Tyco Integra Ci1 User manual

Energy Division

Installation and Operating Instructions

Integra Ci1

Crompton Instruments

The following symbols may appear in this user guide, and may also be affixed to the products

discussed in this guide:

Symbol Description

Earth terminal

Protective conductor terminal

Caution, Risk of electric shock

Caution, Refer to accompanying text

2 Integra Ci1 User Manual Issue 2 April 2010

Contents

1Introduction 5

1.1 Unit Characteristics..................................................................5

1.2 Current Transformer Primary Current......................................5

1.3 RS485 Serial Option Modbus™ or JC N2Protocol...................5

1.4 Pulse Output Option.................................................................5

2Start Up Screens 6

3Measurement Mode 6

4Setting-Up 7

4.1 Setup Entry Methods ...............................................................8

4.1.1 Menu Option Selection.......................................................8

4.1.2 Number Entry Procedure ...................................................8

4.2 Change Password....................................................................9

4.3 Supply System.........................................................................9

4.4 CT..........................................................................................10

4.5 Reset......................................................................................10

4.6 Communications....................................................................11

4.7 Relay Pulse Output................................................................13

4.8 Energy Units and 1% Limit.....................................................15

4.9 Test........................................................................................16

4.10 Version Information................................................................18

5Specification 19

5.1 Measurement Inputs ..............................................................19

5.1.1 Range of Use...................................................................19

5.2 Accuracy................................................................................19

5.3 Auxiliary Supply .....................................................................19

5.4 Option Modules......................................................................20

5.4.1 Pulse Relay Outputs ........................................................20

5.4.2 RS485 Output for Modbus™ or JC N2 Protocol .............20

5.5 Reference Conditions of Influence Quantities........................20

5.6 Environment...........................................................................21

5.7 Mechanics..............................................................................21

5.8 Approval, Certification, and Standards Compliance...............21

6Maintenance 22

7Installation 22

7.1 Safety.....................................................................................22

7.2 EMC Installation Requirements .............................................23

7.3 Case Dimensions and Panel Cut-Out....................................24

Crompton Instruments

7.4 Wiring.....................................................................................25

7.5 Additional considerations for three wire systems...................25

7.6 Auxiliary Supply......................................................................25

7.7 Fusing.....................................................................................25

7.8 Earth/Ground Connections.....................................................25

7.9 Connection Diagrams.............................................................26

7.10 RS485 and Modbus™ or JC N2 Protocol...............................27

7.11 Operation Check ....................................................................27

8Glossary 28

9Index 29

Important safety information is contained in the Maintenance section.

Familiarise yourself with this information before attempting installation

or servicin

of the unit.

4 Integra Ci1 User Manual Issue 2 April 2010

Crompton Instruments 1.Introduction 1.1.Unit Characteristics

1 Introduction

This document provides operating, maintenance and installation instructions for the Crompton

Instruments Integra Ci1 energy meter. The unit displays imported or exported real and reactive

energy, since it was last reset, in terms of Wh, kWh, MWh, VArh, kVArh and MVArh for single

phase, three-phase 3-wire or three-phase 4-wire supplies. In order to measure energy, the unit

requires voltage and current inputs in addition to the supply required to power the unit. The current

input(s) are obtained via current transformers (CTs).

The unit can be configured to work with a wide range of CTs, giving the unit a wide range of

operation. Option modules can be fitted to provide pulse and RS485 Modbus™/JC N2 outputs.

Configuration is password-protected.

The unit can be powered from a separate auxiliary a.c. (or d.c.). Alternatively it can be powered

from the monitored supply where appropriate.

1.1 Unit Characteristics

•Active Energy (Wh, kWh or MWh)

•Reactive Energy (VArh, kVArh or MVArh)

The unit has password-protected set-up screens for:

•Changing password.

•CT primary current (1 to 9999A)

•Energy reading reset

•Pulse output duration and rate divisor (option)

•RS485 serial Modbus™ or JC N2 format (option)

Pulsed relay outputs, indicating energy, and an RS485 output are available as optional extras. The

RS485 output option allows remote monitoring from another display or a computer.

1.2 Current Transformer Primary Current

The unit can be configured to operate with CT primary current of between 1 and 9999A. Maximum

CT primary current corresponds to a maximum input current to the unit of 5A.

1.3 RS485 Serial Option Modbus™ or JC N2Protocol

This option uses an RS485 serial port with Modbus™ or Johnson Controls (JC) N2 protocol to

provide a means of remotely monitoring and controlling the Ci1 unit. Both protocols are supported

in the same unit. Full instructions for RS485 port can be found in Section 4.6.

1.4 Pulse Output Option

This option provides one or two relay pulse outputs that clock up measured active (Wh) or reactive

(VArh) energy. The unit can produce one pulse for preset quantity of energy imported or exported.

Pulse rate divisor and width are configured from the Set-up menu, as detailed in Section 4.7.

Integra Ci1 User Manual Issue 2 April 2010 5

2.Start Up Screens Crompton Instruments

2 Start Up Screens

The first screen lights all LED segments and can be used as a

display LED check.

The second screen indicates the firmware installed in the display

unit. This example shows a version number of 10.06.

Next the unit performs a self-test and the screen indicates if the test

is passed.

After a short delay, the default measurement screen appears.

3 Measurement Mode

In measurement mode, the buttons control the displayed measurement as follows:

Displays the maximum current that can be monitored. This

reading is set on installation according to the current

transformer in use. The small ‘A’ on the bottom line indicates

that the display is showing Amperes.

Displays active energy measured since the unit was last reset.

The display alternates between Imported and Exported energy

each time the button is pressed. The bottom line of the display

shows the import/export mode and the Wh, kWh or MWh range.

The and/or symbol on the top line flashes each time

an output pulse is generated.

Displays reactive energy measured since the unit was last

reset. The display alternates between Imported and Exported

reactive energy each time the button is pressed. The bottom

line of the display shows the import/export mode and the VArh,

kVArh or MVArh range. The and/or symbol on the

top line flashes each time an output pulse is generated.

This display indicates the phase sequences of the measured

voltages and currents, allowing a check that they are connected

correctly. The sequence can be 123 or 132 but voltage (V) and

current (I) sequences must be the same. A ‘V1--‘ or ‘I --‘

display indicates a phase error of voltage or current,

respectively.

The top line of the display indicates the type of supply being monitored:

Single phase 3-phase 3-wire 3-phase plus N (4-wire)

The blue man flashes to indicate that energy for the currently displayed parameter is being

accumulated.

6 Integra Ci1 User Manual Issue 2 April 2010

Crompton Instruments 4.Setting-Up

4 Setting-Up

To enter set-up mode, firmly press the and buttons simultaneously and hold for about

5 seconds until the password screen appears. Setting-up is password-protected so

you must enter the correct password (default ‘0000’) before proceeding. If an incorrect password

is entered, the display reverts to measurement mode.

To exit setting-up mode, press repeatedly until the measurement screen is restored or hold

and buttons simultaneously for 5 seconds.

Setup Menu Structure

Change password

nnnn 4-digit number – default ‘0000’

Supply system

3-phase 4-wire

3-phase 3-wire

single phase

CT Set maximum current that can be monitored according to CT in use.

nnnn – 4-digit number 0001 to 9999.

Reset Resets cumulative energy measurement to zero.

Communication parameters for RS485 interface

Modbus™ protocol

Baud rate 2400/4800/9600/19200/38400

Parity none/odd/even

Stop bits 1 (1 or 2 if parity is None)

RS485 network address nnn – 3-digit number 1 to 247

Order –Norm/Rev Indicates if Modbus™ word order is normal or reversed.

Johnson Controls (JC) N2 protocol

RS485 network address nnn – 3-digit number 1 to 255

Relay pulse outputs

OP1 kWh/kVArh (Active/reactive) Import or Export from output module 1

OP2 kWh/kVArh (Active/reactive) Import or Export from output module 2

Rate 0.001/0.01/0.1/1/10/100/1000/10,000 kWh or kVArh per pulse

Pulse width 200/100/60 ms.

Energy

Unit/kilo/Mega

1% limit on/off

Test Phase sequence (V123 I123)

Display on – all elements on to check display

dISTG Display toggle – Each element is turned on and off alternately.

SFS Build number

SFH Firmware version

Integra Ci1 User Manual Issue 2 April 2010 7

4.Setting-Up 4.1.Setup Entry Methods Crompton Instruments

4.1 Setup Entry Methods

Some menu items, such as password and CT, require a four-digit number entry while others, such

as supply system, require selection from a number of options.

4.1.1 Menu Option Selection

1. Use the (up) and (down) keys to select the required item from the menu shown in

Section 0. Selection does not roll over from bottom to top of list or vice versa.

2. Press (enter) key to confirm your selection.

3. If an item flashes (shown red on these pages), then it can be adjusted by the and

keys. If not, there may be a further layer, e.g. Comms - Baud rate, before adjustment is

possible. Press to select the lower layer.

4. Having selected an option from the current layer, press to confirm your selection. The

SET indicator will come on.

5. Having completed a parameter setting, press (back) to return to a higher menu level.

The SET indicator will extinguish and you can then use the and keys for further

menu selection.

6. On completion of all setting-up, repeatedly press to return to the measurement screen.

4.1.2 Number Entry Procedure

When setting-up the unit, some screens require the entering of a number. In particular, on entry to

the setting-up section, a password must be entered. Digits are set individually, from left to right.

The procedure is as follows:

1. The current digit to be set flashes (shown red on these pages) and is set using the

and keys.

2. Press to confirm each digit setting. The SET indicator comes on to confirm successful

entry after the last digit has been set.

3. After setting the last digit, press to exit the number setting routine. The SET indicator

will extinguish.

8 Integra Ci1 User Manual Issue 2 April 2010

Crompton Instruments 4.Setting-Up 4.2.Change Password

4.2 Change Password

1. Use and to choose the Change Password option.

2. Press to enter the change password routine. The New

Password screen will appear with the first digit flashing.

3. Use and to set the first digit and press to confirm

your selection. The next digit will flash.

4. Repeat the procedure for the remaining three digits.

5. After setting the last digit, the SET indicator will light.

6. Press to exit the number setting routine and return to the Set-

Up menu. The SET indicator will extinguish.

4.3 Supply System

Use this section to set the type of power supply being monitored.

1. From the Set-up menu, use the and keys to select the

System option. The screen will show the currently selected supply

option.

2. Press to enter the Supply Selection routine.

3. Use the and keys to select the required system option:

3-phase 4-wire 3-phase 3-wire single phase

4. Press to confirm your selection. SET indicator will appear.

5. Press to exit the system selection routine and return to the

menu. The SET indicator will extinguish and you will be returned to

the main Set-Up menu.

Integra Ci1 User Manual Issue 2 April 2010 9

4.Setting-Up 4.4.CT Crompton Instruments

4.4 CT

The CT option sets the maximum primary current of the current transformer (CT) that will give 5A

into the meter (the maximum).

1. From the Set-up menu, use the and keys to select the

CT option. The screen will show the current CT primary current

value. An ‘A’ on the bottom line indicates that the reading is in

Amperes.

2. Press to enter the CT routine. The first digit will flash.

3. Use the method described in Section 4.1.2 to set the 4-digit number to the maximum CT

primary current, e.g. 500A.

4. On completion of the entry procedure, press to return to the

main Set-up menu.

4.5 Reset

Use this option to restart energy measurements (kWh, kVArh) from zero.

1. From the main Setup menu, use the and keys to

display the Reset screen.

2. Press . ‘hour’ will flash.

3. To reset the energy readings, press . SET will be

displayed and ‘hour’ will stop flashing.

4. Press to exit the Reset routine. SET will extinguish and

you will be returned to the main Set-up menu.

10 Integra Ci1 User Manual Issue 2 April 2010

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