manual is the copyright property of Enraf B.V., Netherlands. Enraf B.V. disclaims any responsibility for personal injury or damage to equipment caused by:

Deviation from any of the prescribed procedures;

Execution of activities that are not prescribed;

Neglect of the general safety precautions for handling tools and use of electricity.

EC declaration of conformity The Honeywell Enraf instrument, in which the optional HCU, ICU_HPI or ICU_HPO board is installed, is in conformity with the protection requirements of EC Council Directive 93/68/EEC. Refer to CE declaration of conformity delivered with the instrument or to the installation guide of the instrument.

Additional information Please do not hesitate to contact Honeywell Enraf or its representative if you require any additional information.

Table of contents


Table of contents

1 Introduction .................................................................................................................................................. 5 2 Spot temperature measurement .................................................................................................................. 6

2.1 Introduction ................................................................................................................................. 6 2.2 Commissioning of spot temperature measurement .................................................................... 7

2.2.1 Spot temperature settings ....................................................................................................... 7 2.2.2 Additional temperature settings for 877 FDI ........................................................................... 8

2.3 Operation ................................................................................................................................... 9 2.3.1 Display .................................................................................................................................... 9 2.3.2 Data items ............................................................................................................................... 9

2.4 Troubleshooting ........................................................................................................................ 10 2.4.1 Temperature error request (item EM) ................................................................................... 10 2.4.2 Temperature status request (item MQ) ................................................................................ 10 2.4.3 Temperature pointer value (item VV) .................................................................................... 11

3 Analog level output .................................................................................................................................... 12 3.1 Introduction ............................................................................................................................... 12

3.1.1 HCU analog output characteristics ....................................................................................... 12 3.1.2 ICU_HPO analog output characteristics ............................................................................... 12

3.2 Commissioning of analog level output ...................................................................................... 14 3.2.1 Setting of analog output 97x SmartRadar to “active” ............................................................ 14 3.2.2 Analog output settings .......................................................................................................... 15 3.2.3 Calibrate analog output circuit .............................................................................................. 16 3.2.4 Verify output current .............................................................................................................. 18

3.3 Operation .................................................................................................................................. 19 3.3.1 Display .................................................................................................................................. 19 3.3.2 Data items ............................................................................................................................. 19

3.4 Troubleshooting ........................................................................................................................ 20 3.4.1 Analog output error request (item EA) .................................................................................. 20 3.4.2 Analog output status request (item AQ) ................................................................................ 20 3.4.3 Analog output pointer (items VP and VV) ............................................................................. 21 3.4.4 Communication board (ICU_HPO) actual status (item OA) ................................................. 22 3.4.5 Communication board (ICU_HPO) last encountered fatal error (item OF) ........................... 22

Appendix A ASCII table ................................................................................................................................ 23 Appendix B Part numbers ............................................................................................................................ 24 Appendix C Related documents ................................................................................................................... 25

Introduction


1 Introduction This manual describes the spot temperature option of the optional HCU and ICU_HPI board and the analog level output of the optional HCU board and ICU_HPO board. The HCU board is an option board for the Honeywell Enraf 854 servo level gauges and 877 Field Display & Interface. The ICU_HPI board is an option board for the Honeywell Enraf 97x SmartRadar level gauges.

Instrument Option board Function

854 servo HCU Spot temperature and/or Analog level output

877 FDI HCU Spot temperature and/or Analog level output

97x SmartRadar ICU_HPI ICU_HPO

Spot temperature Analog level output

In this manual the commissioning settings for the two functions are described in the following chapters:

Spot temperature measurement: chapter 2

Analog level output: chapter 3 The optional HCU and ICU_HPI boards also interface VITO probes and other HART devices. For a description of those functions, refer to the Instruction manual VITO interface and average temperature (and water) probes and Instruction manual HIMS / Vapour pressure (P3). The ICU_HPO board is an optional board for the 97x SmartRadar, providing an analog level output with HART communications. This manual only describes the analog output. For the HART communications, refer to Instruction manual 97x SmartRadar HART output communication.

Spot temperature measurement


2 Spot temperature measurement

2.1 Introduction A standard Pt100 spot element (RTD) can be measured and its temperature is interpreted by the HCU and ICU_HPI board as product temperature. As from HCU/HPI software version A2.1 and higher, also Ni191 elements (TriTemp / MidTemp) can be measured. The temperature measurement is intrinsically safe, certified EEx ia IIB.

Principle of operation The temperature measurement is based on a 3-wire RTD configuration. Only the ICU_HPI board has the option for a 4-wire RTD configuration. The resistance measurement for 3-wire configuration is performed in the following steps:

The spot element is measured, including the cable resistance

The cable resistance is measured separately, and subtracted from the element resistance to avoid influence of the cabling on the temperature measurement

Next, the system constant is determined. This is done by measuring an accurate reference resistance

(Rref) 0.01% + 2 ppm/C (-40 - 85C)

In order to check the Rref, a test resistor (Rtest) is measured. This resistor has the same accuracy as the

reference resistor These four measurements are performed with and without current to compensate for any thermo or offset voltage in the measuring circuit. The temperature data is displayed (when a display is present) as product temperature and transmitted to the host.



2.2 Commissioning of spot temperature measurement The commissioning of the optional spot temperature part of the HCU or ICU_HPI board should be performed after the basic commissioning of the level gauge or indicator.

2.2.1 Spot temperature settings

Item Name Description

W2= Protection level 2 Enter protection level 2.

TD= Temperature dimension One character; either ‘C’ or ‘F’. Default set to C. C : degrees Celsius F : degrees Fahrenheit

Both dimensions have the same format.

MT= Temperature element type Three characters (default: TPL) Valid settings for spot temperature measurement are:

SPL : Pt100 RTD large range (-200 +250 C)

SNI : Ni191 TriTemp / MidTemp ( -20 +120 C) This selection is possible from HCU/HPI software version A2.1 and higher. With previous software versions only Pt100 spot elements could be measured and hence, no selection required. Due to the default value (TPL), at first a temperature error message appears.

The temperature error is cancelled after item MT is set correctly.

MN= Element configuration Two digits (default: 16) 03 : for 3 wire RTD configuration or

04 : for 4 wire RTD configuration (ICU_HPI board only).

Note: If a 4 wire RTD configuration is used, strap ST4 on the ICU_HPI

board must be placed to the correct position (refer to fig. 2.1).

MO= RTD position Format according to item LD.

MO represents height of the RTD element with respect to the zero point of the level gauge. If the measured level drops below this height the following two actions takes place: 1) The corresponding status bit (bit 3) is set in status byte 1

of item AP (temperature request); 2) The temperature status on the instrument display (if applicable)

is set to ‘LR’.

MI= Switch hysteresis Format according to item LD. Default: +000.1000 (m).

Item MI is a switch hysteresis around the RTD position item MO.

TU= Temperature status conversion One character; default ‘T’. This character is transmitted in the temperature status byte to the host in case of:

- level below RTD position (item MO) - invalid level reading If required, this item can be set to another character.

EX Exit Exit protection level.



Figure 2.1 Strap ST 4 on ICU_HPI board for selection of 3-wire or 4-wire element configuration

2.2.2 Additional temperature settings for 877 FDI


W2= Protection level 2 Enter protection level 2.

OB= Optional board *) Three ASCII characters. This item informs the XPU (and XPU-1) what option board is installed. It has to be set to ‘HPU’.

EG= Enable temperature One ASCII character; either ‘D’ or ‘E’. With this item can be transmission*) selected if the 877 FDI shall answer on a temperature request

(C-record), addressed to the connected level gauge. E : transmission of temperature record enabled D : transmission of temperature record disabled

Note: When item EG is set to ‘E’, make sure the related level gauge has no temperature option installed.

TF= Temperature source selection One ASCII character; either ‘I’ or ‘E’. This item selects if there is a temperature measurement inside the indicator (Internal), or the temperature has to be fetched from the Enraf field bus (External).

I : Internal (HCU optional board installed) E : External

IM= Indicator mode One ASCII character. With XPU-2, the 877 FDI can be set in stand

alone temperature gauge mode. Then item IM has to be set to ‘T’.

EX Exit Exit protection level. *) This item is not implemented in the XPU-2.



2.3 Operation

2.3.1 Display For operation of the display and the information on it (if applicable), refer to the instruction manual of the related level gauge or indicator. Below, only an overview is given which display formats gives information about the spot temperature measurement.

Display format

Displayed information

A

D

Product level and temperature Product temperature and status

2.3.2 Data items The table below lists a number of data items. They contain measured data, verification data and error data. The verification data can be used to check the results of certain steps in the measuring sequence. The temperature status indicates the validity of the measured data. The error data provides low level error information about the temperature measurement (refer to section 2.4).

Item

Description

AP

MU

MQ

Measured data

Measured temperature (dimension according to item TD);

the value is preceded by four characters from the temperature status item MQ. Measured test resistance (floating point format);

must be: 166.5 W 0.03 %.

Temperature status request (refer to section 2.4.2).

VV Verification data

Refer to description at section 2.4.3.

EM

FH

H0

Diagnostic data

Error HCU / ICU_HPI request (refer to section 2.4.1). Fatal HCU / ICU_HPI errors Last fatal HCU / ICU_HPI error



2.4 Troubleshooting

2.4.1 Temperature error request (item EM) This item contains the most recent temperature error encountered by the optional HCU / ICU_HPI board. xx00 No error, value at initialisation

xx10 Counter error Hardware error. Reset instrument; if error persist, replace HCU or ICU_HPI board

xx15 UTI time-out Possibly no supply on Spot circuit (blown fuse); replace HCU or ICU_HPI board

xx29 R_cable error Resistance of B- and C-wire too high (maximum loop resistance: 24 Ω)

xx30 Connection error Check the wiring connections of RTD to instrument

xx34 Rtest error Hardware error. Reset instrument; if error persist, replace HCU or ICU_HPI board

xx70 Wrong element configuration specified Check item MN (must be set to ‘03’ or ‘04’)

xx98 No temperature sources found No RTD (and no VITO temperature probe) connected

xx99 Spot option print not installed Change HCU or ICU_HPI board for the correct type

xx: 28 for HSU / TPU-2 emulation

30 for HCU emulation

2.4.2 Temperature status request (item MQ) The temperature status request item contains four status bytes (Byte 0, Byte 1, Byte 2, Byte 3) from the optional HCU / ICU_HPI board. For decoding, refer to the ASCII table in appendix A.

Status byte 0: always ‘0’ Status byte 1: Status byte 2: bit 0 : General HCU / HPI temperature fail bit 0 : Last valid level used

1 : Fail in spot temperature reading 1 : Manual level used 2 : 1 2 : Level time-out 3 : Product level below RTD position 3 : 0 4 : 0 4 : 0 5 : 0 5 : Temperature out of range

6 : 1 6 : 1 7 : 0 7 : 0

Status byte 3: bit 0 : No previous store command 1-5 : 0

6 : 1 7 : 0

Note: Only the bits which are set to ‘1’ have an active status.



2.4.3 Temperature pointer value (item VV)

By means of the value pointer (item VP) a vector can be loaded to the HCU or ICU_HPI option board. Next, with

item VV, the selected data is returned. Item VP consists of 4 positions, in the middle separated by a ‘.’ or ‘,’ : v w . x y (or v w , x y). The values for the value pointer are listed in the table together with the obtained data.

v w

,

x y

Selected data

Example / Dimension

0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1

, , , , , , , ,

0 0 0 1 0 2 0 3 0 0 0 1 0 2 5 0

HCU / ICU_HPI Emulation & Function

Emulation: MPU, HSU, HPU, HCU Function: HC: HART channel installed

AO: analog output ST: spot temperature MT: VITO average temperature WS: external water bottom probe WT: VITO water bottom probe PR: pressure transmitters

Configuration boot code Sales code option: B boot code: 01

U 25 Y 3F

HCU / ICU_HPI hardware version Boot code software version Measured spot resistance (floating point format) Calculated spot temperature (floating point format) Measured cable resistance (floating point format) Temperature update counter

VV=HCU HCAOST- - PR VV=HCU CONFIG: 3F VV=HW VERSION: 00 VV=BOOTSW VERS:01

Ω

according to item TD

Ω


VP= Temperature value pointer Temperature value pointer; format: 2 digits, separator, 2 digits (refer to table above).

Example: VP=01.00: value pointer loaded to request the measured spot resistance.

VV Temperature pointer value Temperature pointer value.

This item holds the value requested by item VP (refer to table above). Example: the requested measured spot resistance

(standard floating point format).

Analog level output


3 Analog level output

3.1 Introduction The analog level output circuit is an option which can be installed on the HCU board. The HCU board is an option board for the 854 servo gauges and the 877 FDI. For the 97x SmartRadar, the analog level output is available with the optional ICU_HPO board. The analog output circuit on the HCU and ICU_HPO optional boards are galvanic separated from the gauge electronics. This section (analog level output) describes the settings for analog level output for both the HCU and ICU_HPO board. For the HART communication of the ICU_HPO board, refer to instruction manual 97x SmartRadar HART communication output.

3.1.1 HCU analog output characteristics The analog output is passive, hence an external power supply is required. The voltage of the loop supply should be at least 12 Vdc, and may not exceed 64 Vdc (measured at the terminals of the gauge). The loop resistance is the total resistance from the loop, and hence includes supply output resistance, total cable resistance (including series resistor) and the input resistance from reader or analog input. To reduce the power dissipation on the HCU board, an external resistor must be wired in series with the loop in case the loop supply voltage is higher than 30 Vdc (refer to figure 3.1A). The power rating of the external

resistance depends on the value; we recommend: 1W/kW.

3.1.2 ICU_HPO analog output characteristics The analog output can be set either passive or active (refer to section 3.2.1). When set to active, the supply voltage in the loop is: 20 Vdc (±5%). The voltage of the loop supply should be at least 8 Vdc, and may not exceed 64 Vdc (measured at the terminals of the gauge). Supply voltages over 30 Vdc require an external series resistor (refer to figure 3.1B).

Note:

HART communication requires a minimum loop resistance of 250 W.

The maximum loop resistance for HART communication is 1100 W.

This implies that for HART communication the minimum supply voltage is 14 Vdc and the maximum supply

voltage is 36 Vdc with a 250 W resistor.

With a higher external supply voltage, the series resistor must be increased. With the maximum resistor for

HART communication (1100 W), the maximum loop supply will be 57 Vdc.

The power rating of the external resistance depends on the value; we recommend: 1W/kW.

Analog level output


Figure 3.1 Supply voltage versus loop resistance for analog level output

Analog level output


3.2 Commissioning of analog level output

3.2.1 Setting of analog output 97x SmartRadar to “active” Setting the analog output loop to active or passive is done by selecting the correct connector on the ICU_HPO board. Standard, the 97x SmartRadar’s are delivered with the analog output loop set as ‘passive’. Hence, an external supply voltage is required. When the analog loop should be set to ‘active’, the connector on the ICU_HPO board needs to be changed from position. That procedure is described below.

1 Switch off mains power from the 97x SmartRadar; 2 Open electronic compartment cover; 3 Locate the ICU_HPO board (refer to figure 3.2); 4 Loosen the cable connector from connector CN 1 (passive), and plug it into CN 2 (active); 5 Close electronic compartment cover; 6 Apply mains power.

Figure 3.2 Changing over from passive to active analog output loop supply The commissioning of the optional analog level output part of the HCU / ICU_HPO board should be performed after the basic commissioning of the level gauge or indicator.

Analog level output


3.2.2 Analog output settings


W1= Protection level 1 Enter protection level 1

AM= Analog 4 mA level Format according to item LD (default: +000.0000 m). Enter in this item the level value which must correspond with the current of 4 mA

AN= Analog 20 mA level Format according to item LD (default: +000.0000 m). Enter in this item the level value which must correspond with the current of 20 mA

Note: The value in item AM can be considered as ‘offset’;

The value of (AN - AM) can be considered as ‘span’.

AK= Analog output mode One character, default set to: D (analog output disabled). Via this item is selected under what conditions the analog output current will operate; see table:

Item AK

Valid level

Invalid level

Level fail

Time-out /

start-up

D

A

nalog output

disabled

O P

Io = <AF>

(overwrite

mode)

Io = 3.5 mA

Io = 22 mA

(during start-up) (during start-up)

If no <LV>

L M

Io = <AL>

Io = <LV>

Io = 3.5 mA

Io = 22 mA

Io = 3.5 mA

Io = 22 mA

A B

Io = <AL>

Io =

Io =

3.5 mA 22 mA

I J

Io = <AL>

Io = 3.5 mA

Io = 22 mA

<AF> : value given by item AF in analog output overwrite mode <AL> : actual level value <LV> : last valid level value

Io : output current

Note: The setting ‘D’ should not be used with the 97x SmartRadar.


Note: With the 97x SmartRadar it is possible to write values with the HART communicator for PV LRV and

PV URV, which will be stored locally on the ICU_HPO board and used in stead of resp. items AM and AN.

Analog level output


3.2.3 Calibrate analog output circuit Calibration of the analog output circuit is necessary when the XPU NOVRAM is (re)formatted and the items could not be down loaded from a log file or when a new HCU / ICU_HPO board is installed. Of course, calibration can also be performed as a routine to be sure having a good signal. Connect a power supply (15 - 24 Vdc) and an

accurate mA meter (accuracy better than 10 mA)

to the instrument (refer to figure 3.3).

Note: The 97x SmartRadar can be set to active. Then no external power supply is required.

Figure 3.3 Test loop for calibrating analog output circuit The procedure described below can be used with the HCU board in the 854 servo gauges and 877 FDI. For the 97x SmartRadar with the ICU_HPO board, this procedure can only be used via the HART communication using the service tool Ensite or Engauge.



A5 Calibrate command @ 4 mA With this command a current of approximately 4 mA will flow through the loop. Read the current indicated by the mA meter.

A3= Analog output @ 4 mA Floating point format; units: mA. Enter in this item the reading from

the mA meter under the condition of command A5 (appr. 4 mA).

A6 Calibrate command @ 18 mA With this command a current of approximately 18 mA will flow through the loop. Read the current indicated by the mA meter.


the mA meter under the condition of command A6 (appr. 18 mA).

EX Exit Exit protection level. From ICU_HPO software version A1.1 and higher, the 97x SmartRadar has an alternative item for the calibration of the analog output.

Analog level output




AE=+.40000000E+01 With this data item a current of approximately 4 mA will flow Calibrate @ 4 mA through the loop. Read the current indicated by the mA meter.


the mA meter under the condition with item AE set to 4 mA.

AE=+.18000000E+02 With this data item a current of approximately 18 mA will flow Calibrate @18 mA through the loop. Read the current indicated by the mA meter.


the mA meter under the condition with item AE set to 18 mA.


Analog level output


3.2.4 Verify output current The analog output current can be verified by the same test set-up as in figure 3.3. The procedure described below can be used with the HCU board in the 854 servo gauges and 877 FDI. For the 97x SmartRadar with the ICU_HPO board, this procedure can only be used via the HART communication using the service tool Ensite or Engauge.



AK= Analog output mode Set analog output in overwrite mode: O



AF= Analog output overwrite Floating point format; units: mA. Enter in this item a current value which you want to verify on the mA meter. Minimum value: 3.5 mA, maximum value: 22 mA.

The current value, entered in item AF, should be indicated on the

mA meter. It may not differ more than 12 mA.

One or more current values can be verified by means of item AF.

When ready, set item AK back to its original setting:



AK= Analog output mode Set item AK back to its original setting (refer to section 3.2.2).

EX Exit Exit protection level. From ICU_HPO software version A1.1 and higher, the 97x SmartRadar has an alternative item for the verification of the analog output.



AE= Analog output overwrite Floating point format; units: mA. Enter in this item a current value which you want to verify on the mA meter. Minimum value: 3.5 mA, maximum value: 22 mA.

The current value, entered in item AE, should be indicated on the

mA meter. It may not differ more than 12 mA.

The output current holds the value till another value is given in item

AE or the verification is ended by means of an exit command.


Analog level output


3.3 Operation

3.3.1 Display For operation of the display and the information on it, refer to the instruction manual of the applicable level gauge or 877 FDI. Below, only an overview is given which display format gives information about the analog level output.

Display format

Displayed information

J

Analog level output

Note: There is no display format J on the 97x SmartRadar, as the ICU_HPO board is not connected to the internal IPC communication bus.

3.3.2 Data items Below, a summary is given of the available data items and error codes.

Item

Description

AO

AQ

Measured / calculated data

Actual analog output current (floating point format; units: mA)

This value is preceded by one status character of item AQ (only with HCU board in 854/877) Actual analog output status (refer to section 3.4.2) (only with HCU board in 854/877)

VV

Verification data

Refer to description at section 3.4.3 (only with HCU board in 854/877)

EA

OA

OF

FO

Diagnostic data

Error analog output request (only with HCU board in 854/873/877) (refer to section 3.4.1) Communication board (ICU_HPO) actual status (only in 97x) (refer to section 3.4.4) Communication board (ICU_HPO) last encountered fatal error (only in 97x) (refer to section 3.4.5) Communication board (ICU_HPO) fatal error counter (only in 97x)

Analog level output


3.4 Troubleshooting

3.4.1 Analog output error request (item EA) This item contains the most recent analog output error encountered by the HCU board. xx00 No error, value at initialization

xx15 Not calibrated Items A3 and/or A4 are not set correctly (default: +.00000000E+00)

xx16 Upper / lower range error Items AM and/or AN are not set correctly (both equal value?)

xx20 DAC read-back error Internal error, try to resolve with RS command (or power off/on). If error persists,

change HCU board xx99 Analog output option board not installed Change HCU board for the correct type

xx : 22 for MPU emulation

30 for HCU emulation

3.4.2 Analog output status request (item AQ) Only valid with the HCU board in the 854 servo gauge or 877 FDI. The actual analog output status is one character which can be divided into two data fields: the output status (4 bits: ‘os’) and the output value status (1 bit: ‘ov’)

AQ :

b7

b6

b5

b4

b3

b2

b1

b0

0

1

0

ov

os

os

os

os

Output value status (b4):

0 : within 4 - 20 mA range 1 : out of 4 - 20 mA range

Output status (b3, b2, b1, b0):

b3

b2

b1

b0

Analog output status

Setting of

item AK

Error code on display

0 0 0 0 0 0 0 0 1 1 1 1 1 1

0 0 0 0 1 1 1 1 0 0 0 0 1 1

0 0 1 1 0 0 1 1 0 0 1 1 0 0

0 1 0 1 0 1 0 1 0 1 0 1 0 1

valid product level used last valid product level used invalid level used no valid product level available no last valid level available no level available level time-out invalid level level failure analog output general fail analog output disabled overwrite value used no overwrite value available calibration mode entered

L, M, A, B, I, J L, M A, B I, J L, M A, B L, M, A, B, I ,J I, J A, B, I, J - - D O, P O, P L, M, A, B, I, J

- - LV IL NL NL NL TO IL LF FL DA OV NV CA

Analog level output


3.4.3 Analog output pointer (items VP and VV) Only valid with the HCU board in the 854 servo gauge or 877 FDI.

By means of the value pointer (item VP) a vector can be loaded to the HCU option board. Next, with item VV,

the selected data is returned. Item VP consists of 4 positions, in the middle separated by a ‘.’ or ‘,’ : v w . x y (or v w , x y). The values for the value pointer are listed in the table together with the obtained data.

v w

,

x y

Selected data

Example / Dimension

0 0 0 0 0 0 0 0

, , , ,

0 0 0 1 0 2 0 3

HCU / ICU_HPI Emulation & Function

Emulation: MPU, HSU, HPU, HCU Function: HC: HART channel installed

AO: analog output ST: spot temperature MT: VITO average temperature WS: external water bottom probe WT: VITO water bottom probe PR: pressure transmitters

Configuration boot code Sales code option: V boot code: 10

W 1A X 12 Y 3F

HCU / ICU_HPI hardware version Boot code software version

VV=HCU HCAOST- - - - VV=HCU CONFIG: 3F VV=HW VERSION: 00 VV=BOOTSW VERS:01


VP= Analog output value pointer Analog output pointer; format: 2 digits, separator, 2 digits (refer to table above).

Example: VP=00.00: value pointer loaded to request the emulation and functions.

VV Analog output pointer value Analog output pointer value.

This item holds the value requested by item VP (refer to table above). Example: the requested emulation and functions.

Analog level output


3.4.4 Communication board (ICU_HPO) actual status (item OA)

Only valid with the ICU_HPO board in the 97x SmartRadar.

Item OA contains the actual status of the ICU_HPO board, 30 seconds after startup. The first 30 seconds after

initialization (EX, or RS command or power on) this item contains the ICU_HPO software version. OK000 No error encountered ER010 ICU (XPU-part) not found Bad or no communication between ICU board and ICU_HPO board. Check ER011 ICU (XPU-part) not responding connector between those boards, else change either of the boards ER012 ICU (XPU-part) answer with error

ER020 DAC error Internal error; try to resolve with RS command (or power off/on). If error persists,

change ICU_HPO board

ER021 not calibrated Items A3 and/or A4 are not set correctly (default: +.00000000E+00)

ER030 NOVRAM checksum error ER031 NOVRAM access error Internal error on ICU_HPO board. Change ICU_HPO board ER040 code checksum error ER050 RAM error

3.4.5 Communication board (ICU_HPO) last encountered fatal error (item OF)

Only valid with the ICU_HPO board in the 97x SmartRadar. This item holds the last encountered fatal error code of the ICU_HPO board. 0000 no errors encountered 0001 cmx errors These errors are fatal software errors and should not occur. 0002 program errors If they do occur and are not resolved by resetting the instrument, replace the 0003 interrupt errors ICU_HPO board (inclusive ICU_HPO EPROM). 0004 watchdog errors

Appendix


Appendix A ASCII table

Appendix


Appendix B Part numbers

For 854 ATG / 854 XTG / 877 FDI:

HCU board functionality

Part no.

Spot temperature Pt100

0854.932

Spot temperature Pt100 + HART device(s)

0854.933

Analog level output

0854.935

Analog level output + VITO temperature and/or water probe

0854.936

Analog level output + VITO temperature probe

0854.937

Analog level output + Spot temperature Pt100 + VITO temperature and/or water probe + HART device(s)

0854.934

For 97x SmartRadar:

ICU_HPI board functionality

Part no.

Spot temperature Pt100

0973.922

Spot temperature Pt100 + HART device(s)

0973.923

Spot temperature Pt100 + VITO temperature and/or water probe + HART device(s)

0973.924

ICU_HPO board functionality

Part no.

Analog level output and HART communication

0973.912

Appendix


Appendix C Related documents Instruction manual series 854 ATG level gauge Instruction manual series 854 XTG level gauge Instruction manual 877 Field Display & Interface Instruction manual 97x SmartRadar Instruction manual HIMS / HTG and vapour pressure (P3) measurement

Notes


Notes


Notes


Documents

Instruction manual Spot temperature and Analog output ... · Introduction Instruction manual Spot temperature and Analog output options Page 5 1 Introduction This manual describes