MAN-0024 Training Course Stage One.pdf

UCTMDOC1-01 COPYRIGHT © Cylon Controls Ltd. 1995

Training

Course:

Stage One

UNITRON

Building Management System


1

Contents Introduction ....................................................................................................................4

Cylon Controls: Company profile...........................................................................................................5

Registration form...................................................................................................................................7

Section 1 System concept ...........................................................................................5

Communications controllers and universal controllers ..........................................................................6

UCC4 ....................................................................................................................................................6

UC16.....................................................................................................................................................6

Universal communications controller, UCC4 .........................................................................................7

Universal controller 16 points, UC16.....................................................................................................7

Universal inputs.....................................................................................................................................8

Universal outputs ..................................................................................................................................8

Section 2 Hardware configuration and input jumpers...............................................9

UC controller power and watchdog LED indicators .............................................................................10

UC16 & UC12 universal input selection .............................................................................................11

UC16 & UC12 input/output summary ..................................................................................................11

UC12, UC16 address/baud switch ......................................................................................................12

Universal input jumper selection .........................................................................................................13

UC12 UC16 & UC16DI address/baud switch exercise........................................................................14

UC16 exercise.....................................................................................................................................15

Section 3 UCC4 hardware configuration and LED display......................................16

UCC4 with 1 RS232 port .....................................................................................................................17

UCC4 with 3 RS232 ports ...................................................................................................................17

UCC4 power and watchdog LED indicators ........................................................................................18

UCC4 address and configuration switches .........................................................................................19

UCC4 seven segment display .............................................................................................................20

UCC4 address and configuration switch exercise...............................................................................21

UCC4 exercise ....................................................................................................................................22

Section 4 Other components.....................................................................................23


2

Reference............................................................................................................................................24

Exercise ..............................................................................................................................................27

Section 5 Subnetworks ..............................................................................................28

UCC4 node with UC16 controllers ......................................................................................................29

UCC4 node with UC12 controllers ......................................................................................................29

UCC4 node with UC16 controllers and UC16DI modules ...................................................................30

UCC4 node with UC16 and UC12 controllers and UC16DI modules ..................................................30

Setting the sub-net 120R terminating resistor .....................................................................................31

Connecting UCC4s to the Arcnet bus .................................................................................................31

2 UCC4 nodes with UC16 controllers..................................................................................................32

3 UCC4 nodes with UC controllers and a supervisory PC ..................................................................32

Subnetwork exercise...........................................................................................................................33

Section 6 Arcnet bus’s active hubs and distances..................................................35

Arcnet configurations ..........................................................................................................................36

Arcnet exercise ...................................................................................................................................41

Section 7 Application of external devices ...............................................................45

Section 8 Cable and installation recommendations ................................................50

Contents..............................................................................................................................................51

Thermistor cable .................................................................................................................................52

Analog and digital input cables ...........................................................................................................53

Analog and digital output cables .........................................................................................................54

UCC4 RS232 cables ...........................................................................................................................55

UC16 service port RS232 cable ..........................................................................................................56

Sub-net RS485 cable ..........................................................................................................................57

Arcnet media .......................................................................................................................................58

Power supply cable .............................................................................................................................59

Safety codes .......................................................................................................................................60

Section 9 Configuration .............................................................................................62

Site Configuration window...................................................................................................................63

System Configuration window.............................................................................................................64

User configuration ...............................................................................................................................65

Site directory structure ........................................................................................................................66

Exercise ..............................................................................................................................................67


3

Section 10 The Engineering Tool ..............................................................................68

The Engineering Tool..........................................................................................................................69

Introduction to the Engineering Tool ...................................................................................................71

Examples of strategies........................................................................................................................72

Globals exercise..................................................................................................................................75

Section 11 Time schedules........................................................................................76

UC16 time schedule............................................................................................................................77

UCC4 Schedule Planner .....................................................................................................................78

Exercise ..............................................................................................................................................80

Section 12 Alarm text .................................................................................................81

UCC4 alarm text..................................................................................................................................82

Exercise: .............................................................................................................................................84

Section 13 Datalogs ...................................................................................................85

Datalogs ..............................................................................................................................................86

Exercise ..............................................................................................................................................87

Section 14 CCView and CCDraw ...............................................................................88

Reference............................................................................................................................................89

CCDraw exercise ................................................................................................................................90


4

Introduction

The company profile provides an overview of Cylon Controls. If you have any queries

regarding particular aspects of this which may be of help for marketing purposes or for any

other reason please ask.

To allow us to form a profile of the training delegates, please complete the registration form.

This will enable us to gather some relevant information about your own requirements and

previous experience.


5

Cylon Controls: Company profile

Cylon was formed in 1985 by three graduate electronics engineers to apply the latest

generation electronics technology to building services and environmental control. Today

Cylon is the largest privately owned manufacturer of building control in Europe and an

established, substantial OEM supplier. Principal markets include the UK, Ireland, Italy,

Germany and France. Cylon is quality assured to ISO 9000-2.

Cylon's business focus is the development of innovative building management systems:

ensuring the right conditions for work and leisure, improving maintenance, and deploying

energy and utility resources appropriately and economically. Cylon secures these objectives

through the development and supply of UNITRON, an intelligent control system which draws

upon the leading edge of direct digital control, network communications, software and

electronics engineering.

Cylon systems are specified across all sectors of the building services industry - from

intelligent commercial property with integrated HVAC, lighting and life safety, to the small

shop or school with, perhaps, just one or two zone heating. In the commercial sector, Unitron

projects include the new International Rail Terminal at Waterloo and the prestigious Ludgate

development. Cylon's public sector projects include health and education authorities such as

Tayside Health Board and the University of East Anglia. Industrial applications range from

'clean' pharmaceuticals, such as A.H. Cox, to aerospace, rail and heavy engineering firms.

Unitron is also specified to regional energy suppliers like Northern Electric.

This breadth of application is a reflection not just of how 'universal' and flexible Unitron

controllers are, but of how usable they are. For example, Cylon has developed fully

configurable keypads for non-technical staff, and comprehensive building management

supervisors for facilities and estates managers. Additionally, Cylon's support for 'open

architectures' mirrors the likely development of building management practices by freely

permitting the creation of inter-operable systems, via gateways and servers, and across office

systems.

Cylon is fully committed to the adoption of 'green' building services methods such as ice

storage, chilled ceilings and natural ventilation. Not only is the Unitron system compatible

with such techniques, but the company has undertaken a number of successful pioneering

projects into green applications, sponsored by EC research initiatives.

Cylon's experience in building services controls is under-pinned by an expertise in electronics

design that is evident throughout the Unitron range. All products are conceived, developed

and documented by an in-house research and development team at its Dublin headquarters.

Their experience in advanced electronics design, graphical user interfaces and windows-based

expert systems is evident in the many technically advanced features of the Unitron range.

Even the smallest Unitron controller benefits from the massive processing power of modern

integrated circuits. Multi-layer circuit boards contribute not only to the compact size of

Unitron controllers, but to comprehensive CENELEC emissions and immunity ratings across

the range. Cylon's own implementation of ARCnet, the process industry standard, results in

High Speed Internetwork with a transfer speed of 2.5 Megabits per second from just one VLSI

microchip. 32 bit processors handle other Unitron communications. Future compatibility is

assured by open communications, and the adoption of proprietary networks which are

recognised and enduring standards.


6

In the UK Cylon does not supply or engineer directly, preferring to focus on its twin strengths

of control system development and technical support. Instead Cylon has an accredited

distributor network consisting only of leading control systems suppliers. Each 'Approved

Cylon Systems Integrator' works closely with Cylon, and in turn is able to offer a

comprehensive support package from outline specification and engineering - using automated

design, testing and documentation methods through to project management, training and post-

installation support.


7

Registration form

Name ..........................................................................................Date .....................................

Company .................................................................................................................................

Position ...................................................................................................................................

Brief descriptions of duties/responsibilities .............................................................................

.................................................................................................................................................

Have you any previous Cylon experience, including CC200/2100? Yes � No �

Have you worked with any other building management system? Yes � No �

If yes, give some brief details: ...................................................................................................

.................................................................................................................................................

.................................................................................................................................................

Are you familiar with Microsoft Windows? Yes � No �

Have you attended any other Cylon training course? Yes � No

�

If yes, give details ....................................................................................................................

.................................................................................................................................................

.................................................................................................................................................

Section 1

System concept


6

Communications controllers and universal controllers

The UNITRON network is made up of two basic components:

• the UCC4

• the UC16.

UCC4

This compact communications controller co-ordinates all communication functions on its own

subnetwork of up to 32 controllers.

In addition, the UCC4, when fitted with an Arcnet card, can interface with other subnetworks

over UNITRON's high speed internetwork, allowing larger integrated systems to be

assembled.

The UCC4 has the facility, via its RS232 ports, to be connected to supervisory PCs, printers,

modems etc.

UC16

These are powerful, fully programmable controllers. They work as a type of intelligent

input/output board with 8 inputs and 8 outputs.

The UC16 has the capacity to act as an integral part of a subnetwork or else as a stand-alone

controller. This modular approach gives great flexibility and reduces installation and

maintenance costs.


7

Universal communications controller, UCC4

• Subnetwork provides communication for up to 32 universal controllers

• 1 or 3 RS232 ports

• Optional Arcnet card permits high level network capability

• Keypads available for full site interrogation

• DIN rail mounted

• 24 Volt AC supply

Universal controller 16 points, UC16

• Designed to operate building services

• Fully programmable

• 8 universal inputs and 8 universal outputs

• Rapid scan speed – less than 1 second

• Local PC port

• DIN rail mounted

• 24 Volt AC supply

• Stand-alone capability


8

Universal inputs

Jumper settings on each input select the sensor type.

Analog

• Active voltage 0 -10 Volts

• Passive detectors (800 ohms - 5 kohms)

• Active current input (0 - 20 mA)

Digital

• Volt free contact

Pulse

• Up to 12 Hz

Universal outputs

• 0 - 10 Volt DC at 10 mA

• For digital outputs a relay pack (RP4 or RP8) is required.

Section 2

Hardware configuration

and input jumpers


10

UC controller power and watchdog LED indicators

Red LED status Indicating power to unit

ON Power is applied to UC controller

OFF No power

Green LED status Indicating status of UC controller

ON Opening correctly but not communicating on RS485

OFF Serious fault

Pulses once per second Operating correctly and communicating on RS485

Pulses rapidly No strategy or setup module sent

OR corrupt


11

UC16 & UC12 universal input selection

UC16 & UC12 input/output summary

INPUTS OUTPUTS

Controller Analog, Digital Universal Triac

Type Digital,

Pulse

0-10Vdc @

10mA

24Vac @

500mA

UC16 PG 8 8

UC16 IP 8 8

UC12 FC 4 4 4

UC12 VAV 4 2 6

UC 8 4 As required As required

Note: The UC8 has 4 outputs configured in one of 5 output options giving every combination

of 0-10V/Triac outputs.


12

UC12, UC16 address/baud switch

Bits 1 - 6 set the controllers address

Bits 7 & 8 set the controllers baud rate

NOTE: Each controller requires its own unique address on the RS485 network starting

at one and incrementing by one. All devices on the same network must be set to the

same baud rate.

All address settings are shown in the UC16 Hardware Manual, Appendix A. All baud rate

settings are shown in the UC16 Hardware Manual, page 6.

The example shown above is controller number 1 and the baud rate is 9600.


13

Universal input jumper selection

Jumper settings:

Jumper in Jumper out

Indicate the proper jumper positions for the following inputs:

1. Analog active voltage input, 0 - 10V dc.

2. Analog active current input, 0 - 20 mA.

3. Analog passive input, Ohms.

4. Digital Volt free contact input.


14

UC12 UC16 & UC16DI address/baud switch exercise

Address = 17 Address = 32 Baud rate = 38,400 Baud rate = 9,600


15

UC16 exercise

1. Supply voltage for a UC16 is:

(tick the correct answer)

� 240 Volts AC � 24 Volts AC � 18 Volts DC

2. Which of the following statements are true?

• A UC16PG has 8 universal inputs and 8 universal outputs. True � False �

• A UC16IP has 8 universal inputs and 8 digital inputs. True � False �

• A UC16 controller stand alone requires either a keypad or

real time clock module to maintain time. True � False �

• A UC16 can be fitted with an Arcnet board. True � False �

• A UC12 can be fitted with a keypad and real time clock. True � False �

4. Which of the following are true?

• The UC16 has either a RS232 port or a RS485 port. True � False �

• The UC16 has both a RS232 port and a RS485 port. True � False �

• A UC16s RS485 port is disabled if a keypad is fitted. True � False �

• The UC16's RS485 port is disabled if a PC is connected

to its RS232 port. True � False �

Section 3

UCC4 hardware configuration

and LED display


17

UCC4 with 1 RS232 port

UCC4 with 3 RS232 ports


18

UCC4 power and watchdog LED indicators

Red LED status Indicating power to unit

ON Power is applied to UCC4 controller

OFF No power

Green LED status Indicating status of UC controller

ON Opening correctly with valid setup

OFF Serious fault

Flashes momentarily A valid packed received from PC

Pulses rapidly No setup sent OR corrupt


19

UCC4 address and configuration switches

• Switch 1 (SW1) is the 8 bit address switch. Each UCC4 has its own unique address.

Appendix 1 of the UCC4 Hardware Manual illustrates all 255 addresses available.

• Switch 2 (SW2) is the configuration switch, used to configure RS232 port 1.

• Bits 1 & 2 select the RS232 baud rate.

• Bits 3 & 4 select the RS485 (sub-net) baud rate.

• Bits 5 & 6 select the type of peripheral device which is connected to port 1: computer,

modem, printer, or none.

A full explanation of configuration switch settings is found on page 11 of the UCC4

Hardware Manual.

NOTE 1: RS232 ports 2 and 3 are configured through software.

NOTE 2: The address and configuration switches are only read by the controller on

power up.

In the above example the address is 3, RS232 baud is 9600, sub-net baud is 9600 and the

UCC4 is connected to a modem.


20

UCC4 seven segment display

Character displayed Meaning

C CLASH

Arcnet is running but another node has this address.

E EMPTY

Arcnet board is present but the network is not connected

or Arcnet network up but no other nodes detected.

O NONE

No Arcnet board is present.

F FULL

All 255 Addresses utilised and the Arcnet is full.

A ARCNET

Arcnet network is up and running .


21

UCC4 address and configuration switch exercise

Assume 1 port UCC4


22

UCC4 exercise

1. What can we tell about the Arcnet status when the 7 segment display on the UCC4 is

showing:

(A). O ANSWER:______________

(B). E ANSWER:______________

(C). C ANSWER:______________

2. When the red LED on a UCC4 is off what does this tell us?

ANSWER:_________________________________________________________

3. When the green LED on a UCC4 is pulsing rapidly, what do we know about the

controller?

ANSWER:_________________________________________________________

4. When the green LED flashes momentarily, what does this mean?

ANSWER:_________________________________________________________

5. True or false?

A UCC4 requires to be powered down and up again after a change has been made to either

its address switch or configuration switch. True � False �

Section 4

Other components


24

Reference

Refer to the following datasheets:

• DI

• Accessories


25

UC16 R/L2 RAISE/LOWER RELAY MODULE DATASHEET

MECHANICAL

Size:- 130(w) x 120(l) x 45mm(h)

Enclosure :- Flame retardant injection moulded plastic.

Mounting:- DIN rail

Connectors:-

Inputs : Rising clamp screw terminals

Outputs : Rising clamp screw terminals

Power : Rising clamp Plug-in screw terminals

Quick Connector : 10 way DIL

Weight:- 340g

LABEL

Writing Pad:- 2 Pads allow information about each of the Relay outputs to be recorded. Accepts biro or felt tip pen.

Indicators:- 2 green lights and 2 yellow lights.

ELECTRICAL

Supply Voltage:- 24Vac +/- 20%

Power rating:- 4VA

Indicator:- Red light is on when power is supplied to the relay module.

4 RELAY CONTACTS

10A @ 250Vac or 10A @ 30Vdc for a non-inductive load.

2 INPUTS

Current :- 10mA @ 10Vdc each input

Voltage:- 0 to 10Vdc input only.

Return:- The Return wire is common to all inputs and connects to the G0 wire of the power supply.

FEATURES

• Quick Connect via a 10 way Ribbon Cable (Part No.CC12/CAB, Nominal Length 250mm.) to UC16PG.

• Four links under the terminal cover allow mode selection for each pair of relays.

• Any Combination Of Raise/Lower or Binary Mode outputs possible, e.g. 1 R/L and 1 Binary Mode output.

• 1 UC16 analog output and 1 Binary Mode output is equivalent to 2 UC16 digital outputs and 2 normal relays.

BINARY MODE

Link Position: Links 1 and 2

BINARY MODE TABLE:

Input Voltage (Volts) Red LED(24Vac supply) Relay B Relay A Green LED Yellow LED

Don’t Care off off off off off

0V on off off off off

4V on off on off on

7V on on on on on

10V on on off on off

• Binary mode converts one UC16 analog output to two digital volt-free outputs. Because of the high switching speed it

is possible to skip over states. e.g. It can go from 4V to 10V without activating the 7V state.

Due to Cylon’s policy of continuous improvements, these specifications may be upgraded without notice


26

RAISE/LOWER MODE

Link Position: Links 1and 2

Interlock Wiring for Raise/Lower Mode

• In Raise/Lower mode, the interlock wiring shown will only allow one motor to be connected to mains for all input voltages.

RAISE/LOWER TABLE

Input Voltage

(Volts)

Red LED

(24Vac supply)

Relay B Relay A Green LED

(+ direction)

Yellow LED

(- direction)

Contact Status

Don’t Care off off off off off Lower output powered

0V on off off off on Lower output powered

4V or 5V on off on off off No power output to valve

7V or 10V on on on on off Raise output powered

Due to Cylon’s policy of continuous improvements, these specifications may be upgraded without notice


27

Exercise

Q. Which of the following are true?

• A UC16 DI digital input module has 32 digital inputs. True � False �

• A UC16 DI can hold a control strategy. True � False �

• A UC16 keypad can interrogate controllers on its own sub-net. True � False �

• A UCC4 keypad can interrogate any controller across the Arcnet. True � False �

• A UC16 R/L 4 provides 4 digital outputs. True � False �

• The hand off auto module can only be internally fitted to a UC16. True � False �

Section 5

Subnetworks


29

UCC4 node with UC16 controllers

Up to 8 UC16 controllers [nodes 1-8]

128 I/O points maximum

• • • • • • • •

UCC4 node with UC12 controllers



Reference: System Architecture Datasheet


30

UCC4 node with UC16 controllers and UC16DI modules


with UC16DI digital input multiplexers [nodes 9-16]


• • • • • • • •

UCC4 node with UC16 and UC12 controllers and UC16DI modules


with UC16DI digital input multiplexers [nodes 9-16]

and 47 UC12 controllers [nodes 17-63]



31

Setting the sub-net 120R terminating resistor

IN

OUT IN

Refer to UC16 Hardware Manual, page 13, for maximum distances

Connecting UCC4s to the Arcnet bus

Refer to UCC4 Hardware Manual, pages 15 to 20.


32

2 UCC4 nodes with UC16 controllers

• • • • • • • •

3 UCC4 nodes with UC controllers and a supervisory PC


33

Subnetwork exercise

1. What is the maximum number of UC16 controllers on one RS485 network?

(tick the correct answer)

� 32 � 255 � 16 � 8

2. Do Cylon have any illegal or non-usable address numbers?

� Yes � No

3. Sketch a network with the following controllers all mounted in one control panel.

3 UC16DI

6 UC16PG

1 UC16IP

Show all controller address numbers. Is there any further equipment or hardware required?


34

4. Sketch a network with the following controllers.

Panel A Panel B Panel C

7 UC16PG 3 UC16PG 1 UC16PG

4 UC16DI 1 UC16DI 1 UC16DI

Note distance between Panel A and B is 200 meters and Panel B and C is 290 meters.

5. The network for example 4 now has 5 floors of VAV terminals installed, each floor

requires 48 UC12VAV controllers.

What is the best method of incorporating this and what other equipment is required?

............................................................................................................................................

............................................................................................................................................

............................................................................................................................................

6. The RS485 network maximum speed is:

(tick correct answer)

� 19K2 Baud � 1 Megabits/sec. � 38K4 Baud

� 9K6 Baud �2.5 Megabits/sec.

Section 6

Arcnet bus’s active

hubs and distances


36

Arcnet configurations

To connect 2 UCC4s together with Arcnet:

• • • • • • • • • •

To connect up to 8UCC4s together with Arcnet:

Q. Can I connect more than 8 to this network cable?

A. No. A Coax Active Hub should be used to add extra UCC4s.


37

To connect more than 8 UCC4s to a network:

Q. There are 6 unused ports on this Hub. Do they need Arcnet terminating resistors?

A. No.

• • • • • • • • • • • •

Q. Will the network work as normal if the Hub is powered off?

A. No. When the Hub is powered off it no longer terminates the line with 93 Ohms. If there is

a danger of the Hub losing power then an Uninterruptable Power Supply should be used.

• • • • • • • • • • • •

To connect UCC4s which are greater than 1000ft(330M) apart :

Q1. Can You put more UCC4s on these cables without affecting the maximum distance?

A1. Yes up to 8 UCC4s on each cable.

Q2. Is the Hub counted as a node on the network?

A2. No.


38

To connect UCC4s which are greater than 660m apart:

Q. If you connect a UCC4 to line #2 do you still get 660m between Hubs?

A. No. If you connect a UCC4 to line#2 then the maximum distance reduces to 330m between

the two Hubs.

To connect up to 8 UCC4s on a line with 2 Hubs:

Q1. Do the Hubs terminate both ends of the line with 93R?

A1. Yes.

Q2. In general, what is the minimum length of RG62 cable I can use between UCC4s?

A2. 1m is the minimum length and CYLON sell this as a standard item off-the-shelf.


39

How does the Hub work?

Any data appearing on a port is sent out, buffered, on the other 7 ports.

• • • • • • • • • •

Q. Can I connect a Hub to the middle of a cable:

A. No. This line now has 3x93R across the wires. A solution is shown below:


40

Q. Can I connect a long stub at a junction to a line?

A. No, use a hub at the node of the cables.

• • • • • • • • • • •

Q. Can I connect Arcnet in a loop?

A. No. The configuration is either Tree or Star or Bus, not Ring.

• • • • • • • • • • •

Q. What is an Active Link used for?

A. An Active Link can join two Buses together:

Q. What happens if the active Link is powered down?

A. The two Buses work separately.


41

Arcnet exercise

Plan the Arcnet cable layout for the site represented in the diagram on the next page.

The first diagram shows the quantity of UCC4s in each location with the distances between

these locations indicated by the red lines.

The second diagram should be used to chart your solution showing where active hubs have

been required.

For the purposes of this exercise; try to minimise the required number of active hubs.


42


43

Section 7

Application of

external devices


46


47


48


49

Noise reduction inside the panel

Connect any relay packs, valves, external sensors etc. on a separate star on the 24V side of the

transformer to that supplying UC16 controllers.

Also if possible, connect any UCC4 communication controllers on another separate star.

Where possible keep mains power cables away from sensor, sub-net and Arcnet cables.

These measures will greatly reduce noise on the power supplies into the individual controllers.

Section 8

Cable and installation

recommendations

for Unitron controllers


51

Contents

• Thermistor cable

• Analog and digital input cables

• Analog and digital output cables

• UCC4 RS232 cables

• UC16 service port RS232 cable

• Sub-net RS485 cable

• Arcnet media

• Power supply cable

• Safety codes


52

Thermistor cable

The resistance of the wire is relevant as the temperature coefficient of the copper wire is

approximately 0. 38 % per degree C. For negligible errors these cables are recommended:

a) up to 50 meters: AGW 20, cross section area (csa) 0.6mm

2, or 3.3 ohms per 100m of

conductor.

b) up to 75 meters: AGW 18, csa 0.9mm

2, or 2 ohms per 100m of conductor.

c) up to 100 meters: AGW 16, csa 1.2mm

2, or 1.5 ohms per 100m of conductor.

• two cores in the cable.

• stranded or solid conductor

• shielded cable with the shield connected to earth at one point i.e. in the panel close to the

controller.

Twisted pair cable is recommended in the following cases:

• when the site has a lot of heavy industrial equipment e.g. large electrical motors.

• when the cable is in the same ducting with mains (220/240 Vac) cabling. Note:

There

should always be at least 12 cm separation between mains wiring and UNITRON controller

cables unless they are separated by metal ducting in which case a minimum distance of 6

cm is recommended.

• when the length of the cable is close to the limits specified above in a), b) or c).

Some recommended cables: Belden 8760, 8762 or equivalents.


53

Analog and digital input cables

Up to 200 meters: AWG 24, csa 0.22mm

2

• Shielded two core cable. The shield is connected to earth at one point in the panel close to

the controller.

Recommended cables: Belden

8641, 9501, 9841.


54

Analog and digital output cables

Up to 200 meters: AWG 24, csa 0.22mm2

• Shielded

• two core.

Recommended cables: Belden 8641, 9501, 9841.


55

UCC4 RS232 cables

Up to 15 meters: AWG 24, csa 0.22mm2.

• three core (for no handshaking).

• shielded.

• total maximum cable capacitance of 2,500pF (conductor to conductor capacitance plus

half the conductor to shield capacitance).

Recommended cables: Belden 9533, 8102 and 9502 (4 cores, one core unused).


56

UC16 service port RS232 cable

Up to 4 meters: AWG 24, csa 0.22mm2.

• four core (one handshake line).

• shielded if cable is permanently installed.

Recommended cables: Belden 8102, 9502.


57

Sub-net RS485 cable


2 minimum.

• two cores

• unique colour for each one

• shielded


2 minimum.

• two core stranded conductors.

• unique colour per core.

• shielded.

• twisted pair.

• low capacitance.

• a segment of cable running between two controllers should have the shield connected to

earth at one side only. The other end of the shield may be connected to earth via a 10nF,

1KV ceramic plate capacitor to give maximum noise immunity.

Recommended cables: Belden 9501, 8641, 8761.

Up to 1.2Km: AWG 24, csa 0.22mm

2.

• two core stranded conductors (for low impedance at high frequencies).

• unique colour per core.

• twisted pair.

• shielded.

• Polyethylene or Datalene insulated (NOT PVC which gives high capacitance) maximum

cable capacitance is 75pF per meter (conductor to conductor capacitance plus half the

conductor to shield capacitance).

• Characteristic impedance between 100 and 150 ohms.

• a segment of cable running between two controllers should have the shield connected to

earth at one side only. The other end of the shield may be connected to earth via a 10nF,

1KV ceramic plate capacitor to give maximum noise immunity.

Recommended cables: Belden 9841, 9182, 9207, 8102 (one pair unused).


58

Arcnet media

The Unitron UCC4 controller has been designed to be connected directly to low cost RG62

A/U Coax cable using standard 75 ohm BNC connectors and T-adapters. It is possible to use

other transmission media if the appropriate interface is used.

These are the available transmission media, off-the-shelf, for standard Arcnet:

• Arcnet coax cable.

• Arcnet fibre optic cable.

It is possible to mix all these media in the one network.

Arcnet coax cable

Different types of coax cable can be used with Arcnet but the furthest distances between nodes

can be achieved with a 90 ohm characteristic impedance cable and 90 ohm terminators. A

maximum distance between UCC4 controllers of 4 miles is then achievable using active hubs

as repeaters.

Up to 305 meters:

This distance can be achieved between two UCC4s on a terminated

length of cable.

Up to eight UCC4s can be placed on this length of cable.

A terminator may be replaced with an active hub to extend the network.

Up to 610 meters: This distance can only be achieved with a star connection between two

active co-axial hubs (that is, no UCC4 controllers are permitted on this

length of cable).

Recommended cables: Belden 9269 (RG62A/U)

Arcnet fibre optic

Puredata Europe supply cost-effective fibre optic hubs which have two Arcnet co-axial

connections and two fibre optic connections. Another hub offered by the same source is a

three fibre optic, one coax hub.

The distances that can be achieved when using these hubs is dependent on the fibre cable

used.

1. 50 Micron cable 7/3.5 = 2.0km max.

2. 62.5 Micron cable 12/4.5 = 2.67km max.

3. 100 Micron cable 16/6.0 = 2.67km max.

We recommend the use of 100 Micron cable for use with these hubs.

Two fibres are required for a fibre optic link:

• One for transmit

• One for receive

These hubs come with either screw or bayonet fittings. When ordering these hubs, specify ST

terminals (bayonet twist and lock). The hubs are mains powered devices.


59

Power supply cable

One Unitron controller can draw typically 1.2 Amp pulses of current from the secondary of

the 24 Vac transformer. The secondary should be fused with a slow blow fuse or circuit

breaker, allowing 1Amp per Unitron controller.

Ideally, one 24Vac transformer would be used per panel of controllers. This would ensure

minimum electrical noise due to the resistance of the wire.

Sometimes it is required to power valves and other devices from the same transformer as that

powering the Unitron controllers. In this case, it is recommended to use a star connection at

the secondary of the transformer so that the Unitron controllers are connected on one leg and

the other devices appear on the other leg.

The Go or ground wire on the secondary side should be connected to safety earth

(green/yellow wire) at one point, preferably close to the transformer.

These are the recommended maximum lengths of cable to be used on one leg of a star

connection:

Cable gauge Cross section area

(mm2)

No. of controllers Max. cable length

(metres)

AGW 20 0.6 1

2

8

4

AGW 18 0.9 1

2

3

12

6

2

AGW 16 1.2 1

2

3

4

5

20

10

6.6

5

2.5

AGW 14 2.0 1

2

3

4

5

6

28

14

9.2

7

5.6

2.8

For example, if AWG 18 cable is being used and 8 controllers are to be powered at a distance

of 5 metres from the one transformer, then four star connections would be made to the

secondary of the transformer with 2 controllers each. In this case, it would simplify the wiring

to use AWG 14 cable.


60

Safety codes

Most of the cables recommended above are also available in a Plenum version if this is

required by the site safety standards. This type of cable resists flame spread and does not give

off toxic fumes even when exposed to direct flame.

Although it is more expensive than the normal type, in certain cases this type of cable is

exempt from the requirement to run the cable inside metal conduit thus reducing installation

costs.

Section 9

Configuration


63

Site Configuration window

Site Description:

This the name of the site that you wish to set up.

Directory Name:

This is the name that will be given to the site directory which is automatically set up in

WN3000V4.

Network? :

As there may be two or more sites set up on the PC this allows you to choose which COM

port the site is connected to.

Remote Site:

If a site is a remote site, accessed via a modem connected into one of the PC's COM ports,

then a telephone number is required as well as the identification string of the UCC4 at the

other end of the modem link.

Number of UCC4s:

This is where the number of UCC4s on the site is entered.

Edit UCC4 Descriptions:

This button brings up another window allowing you to edit the controller names on the site.

These names are then used in the database to identify these controllers.

Refer to WN3000 Software Manual, pages 26 to 38.


64

System Configuration window

System Name:

This is the name that will appear on the screen when WN3000V4 is starting up.

Networks:

This box allows the engineer to assign particular COM ports to networks 1 and 2. Network 2

can be connected to a modem or directly to a controller. Here the COM port speed and the

type of controller the PC is connected to is set.

Default site:

This is the site which WN3000V4 will look at as the default when the software is started up.

Minutes idle before Logout:

This is time in minutes after which the user will be signed off if the PC is idle. In order to use

the system again the user would then have to enter their user name and password.

Alarm Scanning Enabled:

This allows the PC to scan for alarms from the network.

Note: When the "Save" button is pressed WN3000V4 will start up again to implement

any changes made. The "Cancel" button will discard any changes.


65

User configuration

The User Configuration window is used to set up new users on the system and to change their

levels of access to the system and their passwords, user names etc.

Access to a particular part of the system is determined by whether the relevant tick box in this

window is clicked or not.

For example a particular user may have access to CCView but may not be able to change

anything from there.


66

Site directory structure

Below is a summary of what is held in these directories:

C:\wn3000v4\LAN This is the site directory set up automatically from the

configuration application.

LAN\archive Archived data from the site (collected by datalogs).

LAN\dbase The database for the site, with point names etc.

LAN\drawings CCView drawings.

LAN\keypad Keypad programs for the site.

LAN\macros Excel macros for reports.

LAN\strategy Control strategies.

LAN\system Information relevant to the site.

C:\wn3000v4\help Help files for WN3000v4.

C:\wn3000v4\macros Strategy macros for the Engineering Tool.

C:\wn3000v4\system General WN3000v4 information, settings etc.


67

Exercise

Set up a site on the PC:

The sites name should be "Training Site" and the directory name should be "TRAIN1".

The site should be set up on Network 1, what does this tell us about the sites location?.

There is one UCC4 and two UC16s on site, the controllers names should be as follows:

UCC4 Number 1 = training case (1)

UC16 Number 1 = first (1-1)

UC16 Number 2 = Keypad (1-2)

Network 1 should be on COM 1 with a baud rate at 9600.

What settings would have to be made on the hardware?

Section 10

The Engineering Tool


69

The Engineering Tool

Page references are to the Unitron Engineer’s Guide.

Page

reference

Starting the Engineering Tool:

12 Selecting a target - the reason for this

12 The Off-line window and its features

13 The On-line window and its features

Points and point values:

18 Off-line: Defining a hardware point and its parameters

23 On-line: Downloading a hardware point to a controller

24 Sending set-up and reading the point value

29 Reading all I/O points

31 Changing point values

34 Manually overriding hardware point values

Strategies:

39 Example of a simple strategy

40 Selecting function modules

Editing function modules

41 Marking function modules, for moving, deletion etc.

43 Joining function modules

43 Automatic point selection

44 Manual point selection, when should this be used

49 Saving/opening a strategy

53 Going On-line, logging in to target

53 Wiping memory

54 Downloading a strategy, sending the set-up

57 Testing a strategy

59 Uploading a strategy - when this should be done

62 Editing an uploaded strategy (i.e. a strategy without a drawing)

Exercises: Strategies to be done

Naming objects:

66 Naming points, setpoints


70

Reference Globals:

Local globals:

73 How they operate.

74 Point-to-point.

75 Editing local globals, local global dialog boxes.

75 Global number.

76 Point type.

76 Source controller, source point.

77 Destination controller(s), destination point.

77 Default values, service time.

Wide input/output globals, Arcnet globals:

81 How they operate

85 Editing wide output globals, wide output global dialog boxes.

88 Editing wide input globals, wide input global dialog boxes.

Arcnet global numbers.

95 Opening global files, _.cmn files.

93 Saving globals, _.cmn files.

On-line:

96 Deleting globals

97 Downloading local globals to UCC4.

Downloading wide input globals to UCC4.

Downloading wide output globals to UCC4.

100 Sending set-up to UCC4.

102 Viewing state of wide globals, testing wide globals.

Exercise: set up globals.


71

Introduction to the Engineering Tool

The Engineering Tool allows us to program Unitron universal controllers to carry out the

particular control function required of it. Graphical programming is used to implement these

control programs which we call strategies.

This means of programming ensures that complicated strategies can be quickly and efficiently

implemented.

This approach also allows ease of maintenance of the program in the future as a graphical

strategy is easy to follow and document.


72

Examples of strategies

This simple strategy is used to compare a hardware analog input into the controller with a user

defined analog setpoint in order to switch a hardware digital output.

Here the strategy has been altered by the addition of a timer module, this will allow greater

control over the output by setting the parameters of this module. To set the modules

parameters you must place your mouse pointer over the module and click on the right hand

mouse button.

Below is the resulting dialog box, in this case that an off delay of 20 seconds has been set for

the output.


73

Example 1:

Space temperature control of AHU heater battery

1. A temperature sensor located within the controlled space shall position a 3 port diverting

valve on the AHU battery to maintain the desired space temperature setpoint. Assume full

fresh air system, frost thermostat hardwired interlock to fan, fan enabled by BMS software

digital setpoint.

2. The control loop will be enabled when the fan is in the "Run" condition, the valve will be

set to the full bypass position when the fan is enabled.

3. Save this strategy as EXAMP1.STG.

Example 2:

Input calibration

1. On the first UC16 on the sub-net input 1 is a 0-10V signal. Design a small strategy to

rescale this input to match the 0-50 DegC settings shown on the dial.

2. Save this strategy as EXAMP2.STG.


74

Example 3:

Weather compensator

Design a weather compensator with a linear characteristic where the flow temperature of a

heating circuit is controlled by outside temperature.

When the outside temperature is -1 DegC the flow temperature should be 80DegC and when

the outside temperature is 20DegC the flow temperature should also be 20DegC. Limit the

flow temperature to 20 to 80 DegC.

0

10

20

30

40

50

60

70

80

-1 DegC 20 DegC

Example 4:

Weekly duty changeover

Two pumps are to be operated under weekly duty changeover. If either should trip during its

part of the cycle the other pump will take over.


75

Globals exercise

Download the completed strategies, Examp1.STG and Examp2.STG, to the

relevant controllers and set up a local global which will utilise the result of the

Examp2.STG as the setpoint in Examp1.STG.

Save this global as Exer1.CMN.

Section 11

Time schedules


77

UC16 time schedule

Refer to UC16 Programming Manual, page 105.

The UC16 time schedule is for use on stand alone controllers and can be adjusted by a keypad

or by a PC connected to the UC16.

There are two start and stop times available in each time schedule and these can be selected

for the entire week or for individual days.

In the above case the schedule has been arranged to operate on Mondays only with one start

and stop time; 8:30am to 5:30pm.

This means that the digital True Output point, 31, will be set during these times.


78

UCC4 Schedule Planner

Note: In order to edit a UCC4 time schedule, you must first define it in the Engineering

Tool.

Opening a UCC4 Time Schedule

To use the Schedule Planner you must first select which schedule you wish to edit.

Having done this select Time Schedule, this will give the following window:


79

Downloading the edited schedule to the UCC4

When the schedule has been downloaded it is automatically saved on the PC.

In order to test that the schedule is operating, it can be viewed in the Engineering Tool when

on-line.


80

Exercise

Implement the following simple strategy in the first UC16:

Digital output (point 16) will be switched on when either a digital input (point 8) or a UCC4

time schedule (schedule no.1) is enabled. The schedule should be sent to a digital setpoint in

the strategy by means of a local global.

Save this strategy as "Timeschd.stg"

Define schedule no.1 and set up the local global.

Set the on-off times for this schedule as Monday to Sunday, 8:00am to 6:20pm, then

download this schedule.

Test the schedule in the Engineering Tool.

What happens if the on-off time for today has already gone? Download times to test this.

Section 12

Alarm text


82

UCC4 alarm text

Refer to the UC16 Programming Manual, page 128 and the Engineer’s Guide, page 129.

In order to send Alarm string text to the UCC4 we must use the UCC4 Configuration program

as shown below.

This will display the following window:

From here the alarm strings required can be written and downloaded to the UCC4. When the

alarm occurs in the UC16 the UCC4 will send these alarm strings to the PC.

In order for Alarm scanning to be enabled on the PC it will have to be set up in the WN3000

Configuration.


83

The Alarm window that will appear on the PC after an alarm has occurred looks like:


84

Exercise:

Alter your previously written strategy "Timeschd.stg" by adding an alarm module, this should

go into alarm condition when the digital input (point 8) is closed.

The Alarm Priority should be 1 and the associated text should read:

"Boiler Trip, Plant room A" when the alarm is present

and

"Boiler Normal, Plant room A" when the alarm has ended.

Section 13

Datalogs


86

Datalogs

Refer to the UC16 Programming Manual, page 122 and the Engineer’s Guide, page 131.

From the Datalogs program we can now look at the datalog in the controller in text or graph

form by selecting Get a Datalog.

This results in the following window which allows you to choose which datalog you require

and how you wish to view it:


87

Exercise

Download a strategy to the second UC16 which will monitor the room temperature given by

the PT1000 sensor connected to input point 1 by means of a datalog with a 2 second sampling

period.

This datalog should be called "Room Temp DL"

Use the datalogs program to view this datalog in text and graph format.

Section 14

CCView and

CCDraw


89

Reference

• CCView, page 61, WN3000 Version 4 Software Manual.

• CCDraw, page 39, WN3000 Version 4 Software Manual.


90

CCDraw exercise

1. Paste the Bitmap provided from Windows Paintbrush into CCDraw.

Set up a Dynamic point to display the Room temperature from the strategy on the screen.

2. The strategy in the controller also contains a setpoint, alter the drawing so that the setpoint

can be displayed and changed from CCView.

3. The room temperature input to the controller is datalogged, demonstrate how this datalog

may also be accessed through CCView.

4. A door is required on the screen to access a drawing called "Demo1.DRW", implement

this door with a suitable description.

Documents

MAN-0024 Training Course Stage One.pdf