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CI-3K51101 Integra Ci3 User Manual

1. Installation and Operating Instructions Integra Ci3 Crompton Instruments The following symbols appear in this user guide and may also be affixed to the products discussed in this guide Symbol Description il Earth terminal A Caution Risk of electric shock A Caution Refer to accompanying text 2 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments Contents 1 introduction 5 1 1 Unit Characteristics ccccccccccececssessseceeeeeeesesssesnneeeeeeeeeneess 5 1 2 Current Transformer Primary Current sssseessseeeesssrrneererenesee 5 1 3 RS485 Serial Option Modbus or JC N2Protocol 5 6 1 4 Pulse OUTPUT Optio kareao e n e ai 6 2 Start Up Screens 7 3 Measurement Mode 3 1 Display Mode Screen Sequence cccceceeeeeeeeeeeeeeeeeeeeteeeees 9 4 Setting Up 10 4 1 Setup Entry Methods ccccsecccceceeeeeeseeseeeeeeeeeessssesnaaees 10 4 1 1 Menu Option Selection cccccecceeeeseeeeeeeeeeeeeeeeeeseeeees 10 4 1 2 Number Entry Procedure cccceeeeeeeseeeeeceeeeeeeeeeees 10 4 2 Setup Menu Structure ccceccceeeeesceeeeeeeeeeeeeeeseeeeeeeeeeeeees 12 4 3 Change PASS WON ctecon cc edits eects teen Aen ied ae ents cade Seeettad 13 4 4 Supply SYSTOIN s iste cesstgekiateecenraae late leeds ea 13 4 5 CT EAE E E enecenevta EE S A 14 4 6 Demand Integration Time sseesseeeeesseseeeeeresesrerrrrrresssrerrenna 15 4 7 DER E E A E EE E
2. v From the Set up menu use the m and Wii keys to select the CT 1 option The screen will show the current CT primary current value An A to the right indicates that the reading is in Amperes 14 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 4 Setting Up 2 Press i to enter the CT routine The first digit will flash Use the method described in Section 4 1 2 to set the 4 digit number to the maximum CT 3 primary current e g 500A lt 4 On completion of the entry procedure press ULH to return to the main Set up menu 4 6 Demand Integration Time The Demand Integration Time dIT option sets the period over which the current and power readings are integrated for maximum demand measurement v From the Set up menu use the m and W i keys to select the dIT 1 option The screen will show the current demand integration time in minutes v 2 Press to enter the demand integration time routine v Use the ain and Wi keys to select the required integration time 60 60 minutes 30 30 minutes 20 20 minutes 3 15 15 minutes 10 10 minutes 8 8 minutes 5 5 minutes OFF No demand integration time CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 15 4 Setting Up Crompton Instruments 4 Press a to confirm your selection SET indicator will appear lt 5 Press ULH to return to the main Set up m
3. SLS CE SVVGCVY CE SVYGVLVy CE S1 bat S1 l T a L1 L1 A P1 m L1 L2 sid LOAD Lg i IGD i LOAD L3 Pi L3 P1 N 3 phase 3 wire 3 phase 4 wire Single phase 2 wire 7 10 RS485 and Modbus or JC N2 Protocol An optional RS485 module can be plugged into the rear of the Integra Ci3 RS485 in conjunction with the Modbus or JC N2 protocol allows the unit to be interrogated and provide a response detailing the readings it has taken This can be used for remote monitoring by a PC or SCADA system An RS485 and Modbus Protocol Guide is available for download from the Crompton Instruments web site at http www crompton instruments com downloads Ri3_Ci1_Ci3_comms_guide_v1 pdf RS485 or Relay Module Relay Module gt _ _ end gt q R A q W N B Lu ecw fe m e Relay RS485 Relay connections connections connections Plan view of option modules fitted 36 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 7 11 Operation Check After installation use the test display to check for incorrect wiring of the voltage and current transformer inputs The displayed voltage V and current 1 sequences must be the same but can be 123 or 132 In the event of a voltage phase error e g the same phase connected to two meter inputs the display will show V7 In the event o
4. Direct measurement of 173 to 500Vac L L 100 to 289Vac L N Line frequency measured from L1 voltage or L3 voltage Three current inputs six physical terminals for connection of external CTs 5 1 1 Range of Use Values of measured quantities components of measured quantities and quantities which affect measurement errors to some degree for which the product gives meaningful readings Voltage 5 120 of Range Maximum below 5 of Range Maximum voltage current indication may only be approximate Current 1 120 of nominal Active power 1 144 of nominal 360MW maximum Apparent power 1 144 of nominal 360MVA maximum Power is only registered when voltage and current are within their respective range of use 5 2 Accuracy Voltage V 0 5 of range maximum Current A 0 5 of range maximum 4 for 12 in three wire mode Neutral Current calculated A 4 of range maximum Frequency Hz 0 11Hz Power factor PF 1 of unity Active power W 1 of range maximum Reactive power VAr 1 of range maximum Apparent power VA 1 of range maximum Active energy Wh Class 1 IEC 62053 21 Section 4 6 Reactive energy VARh 1 of range maximum THD 1 up to 31 harmonic Response time to step input 1 second typical to gt 99 of final value Temperature co efficient Active energy 0 018 C typical Error change due to variation of an influence quantity inthe 2 x error allowed for the reference condition applied i
5. 8 minutes 5 minutes OFF Select from ALL Reset all counters hour Reset kWhr amp kVAhr counters dMd Reset demand counters dIT Demand Interval Time RSET Reset COMS Communications PROT Protocol Enter password value between 0000 9999 Select from Modb Modbus N2 Johnson Controls bAUd Baud rate PARI Parity STOP Stop bits Addr Address Selectfrom lt lt 1 2 Ordr Floating point number byte order Enter Address value between 1 247 Displays either Norm Normal Rev Reverse RLY Relay kK OP1 Assign Relay Ouput 1 Select from NONE KWh kWhr output KVAr kVAhr output OP2 Assign Relay Ouput 2 Select from NONE KWh kWhr output Ar kVAhr output RATE Pulse rate PULS Pulse Width NRGY Energy Select between KILO MEGA Select between dISP ON Tests all display LCD Segments dISP TOGL Toggle LCD display test PHAS SEQ Tests wiring connections SOFT Displays software version number CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 4 Setting Up 4 3 Change Password v 1 Use m and W i to choose the Change Password option S P 9 Press to enter the change password routine The New Password screen will appear with the first digit flashing v a 3 Use ma and W
6. Case Dimensions and Panel Cut Out 59 1 Basic product 96 0 Cutout Details 96 0 2 0 N00 k Option module fitted FRONT VIEW os 83 6 SIDE VIEW 34 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 7 4 Wiring Input connections are made to screw clamp terminals Choice of cable should meet local regulations The current inputs of these products are designed for connection into systems via current transformers only Instrument transformers used for connection to the meter must be of approved type and compliant with ANSI IEEE C57 13 or IEC 60044 1 selected and sized appropriate to the supply network being monitored To minimise measurement errors the CTs should be grounded as shown in the wiring diagram in Section 7 9 CT secondaries must be grounded in accordance with local regulations It is desirable to make provision for shorting links to be made across CTs to permit easy replacement of a unit should this ever be necessary All negative current inputs are commoned inside the unit and grounding should be at one point only All connections are made to screw clamp terminals Terminals are suitable for copper wires only and will accept one 0 05 2 5mm 30 21AWG stranded or solid core cable This instrument is intended for panel mounting Terminals must be enclosed within the panel Use wire rated at 600V for main terminals 60 C m
7. EEE E EEEE 16 4 8 COMMUMICATONS ccs cach ciaasts lentes iaaiieGaneuneas 17 4 9 Relay Pulse Output sasoccis ciesesissadaaencdebeeddaretkenvtesevaeasTerenPeaele 22 4 10 Energy UNITS cesis i aaaea tly A AANDE eae Ea Eaa 26 LIT TeSt E E A E 27 4 12 Version Information ccccccccccccecccececcececeeceeeeeeseeeseeeseeeseneees 29 5 Specification 30 5 1 Measurement Inputs n2cirecccspess gylesaes cedenes a lacethlareeaniegecsgeueenadet 30 5 1 1 Range Of USE ainiin aa Raia rea a 30 5 2 PCCURACY iiini aa a ea A EARE KARE TaS 30 5 3 Au iliary SUPPLY ere ei cesses gases nezetesdbedesesee eavehdeveendes gy ateeesoautaes 31 5 4 Option Modules iesire eadi iee aa E Reo Eia 31 5 4 1 Pulse Relay Outputs ccsc tisosecesincstnavecencauvvnsdntaavanndonacoes 31 5 4 2 RS485 Output for Modbus or JC N2 Protocol 31 5 5 Reference Conditions of Influence Quantities 32 5 6 ENVIrONnMe ntivccsiectiieninsncesnaettiads aindenkecet each acecetavantasswiamaeitees 32 5 7 MOGCHANICS i122 S08 a e tacos faded ea anastasia 32 5 8 Approval Certification and Standards Compliance 32 6 Maintenance 33 7 Installation 33 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 7 1 Safely ea TE EE E E E R 33 7 2 EMC Installation Requirement ccccceeeeeseeeeeeeeeeeeeeeeees 33 7 3 Case Dimensions and Panel Cut Out cceseeeeeeeeeeeee 34 7 4 Winn gee ia terns ceca ce ette attack ta enptan
8. Frequency Frequency Frequency Volts L1 N THD Volts L2 N THD Volts L3 N THD Volts L1 L2 THD Volts L2 L3 THD Volts L3 L1 THD Current L1 Current L2 Current L3 Volts L1 L2 THD Volts L2 L3 THD Volts L3 L1 THD Current L1 Current L2 Current L3 Volts L1 THD Current L1 Neutral Current L1 Current Max Demand L2 Current Max Demand L3 Current Max Demand L1 Current Max Demand L2 Current Max Demand L3 Current Max Demand L1 Current Max Demand Neutral Current Max Demand Current L1 THD Current L1 THD Current L1 THD Current L2 THD Current L2 THD Current L3 THD Current L3 THD kW kW kW kVAr kVAr kVAr kVA kVA kVA kW Max Demand kW Max Demand kW Max Demand Power Factor kWh Power Factor kWh Power Factor kWh kVArh kVArh kVArh The top line of the screen displays E and or uA symbols which flash each time an output pulse is generated Additionally a coms symbol will flash to show RS485 activity CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 4 Setting Up Crompton Instruments 4 Setting Up Setting up of the Integra Ci3 digital meter may be carried out by using eit Integra Ci3 digital meter Configurator software The Integra Configurator line guide which can be downloaded from www crompton instruments co required setting up parameters may be manipulated directly via the RS4 interface The following se
9. i 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 lt At any point during the number entry procedure press ULH to step 5 back a digit or by repeated pressing step back out of the Change Password screen without saving your changes 6 After setting the last digit the SET indicator will light lt 7 Press ULI to exit the number setting routine and return to the Set Up menu The SET indicator will extinguish 4 4 Supply System Use this section to set the system type of the supply being monitored v From the Set up menu use the m and W i keys to select the 1 System option The screen will show the currently selected system type CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 13 4 Setting Up Crompton Instruments 2 Press alas to enter the Supply Selection routine v Use the m and W i keys to select the required system type 3 phase 4 wire 3 phase 3 wire single phase Pr 4 Press to confirm your selection SET indicator will appear Press ULH to exit the system selection routine and return to the 5 menu The SET indicator will extinguish and you will be returned to the main Set up menu 4 5 CT The CT option sets the maximum primary current of the current transformer CT that will give 5A into the meter the maximum
10. the measured phase relationships must be within the following parameters If for instance a current transformer were to be reverse connected the phase of the measured current for that phase would be out be 180 out and the display would indicate a current phase error Three phase four wire mode Measurements are referenced from L1 Voltage For the voltage sequence test the phase of L2 relative to L1 must be within the window 240 48 and L3 relative to L1 must be within the window 120 48 to record the sequence V123 Alternatively the phase of L2 relative to L1 must be within the window 120 48 and L3 relative to L1 must be within the window 240 48 to record the sequence V132 The display shows V1 if a voltage phase is outside these parameters Current For the current sequence test the phase of l1 relative to L1 must be within the window 0 48 I2 relative to L1 must be within the window 240 48 and 13 relative to L1 must be within the window 120 48 to record the sequence i123 Alternatively the phase of I1 relative to L1 must be within the window 0 48 2 relative to L1 must be within the window 120 48 and I3 relative to L1 must be within the window 240 48 to record the sequence i132 The display shows I if a current phase is outside these parameters Three phase three wire mode Measurements are referenced from L1 L2 28 CI 3K51101 Integra Ci3 User Manual R
11. to return to a higher menu level The v SET indicator will extinguish and you can then use the and W i 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 v and keys 10 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 4 Setting Up 2 Press i to confirm each digit setting The SET indicator comes on to confirm successful entry after the last digit has been set 3 To step back a digit to correct a mistake press the WLU key Pr 4 After setting the last digit press to exit the number setting routine The SET indicator will extinguish CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 11 4 Setting Up 4 2 Setup Menu Structure Main Screen 12 Password Entry First Level Second Level Crompton Instruments Third Level CHNG PASS Change Password NPWd New password SYS System Configuration CT Primary CT Enter Primary CT Value 0001 9999 Amps Select from 60 minutes 30 minutes 20 minutes 15 minutes 10 minutes
12. 8 4 Power Factor The magnitude of Per Phase Power Factor is derived from the per phase active power and per phase reactive power The power factor value sign is set to negative for an inductive load and positive for a capacitive load The magnitude of the System Power Factor is derived from the sum of the per phase active power and per phase reactive power Individual phases whose apparent power is less than 3 of nominal are not included in power factor determinations The system power factor value sign is set to negative for an inductive load and positive for a capacitive load The load type capacitive or inductive is determined from the signs of the sums of the relevant active powers and reactive powers If both signs are the same then the load is inductive if the signs are different then the load is capacitive The magnitude of the phase angle is the ArcCos of the power factor Its sign is taken as the opposite of the VAr s sign CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 37 8 Basis of measurement and calculations Crompton Instruments 8 5 Maximum Demand The maximum power consumption of an installation is provided as power utilities often levy related charges Many utilities use a thermal maximum demand indicator MDI to measure this peak power consumption An MDI averages the power consumed over a number of minutes reflecting the thermal load that the demand places on the supply system The Integra Ci3 digital meter uses a sli
13. Integra Ci3 User Manual Rev 11 Sep 2011 19 4 Setting Up Crompton Instruments v Use the m and W i keys to select the desired parity option from None Even and Odd Pr Press to confirm your selection SET will be displayed lt Press ML to exit parity setting routine The SET indicator will v extinguish and the m and Wi keys can be used to select a different communications parameter Stop Bits not applicable for JC N2 Note that if Parity is set to Odd or Even Stop Bits will be set to 1 and cannot be changed v Use the ma and W i keys to select the Stop Bits option Press i to enter the Stop Bits setting routine The parameter value will flash 20 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 4 Setting Up v Use the m and Wi keys to select either 1 or 2 stop bits Press Fi to confirm your selection SET will be displayed lt Press ULH to exit Stop Bits setting routine The SET indicator v will extinguish and the ma and lili keys can be used to select a different communications parameter RS485 Address An RS485 network can accommodate up to 255 different devices each identified by an address between 1 and 247 Modbus or 1 and 255 JC N2 v Use the m and Wi keys to select the Address option Press a to enter the Address setting routine The first digit will flash Use the method described in Section 4 1 2 to set the 3 digit address to the required numb
14. and external installation provisions must be sufficient to prevent hazards under fault conditions This unit is not intended to function as part of a system providing the sole means of fault protection good engineering practice dictates that any critical function be protected by at least two independent and diverse means The unit does not have internal fuses therefore external fuses must be used for protection and safety under fault conditions Never open circuit the secondary winding of an energized current transformer This product should only be operated with CT secondary connections Earthed If this equipment is used in a manner not specified by the manufacturer protection provided by the equipment may be impaired Auxiliary circuits communication amp relay outputs are separated from metering inputs and 110 400V auxiliary circuits by at least basic insulation Such auxiliary circuit terminals are only suitable for connection to equipment which has no user accessible live parts The insulation for such auxiliary circuits must be rated for the highest voltage connected to the instrument and suitable for single fault condition The connection at the remote end of such auxiliary circuits should not be accessible in normal use Depending on application equipment connected to auxiliary circuits may vary widely The choice of connected equipment or combination of equipment should not diminish the level of user protection specified 7 3
15. ctions give step by step procedures for config digital meter using the front panel To enter set up mode firmly press the UL and al buttons simultaneously and hold for approximately 5 seconds until the password screen appears Setting up i assword protected so you must enter the correct password default 0000 before proceeding If an incorrect password is entered the dehla reverts to measurement mode To exit setting up mode press i repeatedly until the measurement screen is restored or hold and Fi buttons simultaneously for 5 seconds 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 g 1 Use the m up and down keys to select the required item from the menu shown in Section 4 2 Selection does not roll over from bottom to top of list or vice versa 2 Press M3 enter key to confirm your selection v 3 If an item flashes shown red on these pages then it can be adjusted by the ma and keys If not there may be a further layer e g Comms Baud rate before adjustment is possible Press m to select the lower layer 4 Having selected an option from the current layer press to confirm your selection The bottom row will indicate SET to confirm the value has been set to the desired value 5 Having completed a parameter setting press V Hz back
16. ding window algorithm to simulate the characteristics of a thermal MDI instrument with the demand period being updated every minute Demand Integration Times can be set to Off 5 8 15 20 30 or 60 minutes Maximum Demand is the maximum power or current demand that has occurred since the unit was last reset This is maintained as a continuous record of the highest demand value that has been reached Note During the initial period when the sliding window does not yet contain a full set of readings i e the elapsed time since the demands were last reset or the elapsed time since the Integra Ci3 digital meter was switched on is less than the selected demand integration time then maximum demands may not be true due to the absence of immediate historical data With the Demand Integration Time set to Off the Maximum Demand values become Maximum values as no averaging is performed on the measured parameters 8 6 Total Harmonic Distortion The calculation used for Total Harmonic Distortion is THD RMS of total waveform RMS of fundamental RMS of total waveform x 100 This is often referred to as THD R and lies in the range 0 to 100 THD measurement is subject to the range of use limits The Integra Ci3 digital meter may give erratic or incorrect readings where the THD is very high and the fundamental is essentially absent For low signal levels the noise contributions from the signal may represent a significant p
17. e ele Aaccead a 35 7 5 Additional considerations for three wire systems 00 35 7 6 Auxiliary Supply sso vcgeatuas ee sesenegtaas cd eadeaecth ouveacse uetecesauasedottes 35 7 7 FUSING n eea AE EEE AE A ten R aE aTa 35 7 8 Earth Ground ConnectionS essseeeseesereesrtrrssrrrnrrrrnneresnne 36 7 9 Connection DiagramS ssesseeessseresserrrnterrnrtesrrrrsserrrnrerrne 36 7 10 RS485 and Modbus or JC N2 Protocol sssseeeseeeeeeeeeeee 36 7 11 Operation Check ses xcs necins test nctdese Sanbiaeietendaulatastenteuacteendte necks 37 8 Basis of measurement and calculations 37 8 1 Phase to Phase VOlaQeS cecccics etusiacneeeertends iets 37 8 2 Reactive and Apparent POW6 cccccccceseeeecceeeeeeeeeeeeees 37 8 3 Energy resolution 77 25 yistsce tei Mecssdeuel ciudad once ay aatheacsmdeeemmeere 37 8 4 Power Factliicccnticcviieuieten a e A E a a 37 8 5 Maximum Demand ccccccccccccecccecceeeceeeececeeeeeeeeeeeeeeeeseess 38 8 6 Total Harmonic Distortion xpecccseresscederendoecedadee laces pions lemayert senders 38 9 Glossary 39 10 Index 40 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 1 Introduction 1 Introduction This document provides operating maintenance and installation instructions for the Crompton Instruments Integra Ci3 digital meter The unit measures and displays all major electrical and power quality parameters including imported real and reactive energy sinc
18. e 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 these parameters 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 e Individual Line to Neutral 4 wire and 2 wire only and Line to Line voltages e Line frequency e Individual line voltage THD e Individual line currents e Neutral current calculated e Individual line current maximum demand e Individual line current THD e Active Power e Reactive Power e Apparent Power e Maximum Active Power Demand e Power Factor e Active Energy Wh kWh or MWh e Reactive Energy VArh kVArh or MVArh The unit has password protected set up screens for e Changing password e System type selection e CT primary current 1 to 9999A e Demand interval time e Energy reading reset e Pulse output duration and rate divisor option e RS485 serial Modbus or JC N2 format option P
19. enu 4 7 Reset Use this option to reset Demand dMd and Energy kWh kVArh measurements either individually or all together to zero v From the main Setup menu use the m and keys to select the Reset option Press to enter the Reset sub menu The dMd segment will flash v Using the ma and luli keys select which parameter you wish to reset Demand counters kWh and kVArh counters All counters 16 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 4 Setting Up Press to reset the selected parameter RSET will be displayed and the chosen parameter will stop flashing lt Press ULH to exit the Reset routine RSET will extinguish and you will be returned to the main Set up menu 4 8 Communications The RS485 port can be used for communications using either Modbus or Johnson Controls JC N2 protocol For Modbus parameters such as Baud rate are selected from the front panel whereas for JC N2 they are fixed The RS485 address can be selected for both protocols The first section allows you to select either Modbus or JC N2 configuration v From the main Setup menu use the tal and Wii keys to display the Communications screen Press 5 The Format screen will appear showing the current format ModB or N2 To change the format press M The format will flash CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 17 4 Setting Up Crompton Ins
20. er between 1 and 247 for Modbus or 1 and 255 for JC N2 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 21 4 Setting Up Crompton Instruments Modbus Word Order not applicable for JC N2 This screen shows the word order Hi Lo of the 8 bit bytes in the Modbus message format Normal is Hi first This screen is for information purposes only as this setting cannot be changed from the front panel Not applicable for JC N2 format lt Press UL to exit the Communications set up screens and return to the main Set up menu 4 9 Relay Pulse Output This option allows you to configure one or two optional pulse outputs from the unit Each output can be set to provide a pulse for a defined amount of energy imported The energy monitored can be active or reactive and the pulse width can be select as 200 100 or 60 ms The defined energy per pulse will be the same for both outputs Maximum output pulse rate is two pulses per second and the system prohibits setting of an energy per pulse that will give a pulse rate greater than this For example on a single phase two wire system a CT setting of 900A with a maximum 289V supply with 120 overload on both current and voltage implies a maximum energy imported in an hour of 900 x 120 x 289 x 120 375 kWh which is 104 W seconds A setting of 10Wh per pulse would generate 10 pulses per second Since this exceeds 2 s the unit would not allow such a settin
21. ev 11 Sep 2011 Crompton Instruments 4 Setting Up Voltage For the voltage sequence test the phase of L2 L3 relative to L1 L2 must be within the window 240 48 and L3 L1 relative to L1 L2 must be within the window 120 48 to record the sequence V123 Alternatively the phase of L2 L3 relative to L1 L2 must be within the window 120 48 and L3 relative to L1 L2 must be within the window 240 48 to record the sequence V132 The display shows V1 if a voltage phase is outside these parameters Current For the current sequence test the phase of l1 relative to L1 L2 must be within the window 330 48 12 relative to L1 L2 must be within the window 210 48 and I3 relative to L1 L2 must be within the window 90 48 to record the sequence i123 Alternatively the phase of l1 relative to L1 L2 must be within the window 330 48 12 relative ithin the window 90 48 and I3 relative to L1 L2 must be within the to record the sequence i132 if a current phase is outside these parameters ormation p menu shows the firmware and hardware build version of the unit This example shows a hardware version of 1 030 and a firmware version of 32 76 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 29 Crompton Instruments 5 Specification 5 Specification 5 1 Measurement Inputs Imported energies are recorded 3 Phase 4 Wire 3 Phase 3 Wire and Single Phase 2 Wire Unbalanced
22. ext the unit performs a self test and the screen indicates if the test is passed After a short delay the default measurement screen appears CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 7 3 Measurement Mode Crompton Instruments 3 Measurement Mode In measurement mode the buttons control the displayed measurement as follows Pressing this button cycles the display through the available Voltage and Frequency parameter screens The specific parameters displayed are determined by the selected System Type Three Phase Three Wire Three Phase Four Wire or Single Phase Two Wire see Section 3 1 Pressing this button cycles the display though the available Current parameter screens Specific parameters displayed are determined by the selected System Type This key is used to select and cycle through the System Power and Power Factor parameter screens Cycles between Active import and Reactive import energy screens The number displayed is split over two lines In this example the active energy displayed is 0000092 5 kWh The EA and or IL 2 symbol on the top line flashes each time an output pulse is generated 8 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 3 1 Display Mode Screen Sequence P PF ag 3 Measurement Mode Volts L1 N Volts L1 L2 Volts L1 Volts L2 N Volts L2 L3 Volts L3 N Volts L3 L1 Volts L1 L2 Volts L2 L3 Volts L3 L1
23. f a current phase error e g a current transformer reverse connected or connected to the wrong phase the display will read If the display shows an identical V and sequence 123 or 132 check that the meter gives the correct forward and reverse indications An incorrect forward reverse indication means that all current transformer connections are reversed The meter has a defined tolerance for displaying phasing errors see Section 4 11 8 Basis of measurement and calculations 8 1 Phase to Phase voltages Phase to Phase voltages are measured directly and calculated as RMS values Situations where the phases are not spaced 120 degrees apart e g 4 wire open delta are indicated correctly 8 2 Reactive and Apparent Power Active powers are calculated directly by multiplication of voltage and current samples Reactive powers are calculated using the frequency corrected quarter phase time delay method Apparent power is calculated as the square root of the sum of the squares of active and reactive powers 8 3 Energy resolution Cumulative energy counts are reported using the standard IEEE floating point format Reported energy values in excess of one million may show a small non cumulative error in the integer digits due to the limitations of the number format Internally the count is maintained with greater precision The reporting error is less than 1 part per million and is automatically corrected when the count increases
24. g Use this section to set up the relay pulse output s Output 1 off import kWh import kVArh Output 2 off import kWh import kVArh Rate for both 0 001 0 01 0 01 0 1 1 10 100 1000 10 000 kilo pulse Pulse width for both 200 100 60 ms v From the main Setup menu use the m and W i keys to display the Relay screen Press M38 The Output 1 screen will appear v From here the ma and lii keys can be used to select menus for Output 1 Output 2 Rate and Pulse Width 22 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 4 Setting Up Output 1 Press Ei to enter the Output 1 setting routine The screen will show the current setting for Output 1 flashing v Use the Ta and W i keys to select the required option for Output 1 None kVAr or kWh Press to confirm your selection The SET indicator will appear x Press UL to exit Output 1 setting routine The SET indicator will g extinguish and the m and Wi keys can now be used to select a different Relay parameter Output 2 This is the next item on the Relay menu and the method of setting is exactly the same as for Output 1 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 23 4 Setting Up Crompton Instruments Rate Use this to set the energy represented by each pulse from either output g Use the m and W i keys to select the Rate screen Pr Press to enter the Rate setting routine The Rate value will flash The Ra
25. idth 200 100 60 ms 5 4 2 RS485 Output for Modbus or JC N2 Protocol For Modbus the following RS485 communication parameters can be configured from the Set up menu Baud rate 2400 4800 9600 19200 38400 Parity none odd even Stop bits 1 or 2 only 1 stop bit can be set if odd or even parity is required RS485 network address nnn 3 digit number 1 to 247 For JC N2 only the RS485 network address can be configured The range of addresses is 1 255 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 31 5 Specification Crompton Instruments 5 5 Reference Conditions of Influence Quantities Influence Quantities are variables that affect measurement errors to a minor degree Accuracy is verified under nominal value within the specified tolerance of these conditions Ambient temperature 23 C 1 C Input waveform 50 or 60Hz 2 Input waveform Sinusoidal distortion factor lt 0 005 Auxiliary supply voltage Nominal 1 Auxiliary supply frequency Nominal 1 Auxiliary supply waveform if AC Sinusoidal distortion factor lt 0 05 Magnetic field of external origin Terrestrial flux 5 6 Environment Operating temperature 10 C to 55 C Storage temperature 20 C to 70 C Maximum operating and storage temperatures are in the context of typical daily and seasonal variation Relative humidity 0 to 90 non condensing Altitude Up to 2000m Warm up time 1 minute Vibration 10Hz to 50Hz IEC 60068 2 6 2g Shoc
26. inimum temperature Terminal screws are fully tightened for shipment and must be undone before wire insertion Terminal screws should be tightened to 0 5Nm 4 4 Ibf in only 7 5 Additional considerations for three wire systems The neutral terminal terminal N is indirectly connected to the voltage input terminals terminals L1 L2 L3 When connected to a three wire system the neutral terminal will adopt a potential somewhere between the remaining lines If external wiring is connected to the neutral terminal it must be connected to either the neutral line or earth ground to avoid the possibility of electric shock from the neutral terminal 7 6 Auxiliary Supply The Integra Ci3 should ideally be powered from a dedicated supply However it may be powered from the signal source providing the source remains within tolerance for the auxiliary supply The unit can be powered from an auxiliary a c or d c supply that is separate from the metered supply 110 to 400V a c 50 60Hz 10 or 120V to 350V d c 20 Consumption 5VA nominal 7 7 Fusing This unit must be fitted with external fuses in voltage and auxiliary supply lines Voltage input lines must be fused with a fast blow fuse 1A maximum Auxiliary supply lines must be fused with a slow blow fuse rated 1A maximum if product is powered line to line ensure both lines are fused Choose fuses of a type and with a breaking capacity appropriate to the supply and in accordance with local reg
27. k 30g in 3 planes 5 7 Mechanics Dimensions 96 x 96 mm LxW Depth behind panel 53 mm 77 5mm with option module s Case protrusion in front of panel 7 mm maximum Sealing IP52 front panel IP30 case minimum Mounting DIN 96 panel mounting 5 8 Approval Certification and Standards Compliance RoHS compliant Although this class of product is presently excluded from the RoHS regulations the unit has been designed and manufactured in compliance with the RoHS regulations EMC Emissions BS EN 61326 Class A Industrial EMC Immunity BS EN 61326 Class A Industrial Safety BS EN 61010 1 2001 32 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 6 Maintenance 6 Maintenance In normal use little maintenance is needed As appropriate for service conditions isolate electrical power inspect the unit and remove any dust or other foreign material present Periodically check all connections for freedom from corrosion and screw tightness particularly if vibration is present The front of the case should be wiped with a dry cloth only Use minimal pressure especially over the viewing window area If necessary wipe the rear case with a dry cloth If a cleaning agent is necessary isopropyl alcohol is the only recommended agent and should be used sparingly Water should not be used If the rear case exterior or terminals should be contaminated accidentally with water the unit must be thoroughly dried before fur
28. ll show the energy unit in use Press to enter the Energy unit selection routine The current selected unit flashes v Use the ma and Wi keys to select the desired unit Press to confirm your selection The SET indicator will appear and the display will stop flashing lt Press ULH to exit Unit setting routine The SET indicator will extinguish 26 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 4 Setting Up 4 11 Test This option provides various test facilities v Use the m and W i keys to select the Test screen Pt Press to enter the Test menu aia aia Use the and W i keys to select the required test option and press to confirm your selection The available options are Lights all LCD segments so that display segments can be checked Toggles display segments alternately Shows the voltage and current phase sequences CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 27 4 Setting Up Crompton Instruments lt Press UL to exit the selected test display mode lt Press again to return to the main Setup menu The voltage and current inputs must be greater than 5 of nominal for the test to operate reliably Voltage and current phase displays show the phase relationships of the inputs To obtain the correct power readings the phase sequences can be either 123 or 132 but must be the same for both current and voltage To obtain phase indications
29. n the manner described in Section 6 test Error due to temperature variation as above of IEC 688 1992 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 30 Crompton Instruments 5 Specification Error in measurement when a measurand is within its measuring range but outside its reference range 2 x error allowed at the end of the reference range adjacent to the section of the measuring range where the measurand is currently operating being tested 5 3 Auxiliary Supply The unit can be powered from an auxiliary a c or d c supply that is separate from the metered supply Two way fixed connector with 2 5mm stranded wire capacity 110 to 400V a c 50 60Hz 10 or 120V to 350V d c 20 Consumption 5VA nominal 5 4 Option Modules Up to two option modules can be fitted which can be of two types a single RS485 Modbus JC N2 or single pulse relay output A fully populated product can support one RS 485 channel and one pulse relay output or two pulse relay outputs 5 4 1 Pulse Relay Outputs These outputs can be configured from the Set up menu Each of the two possible outputs can be set to generate pulses representing imported kWh or kVArh Rate can be set to generate 1 pulse per 0 001 1 Wh VArh 0 01 10Wh VArh 0 1 100 Wh VArh 1 1 KWh kVArh 10 10 kWh kVArh 100 100 kKWh kVArh 1000 1MWh MVArh 10000 10 MWh MVArh The rate cannot be set to a value that could result in more than 2 pulses second Pulse w
30. ortion of the RMS of total waveform and may thus generate unexpectedly high values of THD To avoid indicating large figures of THD for low signal levels the product will produce a display of 0 zero Typically display of THD will only produce the 0 zero value when the THD calculation has been suppressed due to a low signal level being detected It should also be noted that spurious signals for example switching spikes may be included in the RMS of the total waveform and will be used in the calculation of THD The display of THD may be seen to fluctuate under these conditions 38 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 9 Glossary Active energy CT Firmware Johnson Controls JC N2 Modbus Reactive energy RS485 SCADA Accumulated energy Watt hours Current Transformer Transforms a usually high current to a value that can be monitored by the meter Software installed on a permanent medium A master slave serial communication protocol with fixed communication parameters A proprietary communications protocol used for control and monitoring The energy VArh in the reactive component of the supply The current and voltage in the reactive component are mutually 90 out of phase capacitive or inductive resulting in a supply power factor of zero A serial communication system linking multiple addressed terminals Supervisory Control And Data Acquisition s
31. supply to the unit should not be subject to excessive interference In some cases a supply line filter may be required e To protect the product against incorrect operation or permanent damage surge transients must be controlled It is good EMC practice to suppress transients and surges at the source The unit has been designed to automatically recover from typical transients however in extreme circumstances it may be necessary to temporarily disconnect the auxiliary supply for a period of greater than 10 seconds to restore correct operation e Screened communication leads are recommended and may be required These and other connecting leads may require the fitting of RF suppression components such as ferrite absorbers line filters etc if RF fields cause problems e It is good practice to install sensitive electronic instruments that are performing critical functions in EMC enclosures that protect against electrical interference causing a disturbance in function CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 33 7 Installation Crompton Instruments Warning AA e During normal operation voltages hazardous to life may be present at some of the terminals of this unit Installation and servicing should be performed only by qualified properly trained personnel abiding by local regulations Ensure all supplies are de energised before attempting connection or other procedures Terminals should not be user accessible after installation
32. t is error free nor does TE make any other representation warranty or guarantee that the information is accurate correct reliable or current TE reserves the right to make any adjustments to the information contained herein at any time without notice TE expressly disclaims all implied warranties regarding the information contained herein including but not limited to any implied warranties of merchantability or fitness for a particular purpose The dimensions in this catalogue are for reference purposes only and are subject to change without notice Specifications are subject to change without notice Consult TE for the latest dimensions and design specifications TE Connectivity and TE connectivity logo are trademarks CROMPTON is a trademark of Crompton Parkinson Limited and is used under licence Other trademarks are property of their respective owners TE Energy innovative and economical solutions for the electrical power industry cable accessories connectors amp fittings insulators amp insulation surge arresters switching equipment street lighting power measurement and control Tyco Electronics UK Ltd A TE Connectivity company Freebournes Road Witham Essex CM8 3AH UK Tel 44 0 1376 509509 Fax 44 0 1376 509511 e mail Crompton info te com www crompton instruments com 42 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011
33. te is the energy that each output pulse represents v Use the m and W i keys to select the Rate required for the pulse output s Press to confirm your selection The SET indicator will appear and the display will stop flashing at Press UM to exit Rate setting routine The SET indicator will v extinguish and the m and Wl keys can be used to select a different Relay parameter 24 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 4 Setting Up Pulse Duration Use this option to set the duration of pulses in ms from both outputs Use the and W i keys to select the Pulse screen Press i to enter the Pulse Width setting routine The value will flash v Use the and Wii keys to select the Pulse Width in ms Press Fi to confirm your selection The SET indicator will appear and the display will stop flashing lt Press ULH to exit Pulse Width setting routine The SET indicator v will extinguish and the at and lili keys can be used to select a different Relay parameter lt Press ULH to exit the Relay set up screens and return to the main Set up menu CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 25 4 Setting Up Crompton Instruments 4 10 Energy Units Use this option to set the displayed units multiplier The unit multiplier for all displays can be set to kWh kVArh kilo or MWh MVArh Mega A Use the m and Wki keys to select the Energy screen The screen wi
34. ther service Should it be suspected that water might have entered the unit factory inspection and refurbishment is recommended In the unlikely event of a repair being necessary it is recommended that the unit be returned to the factory or nearest Crompton Instruments Tyco Electronics service centre 7 Installation The unit may be mounted in a panel of any thickness up to a maximum of 6 mm 0 25in Leave enough space behind the instrument to allow for bends in the connection cables As the front of panel enclosure conforms to IP52 it is protected from dripping water The unit is intended for use in a reasonably stable ambient temperature within the range 10 to 55 C Do not mount the unit where there is excessive vibration or in excessive direct sunlight 7 1 Safety The unit is designed in accordance with BS EN 61010 1 2001 IEC 61010 1 2001 Permanently connected use Normal condition Installation category Ill pollution degree 2 basic insulation for rated voltage Measurement Category III 7 2 EMC Installation Requirements Whilst this unit complies with all relevant EU EMC electro magnetic compatibility regulations any additional precautions necessary to provide proper operation of this and adjacent equipment will be installation dependent and so the following can only be general guidance e Avoid routing wiring to this unit alongside cables and products that are or could be a source of interference e The auxiliary
35. truments FS Use the and lili key to change the format Pr Press to confirm your selection SET will be displayed a Press ULH to exit the format selection routine The SET indicator will extinguish v If you have selected N2 format you can use the ma and keys to select the RS485 address option and set it as detailed on page 21 If you have selected Modb format set the serial parameters as follows v Use the m and W i keys to cycle through the Baud parity stop bits and address menu options To change the Baud setting ensure that the display shows the Baud setting and press F to enter the Baud setting routine The setting digits will flash Baud Rate not applicable for JC N2 18 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 4 Setting Up v Use the m and W i keys to select the desired Baud rate from the available options 9600 4800 2400 38 4k 38400 and 19 2k 19200 v Press to confirm your Baud rate selection SET will be displayed Press UL to exit Baud setting routine The SET indicator will v extinguish and the aia and W i keys can be used to select a different communications parameter Parity not applicable for JC N2 Note that if parity is set to Odd or Even Stop Bits will be set to 1 and cannot be changed v Use the m and lili keys to select the Parity option Pr Press to enter the parity setting routine The parameter will flash CI 3K51101
36. ulations A suitable switch or circuit breaker confirming to the relevant parts of IEC 60947 1 and IEC 60947 3 should be included in the installation It should be positioned so as to be easy to operate in close proximity to the equipment and clearly identified as the disconnecting device CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 35 7 Installation Crompton Instruments 7 8 Earth Ground Connections For safety reasons current transformer secondary connections should be grounded in accordance with local regulations Under no circumstances should the product be operated without an Earth connection 7 9 Connection Diagrams i L1 L L2 L2 LOAD L3 CRAD L1 LOAD L3 N N 1A FAST ii i i 1A FAST i ll l 1A FAST f BLOW FUSES BLOW FUSES BLOW FUSE 5 GOLOS lt OY 1A SLOW SOLOCSoY 1A SLOW SOLOSoyg 1A SLOW L L2 L3 N BLOW FUSE L L2 L3 N BLOW FUSE L L2 L3 N BLOW FUSE x x x Q E gt op z o op z o op zx 2 off AUX og ol AUX op of oF o 3 B olg ols lg 11 12 13 11 12 13 11 12 13
37. ulsed 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 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 5 1 Introduction Crompton Instruments 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 the Ci3 unit Both protocols are supported in the same unit Full instructions for RS485 port can be found in Section 4 8 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 Pulse rate divisor and width are configured from the Set up menu as detailed in Section 4 9 6 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments 2 Start Up Screens 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 hardware and firmware revision of the unit This example shows a hardware revision of 1 030 anda firmware version number of 32 76 N
38. ystem CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 39 10 Index 10 Index Address 27 31 Auxiliary supply 37 35 Baud rate 18 37 Certification 32 Connection Diagrams 37 Connections 35 CT 5 14 CT earth 36 CT primary current 5 14 Current transformer 5 14 36 Demand Integration Time 75 Displayed units 26 dIT 15 Divisors 24 Earth connection 36 EMC 32 33 Error 30 Firmware version 7 29 Fuses 36 Inputs 30 JC N2 6 17 Johnson Controls 6 17 LCD check 27 Maintenance 33 Meter current 14 Modbus 6 17 31 37 Multiplier 26 Number entry 70 Option modules 37 40 Crompton Instruments Parity 19 31 Password 13 Phase sequence 27 Pulse duration 25 Pulse output 6 8 22 37 Pulse rate 22 24 Pulse width 22 25 31 Range maximum 30 Relay output 1 23 Relay output 2 23 Reset demand 16 Reset energy 16 RoHS 32 RS485 6 31 37 RS485 address 21 Safety 33 Screen check 7 SET indicator 10 Size 32 34 Standards 32 Start Up Screens 7 Stop bits 20 37 Supply selection 14 Temperature 32 33 Test 7 27 Units 26 Version 29 Wiring 35 CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 Crompton Instruments CI 3K51101 Integra Ci3 User Manual Rev 11 Sep 2011 41 Crompton Instruments While TE Connectivity TE has made every reasonable effort to ensure the accuracy of the information in this catalogue TE does not guarantee that i

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