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Conzerv EM6400 Series Power Meters

1. 0 RS 4850 RS 485 Data Converter 6 RS 2320 O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meiers 01 2011 Chapter 6 Data Communication Figure 6 2 Closed loop 2 wire half duplex Advantage Reliable communications tolerant to one break in the cable EM6400 power meters rear view RS 485 communication po RS 485 Data Converter A un N LA N 6 Sersu 0 Communication Capabilities Table 6 1 RS 485 communication distances Baud Rate Maximum communication distances 1 to 32 devices 9600 1200 19200 900 o O NOTE Distances listed should be used as guide only and cannot be guaranteed for non Schneider Electric devices Above distances subject to vary based on the quality of the cable Daisy chaining Devices to the Power Meter RS 485 slave port allows the power meter to be connected in a daisy chain with up to 31 2 wire devices In this bulletin communications link refers to a chain of devices that are connected by a communications cable See Figure 6 3 Figure 6 3 Daisy chaining 2 wire devices MCT2W 485 terminator on the last device of the daisy chain Towards PC EM640
2. VA Apparent power total W Active power total PF Power factor average V12 RMS voltage phase 12 V23 RMS voltage phase 23 V31 RMS voltage phase 31 V1 RMS voltage phase 1 to neutral V2 RMS voltage phase 2 to neutral V3 RMS voltage phase 3 to neutral A1 RMS current phase 1 A2 RMS current phase 2 A3 RMS current phase 3 L1 of load phase 1 L2 of load phase 2 L3 of load phase 3 A 1 Current phase angle phase 1 in degrees A 2 Current phase angle phase 2 in degrees AS3 Current phase angle phase 3 in degrees A UNB Current unbalance V UNB Voltage unbalance RPM RPM of the motor VA1 Volt amperes phase 1 VA2 Volt amperes phase 2 VA3 Volt amperes phase 3 W1 Watts phase 1 W2 Watts phase 2 W3 Watts phase 3 VAR1 VAR phase 1 VAR2 VAR phase 2 VAR3 VAR phase 3 PF1 Power factor phase 1 PF2 Power factor phase 2 PF3 Power factor phase 3 THD Total Harmonic Distortion V1 Voltage THD Phase 1 V 2 Voltage THD Phase 2 W 3 Voltage THD Phase 3 1 Current THD Phase 1 A 2 Current THD Phase 2 A 3 Current THD Phase 3 DM VA VA Demand This can be DM A or DM W depending on the d PAR selected in PROG menu VAd VA demand Rd Rising demand TR Time remaining UD Maximum demano HR On hours at which maximum demand has occurred NOTE THD values are indicative only 34 2011 Schneider Elect
3. RMS voltage phase 23 V31 RMS voltage phase 31 V1 RMS voltage phase 1 to neutral V2 RMS voltage phase 2 to neutral V3 RMS voltage phase 3 to neutral A1 RMS current phase 1 A2 RMS current phase 2 A3 RMS current phase 3 L1 of load phase 1 L2 of load phase 2 L3 of load phase 3 A 1 Current phase angle phase 1 in degrees A 2 Current phase angle phase 2 in degrees A 3 Current phase angle phase 3 in degrees A UNB Current unbalance V UNB Voltage unbalance RPM RPM of the motor PF1 Power factor phase 1 PF2 Power factor phase 2 PF3 Power factor phase 3 An Neutral current INTG Fwd Forward Integrator On h Duration of supply ON INTR No of power interruptions DIAG represents diagnostic pages The values contained in these pages are for factory testing only Dia1 Communication settings Dia2 Product model and version number Dia3 Display scanning for display LED check SET Has two modes EDIT VIEW set parameters VIEW To view simultaneous setup parameter name and value display EDIT To edit simultaneous setup parameter name and value display CLR Clears INTG values 30 O 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meiers Chapter 3 Quick Start Guide EM6433 Power Meter Menu Hierarchy A1 RMS current phase 1 A2 RMS current phase 2 A3 RMS current phase 3 W1 Watts phase 1
4. 120 V 2011 Schneider Electric All rights reserved CTD7303 01 2011 O 2011 Schneider Electric All rights reserved EM6400 Series Power Meters Chapter 5 Installation 3 phase 3 wire delta connection Direct voltage connection for the input voltages L L up to 600 VAC Otherwise use three PTs Figure 5 4 3 phase 3 wire delta connection Li L2 L3 LINE PT if TAC LL LL2601 V S1 CT E i O O 0 254 VG O Bass E nl 0 to 600 Vac LL 8 Acc Cl X X Other Meters SI 44 to 300 VAC DC 1 Aux Supply Control power 44 to 300 V 50 60 Hz 5 VA LOAD v RS 485 Communication Other Meters In Series NOTE Make sure Delta is programmed in the power meter PROG menu setup Leave the Vn terminal disconnected 3 phase 3 wire open delta connection Direct voltage connection for the input voltages L L up to 600 VAC Otherwise use two PTs Figure 5 5 3 phase 3 wire open delta connection Li L2 13 LINE d E 2 s2 c S1 3 A ki 9 x pia x 15 T SR 2 8 Other Meters 5 GU TIP 44 to 300 VAC DC gt a Ag e E Aux Supply al xL Control power 6 9 z s2 E Di DO 7 LOAD RS 485 lt Communication Other Meters In Series NOTE Make sure Delta is programmed in the power meter PROG menu setup 49 EM6400 Series Power Meters CTD7303 Chapter 5 Installation 01 2011 2 phase 3 wire connection Direct voltage connection for the input vo
5. C ASCII e RTU C Ae C RIU Slave Response Timeout 1200 msecs Force modbus command 15 and 16 for single point writes To be used in cases where the slave does not support the single point write functions 05 and 06 teen For Help press F1 Polls 396 Resps 394 4 The Modscan software starts polling the configured COM port for the Device ID 1 Modscan Demo software will stop polling after 3 5 minutes on successful communication ModScan32 ModSca1 es File Connection Setup View Window Help Die EISE S e aaa a a as Device Id KR Add 3901 Number of Polls 453 iin MODBUS Point Type alid Slave Responses 451 Length 03 HOLDING REGISTER m ay O x ES 43901 3733283 2500 43902 For Help press Fi Polls 453 Resps 451 This shows that the power meter is communicating with the Modbus Modscan master software successfully on the PC The power meter is Modbus RTU compliant O 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 6 Data Communication Data Address The EM6400 power meter supports the transfer of whole block and also of individual data values two registers are used for storing single data value e In the transfer of individual data values it treats two registers as an object with the starting address e g 3900 considered as the object name This enables you to transfer required data values for energy man
6. However in case the power meters need to match the reading of older or simpler power meters which use the Arithmetic kVA definition this too is available as a Setup option Table 4 1 3D kVA Measurement kVA Other 2 Ge mm Ze mmm Kee See E Best all around KVA gt W VAR D S Where D Distortion Power per IEEE 100 Vector kVA Arithmetic Good under rth SEN Y KMS S GE ScalarkVA Low unbalance to match simpler meters without 3D capability A 38 O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 5 Installation Chapter 5 Installation Mechanical Installation The EM6400 series power meters are panel mounted and have reliable rear mounted terminal strips rated at 600 V The 92 x 92 mm 3 62 x 3 62 in cut out and 96 x 96 mm 3 78 x 3 78 in bezel dimensions adhere to IEC 61554 and DIN 43700 The diagram below displays the various dimensions of mechanical installations Figure 5 1 Mechanical dimensions and recommended panel cut out 90 0 3 54 2011 Schneider Electric All rights reserved 39 EM6400 Series Power Meters Chapter 5 Installation 40 CTD7303 01 2011 Installation Procedure Usage First decide how the power meter is to be used If you do not already have an energy management program in operation then your energy consultant should be able to help you identify which load s offer maximum savings
7. W2 Watts phase 2 W3 Watts phase 3 2011 Schneider Electric All rights reserved EM6400 Series Power Meters Chapter 3 Quick Start Guide 32 EM6436 Power Meter Menu Hierarchy V12 RMS voltage phase 12 V23 RMS voltage phase 23 V31 RMS voltage phase 31 V1 RMS voltage phase 1 to neutral V2 RMS voltage phase 2 to neutral V3 RMS voltage phase 3 to neutral A Ke A1 RMS current phase 1 A2 RMS current phase 2 A3 RMS current phase 3 W1 Watts phase 1 W2 Watts phase 2 W3 Watts phase 3 PF1 Power factor Phase 1 PF2 Power factor Phase 2 PF3 Power factor Phase 3 O 2011 Schneider Electric All rights reserved CTD7303 01 2011 CTD7303 EM6400 Series Power Meters 01 2011 Chapter 3 Quick Start Guide EM6434 Power Meter Menu Hierarchy AMS RMS value display pages are in sub leve VA S VA 1 Ge 2 VA Apparent power total 3 W Active power total PF Power factor average VA VA Apparent power total W W Active power total VA i VAR Reactive power total W Active power total W VAR Reactive power total o A PF Power factor average Pe INTG VAh Fwd inductive oe VARh OLD Fwd Reactive energy capacitive Run h OLD Fwd Run hours m DIAG represents diagnostic pages The values E contained in these pages are for factory testing
8. communication abruptly Incorrect Load bar indication The power meter is over heated O 2011 Schneider Electric All rights reserved Over voltage temperature Fuse connection Communications lines are improperly connected Over voltage temperature Incorrect F S selection Lack of sufficient air for cooling Interrupt the power supply or reduce the voltage or temperature within the limit Check whether a fuse with rating of 0 25 A is connected on each voltage input If not connect the 0 25 A rated fuse to the voltage input Verify the power meter communications connections See Chapter 6 Data communication on page 51 for more information Interrupt the power supply or reduce the voltage or temperature within the allowable limits Select the full scale load percentage setting as per your circuit Provide sufficient space all around the power meter Separate the power meter from other equipment for cooling air 69 EM6400 Series Power Meters CTD7303 Chapter 7 Maintenance And Troubleshooting 01 2011 70 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter A Technical Data Appendix A Technical Data Accuracy Table A 1 Accuracy Measurement Accuracy of Reading Class 1 0 Class 0 55 Class 0 25 Voltage LN per phase and 1 0 0 5 0 2 average Voltage LL per phase and 1 0 0 5 0 2 average Amp per phase and average Amp
9. 2011 Auto scroll Auto scroll allows you to monitor a group of display pages sequentially every five seconds without manual key operation This is convenient for viewing from a distance The power meter shows the parameter name for one second followed by the value for four seconds e To auto scroll within a page group e g Within RMS group Go to a particular page in the desired page group Press continuously for three seconds and then release The display flashes AUTO and starts auto scroll within the page group e To auto scroll down the entire column of pages Go to the desired page Press Y continuously for three seconds and then release The display flashes AUTO and starts auto scroll down the entire column of pages e To auto scroll through TURBO pages Press of S continuously for three seconds and then release The display flashes AUTO and starts auto scroll through the TURBO pages NOTE Press any key to revert to manual scrolling Auto scrolling is not possible in the setup parameters Default Display View Page You can select any page as user set default display page You can scroll to other display pages The user set page is displayed two minutes after the manual scrolling is stopped by the user To lock the user set default page e Go to the page you want to set as default page e Press and 2 simultaneously to lock the page The power meter displays LOCK To unlock the user set default page e Once de
10. 7 O 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 3 Quick Start Guide MD Clear 1 gt E Ze p From RMS press A The display shows CLR CODE entry is required to clear the INTG values Press for two seconds The display shows CODE 2000 with blinking 2 The factory set CODE is 1000 Press Y The display shows CODE 1000 with blinking 1 Press once or four times to accept the new value After the successful CODE entry the display shows CLR INTG Press Y The display shows CLR MD Press The display shows CLR MD y with blinking y Press to clear MD The display flashes PASS and then CLR MD Press The display shows CLR Press Y to return to RMS page NOTE If you do not want to clear the MD press V to change the value from CLR MD y to CLR MD n in step 6 Then press gt The display flashes FAIL and then show CLR MD Proceed to step 8 O 2011 Schneider Electric All rights reserved 27 EM6400 Series Power Meters CTD7303 Chapter 3 Quick Start Guide 01 2011 Energy Integrator The EM6400 series power meter is equipped with an energy integrator function It provides several parameters for Energy Management VAh Wh VAR Ind VARh Cap run h run hours on h on hours INTR Interruptions outages A few of these need explanation RUN h Indicates the period the load has been ON and has run This counter accumulates as long as
11. Meters Chapter 3 Quick Start Guide 24 CTD7303 01 2011 Edit Set Parameters in PROG Menu This example explains how to edit the value of A PRI from 100 0 to 5000 in PROG menu setup of the EM6400 series power meter Then it shows how to save the value to the setup NOTE After entering into setup the power meter exits from the setup automatically if there is no key press for gt 2 min Edit and Accept Setup NOTE iimeans blinking 2 Means blinking 2 1 After you have successfully entered setup menu in edit mode Refer to Enter setup menu in Edit mode on page 21 for more information press The display shows EDIT A PRI 100 0 with blinking 1 This indicates that the value can be edited 2 Press for four times The display shows EDIT A PRI 5 000 with blinking 5 The value can be edited 3 Press four times The display shows EDIT A PRI 500 0 with blinking 4 Press The display shows EDIT A PRI 5000 with blinking 5 Press to accept the new value To edit the next parameter press Y and repeat the above steps O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 3 Quick Start Guide Save the New Value to Setup NOTE iimeans blinking means blinking y 1 After you edit the parameter as described above press lt The display shows SAVE y with blinking y 2 Press S or S to save the new value The display flashes PASS and t
12. Series Power Meters CTD7303 Chapter 1 EM6400 Series Power Meters Product Description 01 2011 Models and Parameters with EM6400 Series Power Meters The power meter can measure locally display and remotely transfer over Modbus RTU the following parameters Table 1 5 Models and parameters with EM6400 series power meters CE CEE IS VLLV12 V23 V31 EA S BE KK amans An mass I ER AA A EE S L Amps e V Unbal Io IO IS BE A FS load bar RPM o Per TTT A1 A A3 wwe wa o Z a S VAR1 VAR2 S DemadVAWIA CTT me ou Time remaining o O Maximum Demand MD HrMDoceurred J TI Wn e Je te pum q O Js A IA AP o pr VAR E E up 1j CEA Rmmus Je J e ONnous fe les eee les d a RW R VARh ASE AO ES LL APO E ae NN EE EAM Jp NARO LL LI TI Run ous e LI e A NEN NEN EN am mg mum 1 IP Ryan Run hours I pe JD om Burn O 0 A O 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 1 EM6400 Series Power Meters Product Description NOTE e Standard L Option specified while ordering C Only through communication O Selectable through setup FWD Forward indicating the import of power into the plant grid REV Reverse indicating the export of power from the plant grid The EM6400 series power meter disp
13. are headed Press the key that takes you in the desired direction The following example explains how to navigate from the RMS page to the VLN A F page and back to the RMS page in the EM6400 power meter Navigation Concept pa RMS VLL v12 A 23 PF 4 31 A an T A 4F ES 1 From the RMS page press 2 The display shows VLL A PF 2 Now press Y The display shows VLN A F 3 To return to RMS press lt The display shows RMS Use 2 to go forward to the sub parameter page and use lt to go backward to the main parameter pages Use v and to scroll up and down through the display pages e Now try getting around to other parameters by moving up down right and left The readings are organized as display pages to the right of RMS and INTG e The Kilo Mega and Negative Indicators are automatic Kilo and Mega light up together to show Giga See The indicators on page 9 for more information e You cannot go right into CLR to clear INTG and MD values unless you enter a code e Going right through SET you can go down to VIEW or EDIT Going right through EDIT requires code entry to program these power meter settings When done e Go Left all the way back to SET e Go down to CLR e Go Right into RMS to view the display pages again O 2011 Schneider Electric All rights reserved 11 EM6400 Series Power Meters CTD7303 Chapter 1 EM6400 Series Power Meters Product Description 01
14. e User fixed block Auto sliding block In the auto demand power calculation you select an interval between five and 30 minutes in steps of five minutes The demand calculation updates every 15 seconds Auto demand power calculation is the default calculation for EM6400 series power meters User fixed block In the user demand power calculation you select an interval between five and 30 minutes in steps of five minutes The demand calculation updates at the end of the interval User demand power calculation can be selected through setup See Setup parameters in View and Edit modes on page 22 for more information 15 minute interval Demand value is the average for the last tp completed interval Calculation updates every 15 seconds Time 15 30 45 60 second Auto Sliding block demand calculation q Demand value is the average for the last completed interval 15 minute interval 15 minute interval Time Second User Fixed block demand calculation O 2011 Schneider Electric All rights reserved 29 EM6400 Series Power Meters CTD7303 Chapter 3 Quick Start Guide 01 2011 EM6400 Series Power Meters Menu Hierarchy EM6459 Meter Menu Hierarchy RMS RMS value display pages are in sub level VLL Phase Phase voltage average A Current average PF Power Factor average VLN Phase Neutral voltage average A Current average F Frequency in Hz V12 RMS voltage phase 12 V23
15. faceplate for common configuration parameters e Password protection for setup parameters e User selectable default display page through keypad lock Installation and Input Ratings e Auto ranging voltage inputs should allow direct connection up to 347 VLN 600VLL AC systems no PTs VTs required up to 600 VLL phase to phase e Supports the following configurations field configurable Direct 4 wire Wye Star 3 wire Wye Star 3 wire Delta 2 phase 3 wire 2 phase and single phase e 3 phase voltage and current inputs e Volts 46 to 347 VAC phase neutral 80 to 600 VAC phase phase Overload Continuous 600 VLL with full accuracy 750 VLL Max Hz 50 60 e Amperes 5 mA starting to 6 A Overload 10 A continuous 50 A for three seconds e User programmable for 5 A or 1 A secondary CTs e Burden Load Less than 0 2 VA per Volt Ampere input e Frequency Both input and auxiliary 50 60 Hz 45 to 65 Hz Environmental Conditions Construction 72 e Sealed dust proof construction Meets IP51 for the front panel and IP40 for rear panel e Operating temperature 10 C to 60 C 14 F to 140 F e Storage temperature 25 C to 70 C 13 F to 158 F e Humidity 5 to 95 non condensing e Self extinguishable VO plastic double insulation at accessible areas e Pollution Degree Il e Measurements Category III Dimensions and Shipping e Basic unit installed depth 83 mm with 92 x 92 mm panel cut o
16. phase angle per phase 2 Active power kW per 1 0 0 5 0 2 phase and total phase and total phase and total Import Export Inductive Capacitive Apparent energy KVAh NOTE 5 A meter Additional error of 0 05 of full scale for meter input current below 100 mA 1 A meter Additional error of 0 05 of full scale for meter input current below 20 mA PF error limit is same as W error limit in Auxiliary supply Control power The power meter needs a single phase AC or DC control supply to power its internal electronics Range 44 to 300 VAC DC Burden load 3 VA max on Auxiliary supply Front Panel Display e Brilliant three lines four digits digit height 14 2 mm 0 56 in per line high readability alpha numeric LED display with auto scaling capability for Kilo Mega Giga e The display provides the user access to all phase voltages phase to neutral and phase to phase currents per phase and average Watts VARs VA power factor frequency kWh kVAh and kVARh e The power meters display average volts amps and frequency simultaneously e Load bar graph for the indication of consumption in terms of amperes total e Set of four red LED s in the load bar start blinking when the load is greater than 120 to indicate overload O 2011 Schneider Electric All rights reserved 71 EM6400 Series Power Meters Appendix A Technical Data CTD7303 01 2011 e Easy setup through keys located on the
17. phase system has either a Delta connection or a Wye Star connection see Figure below 1 Ge O P E lat Ecglc GC Where E s Voltage across points and B Ecp Voltage across points C and B Ean Voltage across points A and N Neutral Egn Voltage across points B and N Neutral Ecn Voltage across points C and N Neutral la Current through conductor A lg Current through conductor B Ic Current through conductor C 2011 Schneider Electric All rights reserved 37 EM6400 Series Power Meters CTD7303 Chapter 4 AC Power Measurement 01 2011 Consumption and Poor Power Factor CONSUMPTION Wh W x T where W instantaneous power T time in hours The total electric energy usage over a time period is the consumption of Wh Typically the unit in which consumption is specified is the kilowatt hour kWh one thousand watts consumed over one hour Utilities use the Wh equation to determine the overall consumption in a billing period Poor power factor Results in reactive power consumption Transferring reactive power over a distribution network causes energy loss To force consumers to correct their power factor utilities monitor reactive power consumption and penalize the user for poor power factor 3D kVA Measurement The power meters are equipped with 3D Measurement of kVA This advanced method provides the most accurate and predictable measurement under unbalanced as well as distorted waveform conditions
18. potential This will help you decide which point is to be monitored from where the readings will be viewed from who must have access to the instrument and how often Otherwise decide the location of the power meter and install it For best performance choose a location that provides all the required signals with minimum wiring lengths Panel Considerations and Environment The power meter is high precision measuring instrument and its operating environment is of utmost importance For maximum performance the instrument should be mounted in a dry dust free location away from heat sources and strong electromagnetic fields To operate reliably the following conditions must be met Table 5 1 Environmental Conditions Storage temperature 25 C to 70 C 13 Fto 158 F Operating temperature 10 C to 60 C 14 F to 140 F Relative humidity 5 to 95 non condensing The power meters should be separated from other equipment and sufficient space must be provided all around for cooling air to rise vertically past the instrument The cooling air temperature must be below the specified operating temperature The panel or housing in which the EM6400 power meter is mounted should protect it from dust moisture oil corrosive vapors etc The panel doors must be easily opened to provide easy access to the power meter wiring for troubleshooting Allow clearance if the unit is going to swing out as well as adequate slack in the wir
19. requirements may lead to personal injury as well as damage to electrical equipment or other property e NEVER bypass external fusing e NEVER short the secondary of a PT e NEVER open circuit a CT use the shorting block to short circuit the leads of the CT before removing the connection from the power meter e Before performing Dielectric Hi Pot or Megger testing on any equipment in which the power meter is installed disconnect all input and output wires to the power meter High voltage testing may damage electronic components contained in the power meter e The power meter should be installed in a suitable electrical enclosure Failure to follow these instructions will result in death or serious injury O 2011 Schneider Electric All rights reserved 17 EM6400 Series Power Meters CTD7303 Chapter 2 Safety Precautions 01 2011 18 O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 3 Quick Start Guide Chapter 3 Quick Start Guide PROG Menu Setup e The power meter must be configured to match the application settings before use Otherwise the readings will be incorrect e All the setup values can be re programmed at any time using SET However the settings SYS WYE Star Delta single phase 2 Phase Vpri Vsec Apri Asec critically determine the scaling of measured readings e The scaling may be used to reduce the errors in readings due to Instrument Transf
20. selected from five to 30 minutes The power meter calculates and updates the demand every 15 seconds Baud rate Specifies how fast data is transmitted across a network port Communications link A chain of devices connected by a communications cable to a communications port Current Transformer CT Current transformers for current inputs Demand Average value of a quantity such as power over a specified interval of time Firmware Operating system within the power meter Float A 32 bit floating point value returned by a register See Data Address on page 57 for more information Forward Importing the power into the plant grid Frequency Number of cycles in one second Line to line voltages Measurement of the RMS line to line voltages of the circuit Line to neutral voltages Measurement of the RMS line to neutral voltages of the circuit LOCK Default display page lock See Default display View page on page 12 for more information Long A 32 bit value returned by a register See Data Address on page 57 for more information Maximum demand Highest average load during a specific time interval Nominal Typical or average Parity Refers to binary numbers sent over the communications link An extra bit is added so that the number of ones in the binary number is either even or odd depending on your configuration Used to detect errors in the transmission of data Power factor True power fa
21. the load is ON On h The period for which the power meter supply is ON INTR Number of supply outages means the number of auxiliary supply interruptions If the power meter auxiliary supply is from a UPS then the INTR number of interruptions will be zero as long as the UPS stays ON even if the voltage signals die out from time to time NOTE CT Reversal Auto correction for energy integration in star wye mode In star wye mode energy integration always be in forward direction irrespective of the direction of current flow or sign of the power reading per phase not applicable IE models Integrator Overflow The EM6400 series power meter contains a comprehensive integrator to support energy management lt accumulates several parameters over time as explained above All values are direct readings and have a high resolution This is necessary for accurate energy analysis over short intervals of time It also means that the readings max out and reset sooner or later as given below Since the Integrator contains counters for several parameters VAh Wh VARh VARh Run Hours On Hours Interruptions they all reset together when any one of them overflows usually Wh but can be changed to VAh through the Setup This makes energy management calculations such as average PF very easy The maximum number that the power meter handles is 9 999 Giga for RMS and energy values The value at which the power meter overflows is given bel
22. 0 series power or other Schneider Electric 2 wire compatible devices e l the power meter is the first device on the daisy chain connect it to the host device using a RS 232 to RS 422 RS 485 converter or RS 485 to Ethernet converter e f the power meter is the last device on the daisy chain terminate it with the terminator provided 52 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 6 Data Communication e See Table 6 1 on page 52 for the maximum daisy chain communications distances for 2 wire devices e The terminal s voltage and current ratings are compliant with the requirements of the ElA RS 485 communications standard NOTE For better performance Schneider Electric recommend to use SWG 100 shielded cable with low resistance Belden or Lapp make Data Formats and Settings Your SCADA software must be configured for Modbus RTU communication before integrating the Schneider Electric EM6400 series power meter The mode of transmission is defined in the following which is compatible with Modbus RTU Mode Table 6 2 Power meter communication and protocol settings Power meter communication settings Protocol Modbus RTU Data bits I N Baud rate 9600 Baud User set 1200 to 19200 Range 1200 2400 4800 9600 19200 Normal use 9600 Baud Noisy EMI RFI long data cable 4800 2400 Baud Short cable lt 300 meters or 975 feet 19200 Baud Parity Device
23. 00 RevVAh Reverse E energy 3151 pee RevWh is active Reverse active energy 3153 53 Float Float je SS a a NEN reactive inductive energy 55 PEDI Reserved Reserved 3157 57 wee E a 59 Float RevVARh ii reactive capacitive energy na 61 T sn ES Reserved Reserved 3167 67 ELM meum LE F TTT 2011 Schneider Electric All rights reserved 61 EM6400 Series Power Meters Chapter 6 Data Communication 62 CTD7303 01 2011 Total Integrated Block e Function Code 03H Read e Number of registers 20 e No scaling required e Read as block only Table 6 11 Total integrated block Parameter Description Po Te ino lease pisa Kin Ss 6400 TotVAh Total apparent energy 3181 E Eh IE au TotVARh Total reactive inductive energy Seet fesen r a o TotVARh Total reactive capacitive energy 3191 Ea EL Reseved fesen PS Tei epes _ Totalrun seconds 1899 Tock Demand Block e Function Code 03H Read e Number of registers 22 e No scaling required e Read as block only Table 6 12 Demand block Parameter Description Address Type EM 6400 Present demand Present demand 3735 Float je Rising demand Rising demand 3 37 LA LER EE NN mae p Note The address 3741 is overlapped between the demand and max demand blocks O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 6 Data
24. 00 series power meter is designed for use in industrial and commercial installations by trained and qualified professionals not for domestic use Physical Description FRONT The front panel has three rows of four digits characters each with auto scaling Kilo K Mega M and minus indications TheK and M indicators lit together to show Giga readings The load bar graph to the right of the display gives the indication of consumption in terms of the amperes load with respect to the full scale FS selected Five smart keys make navigating the parameters very quick and intuitive for viewing data and configuring the power meter REAR The voltage and current terminals and the communication port are located on the back of the power meter Refer to Rear Panel on page 13 for more information O 2011 Schneider Electric All rights reserved 7 EM6400 Series Power Meters CTD7303 Chapter 1 EM6400 Series Power Meters Product Description 01 2011 Front Panel The front panel contains the following indicators and controls e Eight segment LED display Three rows of alphanumeric displays four digits each display three RMS parameters simultaneously or one energy parameter The displayed readings update every second e Analog load bar Unique indication of load with respect to the full scale FS e Indicators For each row Kilo Mega Kilo Mega Giga indicators and a Negative indicator e Keys Five smart keys to scro
25. 6 Data Communication Phase Angle Block e Function Code 03H Read e Number of registers 18 e No scaling required e Read as block only Table 6 17 Phase angle block Parameter Description Address Type Sep Neutral Neutral 3701 pose er iT i GE me Fi ee pn fF Re E ur KK poe se et FF E ETT E EE A bn ber ee mr pne mr pe 1 1 1 1 1 Note The parameters V1 V2 V3 voltage phase angles neutral voltage and neutral current are available only through communication NOTE e Most of the reserved and unavailable parameters return zero value e The SCADA software must support register blocks consisting of different data types integers and floats to transfer of whole block Each Modbus register size is 16 bits All the power meter readings are 32 bits Therefore each power meter reading occupies two consecutive Modbus registers For example VA parameter absolute address is 3901 It occupies both 3901 and 3902 Modbus registers e Address configuration All addresses are in decimal Some SCADA software supports Modbus register address instead of absolute register address In this case add 40000 to the above address and use it For example VA parameter absolute address is 3901 Modbus address can be 43901 40000 3901 Phase Angle Block Voltage phase angles 0 120 240 are hard coded not measured Hence these values are also available in communication in the absence of input signals however t
26. Address Modbus Protocol Device Address 1 to 247 Upto 247 meters per COM port with repeaters Function Code 03 Read Data Address Refer to Data address on page 57 for more information Data type 32 bit float real e All parameters e Direct reading little end e ian float no scaling required 32 bit unsigned integer e INTR number of interruptions outages RMS Blocks e RunSec Run seconds Integ Block No of Registers 2 to 50 optional per power meter data block of 10 x 32 bit values must be configured to suit the power meter NOTE The polling interval to poll the data from EM6400 power meter will depend on baud rate We recommend polling interval of one second at 9600 Baud rate O 2011 Schneider Electric All rights reserved 53 EM6400 Series Power Meters Chapter 6 Data Communication 54 CTD7303 01 2011 Parameter Settings for Different SCADA Software The following table explains how to read the parameter VA See Individual parameter address on page 57 for more information in different Modbus master software PLC s Table 6 3 Parameter settings No Address Code Register a e configured conversion Exe e Exe SCADA configured conversion nn A a configured conversion 4 Intouch la F Nil Floating point Unswapped FP mn ai 5 Modscan eg 03 Master HOLDING REGISTERS MODTEST 43901 03 Points 1 Rosemount Rosemount CIMPLICITY 43901 Nil u conversion The array con
27. CO oiaren TL 67 reen lat ne he TT TIE 68 Appendix A Technical RE 71 Ae sco EE 71 Auxiliary supply Control power 71 Front Panel DE TEE 71 Installauon inte MPU AIN Sra decis 72 Sne lee e de EE 72 CONSI UCI me M 72 Dimensions tee Ee eloo BEE 72 Appendix B SIM simulation Mode 22 EEE 73 de pd E 75 A ee ee RN RA EA 75 ADN nee ee ee ee ee RD a bt ee 77 INDE A E 79 6 O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 1 EM6400 Series Power Meters Product Description Chapter 1 EM6400 Series Power Meters Product Description The EM6400 series power meters are digital power meters that offer comprehensive 3 phase electrical instrumentation and load management facilities in acompact and rugged package This chapter contains the main operating instructions The remaining chapters explain the installation and setup steps before the power meter is ready for use and maintenance and troubleshooting procedures for the power meter after installation The EM6400 series power meter is an universal power meter Before use please program the SYS measurement system configuration and the PT VT and CT ratios through the front panel keys Otherwise it will read your system incorrectly Other settings such as communication parameters must also be programmed as needed Schneider Electric stands behind your EM6400 power meters with complete user support and service Intended use EM64
28. Code 03H Read e Number of registers 20 e No scaling required e Read as block only Table 6 15 Old reverse integrated block Parameter Description Address Type EM 6400 OldRevVAh Old reverse apparent energy 3152 i ME ei OldRevWh Old reverse active energy 3154 ae ER aa OldRevVARh Old reverse reactive inductive energy 3156 rere Wh Reserved est Dm Fei o Reserved Resewed Dt foa A E LE qus p p Deene eng pa Feil Reserved Resewed fe Feil Reserved Reserved e Jon 1 OiRevRunsecs Old reverse run seconds i0 Jong Old Total Integrated Block e Function Code 03H Read e Number of registers 20 e No scaling required e Read as block only Table 6 16 Old total integrated block Parameter Description Address Type EM 6400 D r Oldtotalapparent energy 3182 Pak Oldtown Old total active energy 8184 ek OIToIVARh Old total reactive inductive energy 3186 ek Reseved Resemed 9188 el III Reserved Resemed 9190 el Ill OldTotVARh Old total reactive capacitive energy 3192 rere 7 Reserved Reseved 9194 Float Reserved Reserved 8196 Float Reserved Reserved 3198 long OldTotRunsecs Old total run seconds 3200 GE kt 64 O 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter
29. Communication Max Demand Block e Function Code 03H Read e Number of registers 36 e No scaling required e Read as block only Table 6 13 Max demand block Parameter Description Address Type Si mer EEE MaxDMTime Maximum demand occurrence time M3 S q se E 13 3 m T 1 1 M A A m cl O SS mo HE HE HE HE EE ia ii RS LIS it BEE ES O ias ME o E AE EN mer A E A E EE Week E A 1 me bo a O O A pesones emm fe 1 1 1 mew eee fren o Prosa eem pr m 1 Note The address 3741 is overlapped between the Demand and Max Demand blocks Old Forward Integrated Block e Function Code 03H Read e Number of registers 20 e No scaling required e Read as block only Table 6 14 Old forward integrated block PA a do aso in in n 6400 OldFwdVAh Old forward apparent energy 3122 Float le fo e OldFwdWh Old forward active energy forward active energy 3124 24 Float Float pe je je Ge u forward reactive inductive energy NE pee PA Reseved Reem aras LL 8 o Reserved Reserved a foa BT Reserved eesi E Pal Reserved Resemes pe Pei Reseved ees Jm Jong OldFwdRunsecs Old forward run seconds 3140 ciel IE 2011 Schneider Electric All rights reserved 63 EM6400 Series Power Meters CTD7303 Chapter 6 Data Communication 01 2011 Old Reverse Integrated Block e Function
30. Conzerv EM6400 Series Power Meters User manual CTD7303 01 2011 420 HA 410 100 90 80 10 60 50 40 30 20 10 Schneider Electric O 2011 Schneider Electric All rights reserved Hazard Categories and Special Symbols 0 A E Read these instructions carefully and look at the equipment to become familiar with the device before trying to install operate service or maintain it The following special messages may appear throughout this manual or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure SAFETY SYMBOLS The addition of either symbol to a Danger or Warning safety label indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death SAFETY MESSAGES DANGER DANGER indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING WARNING indicates a potentially hazardous situation which if not avoided can result in death or serious injury 4 CAUTION CAUTION indicates a potentially hazardous situation which if not avoided can result in minor or moderate injury CAUTION CAUTION used without the safety alert symbol in
31. Le 21 Setup Parameters in View and Edit Modes sisi 22 Edit Set Parameters in PROG Men ta S DD apa 24 zeigte E e EE 24 Save the New Value to Setup EEN 25 Clear INTG and Maximum Demand MI 26 Steis Ver ES LEO ara iaa 28 Integrator OVetrTlOW stat AAA AA A a 28 OLD Dat Rest a 28 Demand Power Calculation Methods A 29 AO Shading BIOCK pues ad mmt 29 User ixed Dock 2 p 29 EM6400 Series Power Meters Menu Hierarchy iii 30 EM6459 Meter Menu Hierarchy ana a E Ua 30 EM6433 Power Meter Menu Hierarchy iii 31 EM6436 Power Meter Menu Hierarchy iii 32 EM6434 Power Meter Menu Hierarchy iii 33 EM6400 Power Meter Menu Hierarchie 34 Chapter 4 AG Power Measuremebl een 37 3 Phase Systems nn ee Dee ee eek 37 Consumption and Poor Power Factor ooccccccccocccnnccoconncnnccononnnnnnnonncnnnnnnnnncnnnnnnnnnrnnnnnnnnnrnnnnnnnnnrnnnnonnnnrncnnnanennnns 38 3D kVA Measurement nenne nnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnn nenne nnnnennnnnnnnnnnnnnnnnnennnnnnnnnnnnnnnnnne nennen 38 Chapter 5 ur CET WEE 39 Mechanicakmnstalalho ET NS 39 Installation Proced rer EE 40 Be ee ee 40 Panel Considerations and Environment ooooccnnccncnnccnnncnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnonnncnnnnnnnnnnnnnnnnnnnrnnnnnnnnnrnnnnnnnnoss 40 VIEW m 40 MOUNN G zensiert NT 41 Seele EE a EE 42 Tenmnalconnmnecllo ns Using MUGS cosa ad 43 Auxiliary oupply Gontrol PO
32. WO F sur un 44 RA EE and C T Sene 44 SEA AR GPW INNO WEEN A4 Voltage Signal CGonnechons nan tiikan nrnnnnnnnnnnnnnnnnnnnrnnnnrrnnnranrnrnnnncannns 45 AP a a 45 Selecting the e te ET 45 Current Signal CONNECHION EE 45 O 2011 Schneider Electric All rights reserved 5 EM6400 Series Power Meiers CTD7303 Table of contents 01 2011 Ai eege 46 GE OLA EE 46 CT Connection Heversa nn nnnnnnnRnnnnnnnnnnnnrnnnnrnnnnnnnrnrnanrnnnrnnnnncannns 46 Setup System BR Ae LE 47 Phase dC 48 Connection Diagrams u ne lee 48 Connection Diagram Symbols ocooooccnncccccnccnnncononcconcnononcnnnnnnnnnrnnnnnnnnnrnnnnnnnnnrnnnnnnnnnrnnnnnnnnnrnnrnrnnnrrnnrnrnanennnnss 48 3 phase 4 wire WYE connechon nennen nnennnnnnnnnnnnnnennnnnnennennnnnnnnnnnenn 48 3 phase 3 wire delta confiecllon na 49 3 phase 3 wire open delta connechon siennes 49 Figure 5 5 3 phase 3 wire open delta connection nn 49 SEET 50 omgie Phase CONNECCION ass ae alo E auditu a q DE En ep af ac 50 Chapter 6 Data Communication EE 51 SEDA a RR ae O 51 e un en 51 Gommunlealon Neel 52 Daisy chaining Devices to the Power Meter 52 Data Formate and SENG sense nee 53 Parameter Settings for Different SCADA Goftware nen 54 Communication Testa ii adas 55 BACA e een eisen RI dtes cenis RR RR ue pene 57 Mavava Parameter ee 57 Block eeneg 59 Chapter 7 Maintenance and Troubleshooting ooocccnnccnnncconnnccnnccconccnnnccnnnnconnnnnnnnnnnnnnnrrrnnnnnnnnnnnnnrrrnnnnanannnnnn 67 ATO C
33. Y and ID are applicable only for EM6400 series power meters with RS 485 communication option O 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 3 Quick Start Guide Setup Parameters in View and Edit Modes continued d PAR Demand parameter selection Select from VA W A Default value is VA d PRD Demand period Select from 5 10 15 20 25 30 Default value is 15 A Y U EM Ed IE bHUA bild Baud Baud rate Select from 1200 2400 4800 9600 19200 Default value 9804 9600 lis 9600 A Y U IEN Ed PRTY Parity and stop bit settings Select from EVN 1 EVN 2 OD 1 PrEM PrE ODD 2 no 1 no 2 Default value is EVN 1 Eun Eun U EM Ed IE lg lg ID RS 485 device ID number Select from 1 000 to 247 0 Default value is 1 000 OU DUO A Y IE F S Full scale percentage Set the full scale between 1 000 to 100 0 Default value is 100 0 OFLO Overflow parameter selection Select from Wh VAh POLE Number of poles for RPM Select from 2 000 4 000 6 000 8 000 10 00 12 00 14 00 16 00 Default value is 4 000 NOTE Changing these values is not recommended while the device is in use NOTE Changing these values while device is in use is not recommended BAUD PRTY and ID are applicable only for EM6400 series power meters with RS 485 communication option O 2011 Schneider Electric All rights reserved 23 EM6400 Series Power
34. age VLL of circuit if the input voltage lt 600 VAC LL For example if input voltage 300 VAC LL set V pri 300 0 and V sec 300 0 e Use potential transformer PT VT if the input voltage gt 600 VAC LL Set the V pri and V sec values to match the primary and secondary of the PT VT respectively For example if PT VT ratio is 11 kV 110 set V pri 11 00 k and V sec 110 0 Select one of the following systems according to your wiring configuration e SYS DLTA for 3 phase 3 wire system e SYS WYE Star for 3 phase 4 wire system e SYS 2 phase for 2 phase 3 wire system e SYS single phase for single phase 2 wire system 2 Connect the current transformers CTs CT1 CT2 CT3 3 Connect the voltage inputs Use PT VT if voltage exceeds 600 VAC LL 20 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 3 Quick Start Guide DEEN From RMS press A The display shows CLR Press The display shows SET Press The display shows VIEW Press Use and Y to scroll and view the setup parameters and their current settings bb UO N Enter Setup Menu in Edit Mode NOTE iimeans blinking 2 Means blinking 2 From RMS press A The display shows CLR Press The display shows SET Press 2 The display shows VIEW Press Y The display shows EDIT CODE entry is required to enter the setup menu in edit mode 5 Press fo
35. agement e In the transfer of the whole block it basically treats each block as an object with the starting address e g 3000 considered as the object name This enables fast block transfers since energy management usually requires a block of related readings for the same point of time This method also eliminates time skew within readings of that block e The device address block start address number of registers must be configured to suit the power meter You must also make the related SCADA settings for polling priority logging and viewing the data Refer your SCADA software instructions to learn how to do this Individual Parameter Address e Function Code 03 Read e No scaling required e Read as block or individual parameters Table 6 4 Individual parameter address Parameter Description Address Type EM 6400 Metering Current aere Eu Fm ROR D FR PI erent hase 1 e pa 200 fe Rp bat po po po po pueses e fm Rok ff Metering Voltage VEL Line toline average voltage pos Pet Je p p 1l MN tine toneutralvotage pon Pk p PF 1 v2 Voltage phase 1tophase2 be oa kk Lk V31 V1 V2 V3 Metering Power w Active power total 3903 Float Wi Active power phase 1 3919 Float W2 Active power phase 2 3933 Float CR Vor Vatage phase 31o phase 1 ps Fox je b J Y vooo Metering Power Factor VAR 1 F F O 2011 Schneider Electric All rights reserve
36. basis The options are e Wye Star For 3 phase 4 wire three Watt meter or three Element circuits Here all three voltage phase signals the neutral voltage connection and all three current input signals need to be wired in This means all the four voltage terminals and six current terminals described in the following section need to be wired For wye star wiring configuration see 3 phase 4 wire WYE connection with 3 CTs and 3 PTs on page 48 for more information Delta For 3 phase 3 wire two Watt meter or two Element circuits For delta and open delta wiring configuration see 3 phase 3 wire Delta connection with 2 CTs and 3 PTs and 3 Phase 3 Wire Open Delta connection with 2 CTs and 2 PTs on page 49 for more information 2 phase For 2 phase 3 wire two Watt meter or two Element circuits Here the two voltage phase signals the neutral voltage connection and two current input signals need to be wired in This means that the three voltage terminals and four current terminals described in the following section need to be wired For two phase wiring configuration see 2 phase 3 wire connection with 2 CTs on page 50 for more information Single phase For single phase 2 wire one Watt meter or one Element circuits Here a single voltage Phase signal the neutral voltage connection and a single current input signal need to be wired in This means that two voltage terminals and one current terminal described in the fo
37. ce this error The CT secondary value must be user programmed into the power meter The power meters should be conveniently located for easy connections of voltage PT current CT signals and auxiliary control supply NOTE The power meters user programmable PT and CT primary or secondary settings may be utilized to Calibrate out the PT and CT amplitude error for improved accuracy O 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 5 Installation Voltage Signal Connections For proper power meter operation the voltage connection must be maintained The voltage must correspond to the correct terminal The cable required to terminate the voltage sense circuit should have an insulation rating greater than 600 VAC and a current rating greater than 0 1 A There are four input voltage terminals marked V1 V2 V3 and Vn See the connection diagrams that follow for details For Delta connection the Vn terminal should be left unconnected PT Connections The power meters directly accept LV voltage inputs of up to 600 VAC RMS line to line 347 VLN Voltages greater than this typically HV systems must be connected through Potential transformers PTs The power meters allow user programming of both PT primary and secondary voltages e User programmable PT primary range 0 1 to 999 kVAC RMS LL e User programmable PT secondary range 80 to 601 VAC RMS LL e Power meter voltage Inp
38. cept can be used here to poll all the data in LE single scan Allenbradly 43901 03 HOLDING 2 Floating point Direct Slave Master M nel REGISTERS ABB RTU 560 Index 3900 03 Read Ge MFI d Under sub Mater HOLDING Range 2 measured parameters REGISTERS Floating value Sign and Exponent in First Register should be disabled Unchecked 1 es PLC 3900 03 HOLDING POM me Ze eco 2 MOVICON 43901 Ni 2 Real Direct 3 RSVIEW 43901 03 HOLDING 2 Direct NS SP AA A A AS O 2011 Schneider Electric All rights reserved CTD7303 01 2011 2011 Schneider Electric All rights reserved EM6400 Series Power Meters Chapter 6 Data Communication Communication Test Communication test EM6400 series power meter can be successfully used for communication using Modscan software as Modbus master in PC Details of the settings in Modscan are given below Settings in Modscan v3 D05 00 software to establish communication with power meters e Free download demo Modscan software from http www win tech com e The following explains how to read apparent power total VA total from register 3901 ModScan32 ModSca1 em File Connection Setup View Window Help aim x Die Fra amp v N ajajaja el eis Device Id 1 Add Number of Polls 284 ird MODBUS Point Type alid Slave Responses 282 Length 2 03 HOLDING REGISTER 43901 3733283 2500 43902 For Help press F1 Pol
39. ctor is the ratio of real power to apparent power using the complete harmonic content of real and apparent power Reverse Exporting the power from the plant grid RMS Root mean square The power meters are true RMS sensing devices Run mode This is the normal operating mode of the power meter where the readings are taken Total Harmonic Distortion THD Indicates the degree to which the voltage or current signal is distorted in a circuit ULOC Default display page unlock See Default display View page on page 12 for more information O 2011 Schneider Electric All rights reserved 75 EM6400 Series Power Meters CTD7303 Appendix C Glossary 01 2011 User fixed block An interval selected between five to 30 minutes The power meter calculates and updates the demand at the end of each interval 76 O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Appendix C Glossary Abbreviations A FS Amperes full scale Ln A Neutral current LIN NN FW Firmware i Identity in E po mom pe ares preisen 0000000000007 LSB Least significant bit m Min ms Milliseconds gt 3 c 3 Most significant bit Ti D v O Power factor T Potential transformer Rising demand S TH Total harmonic distortion ULOC Unlock CE s eme o ooo e PM D lt lt V PRI Voltage primary winding V SEC Voltage secondary winding T Voltage tra
40. current Current inputs A1 A2 A3 Energy measurement 5 A Class 1 0 0 5 5 mA starting to 6 A 5 A Class 0 5S 0 2S 5 mA starting to 6 A 1 A Class 0 55 0 2S 1 mA starting to 1 2 A Overload 5 A 10 A max continuous 1 A 2 A max continuous Environmental Operating temperature 10 C to 60 C 14 F to 140 F Storage temperature 25 C to 70 C 13 F to 158 F Humidity 5 to 95 non condensing Standard CATIII Measurement category III Pollution Degree 2 a Double insulation at user accessible area 500 gms approx shipping RS 485 serial channel connection Industry standard Modbus optional RTU protocol EM6400 series Emission CISPR22 Fast Transient 4kV IEC 61000 4 4 conforms to Surge withstand IEC 61000 4 5 Damped Oscillatory IEC 61000 4 12 ESD IEC 61000 4 2 Impulse voltage 6 kV IEC 60060 1 2 50 us Isolation 2k VAC isolation for one min between all isolated circuits including communication port Protection against dust Front IP 51 Back IP 40 and water NOTE For 5 A universal power meter additional error of 0 05 of full scale for power meter input current below 100 mA 16 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 2 Safety Precautions Chapter 2 Safety Precautions This section contains important safety precautions that must be followed before attempting to install service or maintain electrical equipment Ca
41. d 57 EM6400 Series Power Meters Chapter 6 Data Communication 58 CTD7303 01 2011 Parameter Description Address Type EM 6400 PF ANE AE A Metering Frequency Metering Frequency ss Feat Par Pak KI Forge en Power Quality ml bn Notage 0 phase CO mu forage HO mer be Pal ma Notage phases pues Pal ni pue paso be Pal e pw phase fees Pal mu pw ee pari Fem gt Energy Fam Forward apparent energy pos Feu p p p p Feit Forward acive energy ber Fou M b kk FwdVARh Forward reactive inductive 13963 Float energy FwdVARh Forward reactive capacitive 3965 Float energy Rewan Reverse apparent eneray be Fe e Rewm Reverse active energy joe be M RevVARh Reverse reactive inductive 13971 Float Energy RevVARh Reverse reactive capacitive 3973 Float Energy Onhrs vos ee log rv p p p FwdRunsecs Forward run seconds be ong e b P Intr Number of power 3999 interruptions Demand Max DM aximum demand occurrence 3981 Occurrence Time time Long o Float e Float e d D F Glo 5 D als OI SS D 3 als a H DID o elo ola Dja 3 0 D 3 alg a Float Long Percentage of Load parameters Float Float Float e e e Float e Avg Load Average load percentage 3881 L1 Percentage of phase 1 load 3883 L2 Percentage of phase 2 load 3885 L3 Percentag
42. dicates a potentially hazardous situation which if not avoided can result in property damage OTHER SYMBOLS This symbol indicates direct and alternating currents This is double insulation symbol which indicates that the user accessible area is protected throughout by double insulation or reinforced insulation O 2011 Schneider Electric All rights reserved 3 PLEASE NOTE Electrical equipment should be installed operated serviced and maintained only by qualified personnel No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Table of contents Chapter 1 EM6400 Series Power Meters Product Description siinrrrnnss 7 PIIYSIEAaL DESCHDLION E 7 FIO MNT e EE 8 EIGHl SEIMENTL LEDS Dl Vous oa a iio 8 E 0 EE 8 The Indicators Kilo Mega and Negative uni a a 9 A A ee a e 10 A E 11 AUS ee eat ee a tata EE EE 12 DEIAUIE DISPLAYA VIEW WEE 12 A EE 13 Models and Parameters with EM6400 Series Power Meiers 14 EM6400 Series Power Meters Technical Specification nenn 16 Chapter 2 Safelv Pr amp ecaullonS src 17 EE 19 PROG Menu Setup uuussnsensnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnennnnnnnnnennnnnnnnnsnnnnnnnnnsnsnnnnnnssnnnennnn 19 Quick setup While powering ON 19 Enter Setup Menu in View Read Only Mode 21 Enter Setup HE Mie Edt Ve
43. e of phase 3 load 3887 Unbalanced load 3889 O JO O O ANNE o D Q CH O o Float Load Unbalanced Unbalanced voltage 3891 voltage Float NOTE THD values are indicative only 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 6 Data Communication Block Parameter Address Total RMS Block e Function Code 03H Read e Number of registers 20 e No scaling required e Read as block only Table 6 5 Total RMS block mein or o aso asa pee pao Er VA TAperenipomeii P Fm pop E Acto ponerla P bare pp po ms Rosen power cus P mare p ear PFE ppp o ML Average ine one vago PS Pk CL CO pro F Frequency o Pk p p o eene Reserved fo fon III mr A Pe Jump K KK R phase RMS Block e Function Code 03H Read e Number of registers 20 e No scaling required e Read as block only Table 6 6 R phase RMS block TT TN N43 6400 Apparent power 3031 Float phase1 AR power phase1 13033 Float L qe JN E Reactive power 3035 E phase1 EARN Fer factor phase1 3037 ECT n 2 Voltage phase1 to 3039 Float phase2 Voltage phase to 3041 Float neutral Oe ER EE INI LLL Intr1 Number of ci Long interruption O 2011 Schneider Electric All rights reserved 59 EM6400 Series Power Meters CTD7303 Chapter 6 Data Communication 01 2011 Y phase RMS Block e Function Code 03H Read e Number of registe
44. ed 9 EM6400 Series Power Meters CTD7303 Chapter 1 EM6400 Series Power Meters Product Description 01 2011 Smart Keys Operating the power meter is easy using the five smart keys to navigate through the display pages The display pages expand as you go to the right much like the directory or explorer tree displayed on any computer The display shows where you are headed Table 1 4 Smart keys description Right Key e Go forward into sub parameter pages e Going right past EDIT in SET and CLR requires code entry to enter PROG menu setup and clear e During setup select next right side digit Left Key Go back towards to the main parameter pages During edit setup selects previous left side digit Exits from Edit mode back to the PROG menu setup The meter enters the SIM simulation mode when you press the left key continuously during the powerup of the power meter See SIM Simulation mode on page 73 for more information Up Key e Scroll up through display pages at the same level within the same function e Continuous pressing for three seconds initiates limited auto scroll within the same function See Auto scroll on page 12 for more information e While editing increases the value of the blinking selected digit Down Key e Scroll down through other display pages at the same level through all functions e Continuous pressing for three seconds initiates the full auto scroll mode through al
45. ent transformers usually have a full scale output of 5 or sometimes 1 A The PTs VTs and CTs must be planned installed and tested by a qualified electrical contractor before wiring the power meter The accuracy of the measurement also depends on the accuracy and phase angle error of the PTs VTs and CTs Instrument class 1 or better PTs and CTs are recommended Do not use protection class 10P10 etc CTs to feed the power meters they have poor accuracy and phase characteristics Ensure that the CT Primary rating has been selected so that your normal load variation lies between 40 and 80 of its full scale If your CT is over rated e g if the load is always less than 10 of the CT primary rating then the accuracy suffers On the other hand if the CT is under rated then you may exceed its full scale As a result both the CT and the power meter will burn out PT VT CT Wiring The PTs VTs and CTs must have adequate VA rating to support the burden loading on the secondaries You may want to support the auxiliary supply burden from one of the PTs VTs CT wiring can impose additional burden loading on the CT For example if the CT has a 5 A secondary and the wire resistance is 1 0 Q then the CT has to support an additional burden of 5 VA If the wiring distance from the CT secondary is greater than stated in Table 5 5 on page 41 then the CT could get over burdened and give large errors Choosing a 1 A CT secondary can redu
46. fault display page is active press and 2 simultaneously to unlock the key page The power meter displays ULOC NOTE Entry into setup PROG is allowed only when the display page is unlocked Default Display Page through Communication e You can lock and unlock the default display page through communication ConPAD e f the default display page is locked by operator through communication the default display page can be unlocked through front panel e f the default display page is locked by supervisor through communication the operator cannot unlock the default display page through front panel and communication Only supervisor can unlock through communication 12 O 2011 Schneider Electric All rights reserved CTD7303 01 2011 O 2011 Schneider Electric All rights reserved EM6400 Series Power Meters Chapter 1 EM6400 Series Power Meters Product Description Rear Panel The EM6400 series power meter terminals are located on the rear panel 14 terminals are provided seven terminals on each side e Six terminals for current one in and one out per phase e Four terminals for voltage for three phases and neutral e Two terminals for auxiliary power supply control power e Two terminals for the RS 485 communication port Figure 1 2 Rear panel Input current terminals Input voltage terminals A1 A2 A3 V1 V2 V3 VN Auxiliary supply control power terminals RS 485 communication terminals EM6400
47. ghts reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 6 Data Communication Chapter 6 Data Communication This section is applicable only for EM6400 series power meters with RS 485 communication option RS 485 Data Port Installation Data Port advantages e Rapid on line real time readings into e Your own SCADA software or PLC e Schneider Electric energy management software products such as ION Enterprise Vijeo Citect PowerLogic SCADA for pinpointing energy usage and waste e Schneider Electric ConPAD Power meter programming and basic data reading utility e Data port has built in impedance matched design for low reflectance on long data cables at high Baud rates Eliminates need for complicated impedance matching resistors at the ends of long data cables e Fast 16 ms power meter response average time to read 10 parameters is 90 to 100 ms 9600 Baud Even parity One stop bit e Direct reading pre scaled Float readings Accurate full precision low and high readings No need for additional scaling factors or decimal adjustment e Fast easy to use grouping of parameters tuned for field requirements e TURBO area for single point polling upto 50 per query e Block area for even faster access to pre configured data blocks Figure 6 1 2 wire half duplex communication connection EM 6400 power meters rear view RS 485 communication port
48. he dot on the CT must face the line side the corresponding secondary connection must connect to the appropriate input on the power meter Failure to connect CTs properly results in inaccurate power readings If your power meter is not reading power properly it is more than likely that the CT is incorrectly wired If one or two CTs are reversed then energy parameters accumulate only one phase value If two or all the phases of the CT are reversed energy will not accumulate Energy import will not be measured CT Connection Reversal To check the polarity of the CT after the power meter has been installed simply look at the phase wise W Watt readings to see that each of the readings are positive assuming you are consuming power If one of the W readings is negative that particular phase CT is reversed and must be corrected On the other hand if you are exporting power all three phase wise W readings must be negative O 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 5 Installation Setup System Type The power meter needs to know the type of system to which it is connected to This information is programmed in the setup procedure before using the power meter The power meter does allow you to change this setting while it is running however this capability is meant for correcting a gross error or for training or educational purposes it is not to be changed on regular
49. hen shows EDIT 3 Press lt to return to SET NOTE If you do not want to save the new value press W to change the value from SAVE y to SAVE n in step 1 Then press S Or lt The display flashes FAIL and shows EDIT Proceed to step 3 O 2011 Schneider Electric All rights reserved 25 EM6400 Series Power Meters Chapter 3 Quick Start Guide 26 CTD7303 01 2011 Clear INTG and Maximum Demand MD The power meters are equipped with energy integrator INTG where the energy parameters are accumulated e INTG CLR Clear both INTG and MD values e INTG MD Clear only MD values NOTE iimeans blinking means blinking y INTG Clear 1 From RMS press A The display shows CLR CODE entry is required to clear the INTG values 2 Press 2 fortwo seconds The display shows CODE 2000 with blinking 2 The factory set CODE is 1000 3 Press Y The display shows CODE 1000 with blinking 1 4 Press once or four times to accept the new value After the successful CODE entry the display shows CLR INTG 5 In order to clear INTG press 2 The display shows CLR INTG y with blinking y 6 Press to clear INTG The display flashes PASS and then CLR INTG Press The display shows CLR Press Y to return to RMS page NOTE If you do not want to clear the integrators press Y to change the value from CLR INTG y to CLR INTG n in step 5 Then press gt The display flashes FAIL and then show CLR INTG Proceed to step
50. hese voltage phase angles are not available in the power meter display TURBO and Percentage of Load Blocks These parameters can be read individually or as a block TURBO block 50 parameters maximum Percentage of Load block 5 parameters maximum e All power meters addresses should be set between 1 and 247 e All power meters should have uniform communication settings like Baud rate parity and stop bit Use Diagnostic mode display in the power meter to analyze the problem in communication Error u Invalid unit ID A Invalid Address c CRC error cyclic redundancy checking t Transmitting r Receiving F Invalid function code o Parity framing or overrun error O Buffer overflow O 2011 Schneider Electric All rights reserved 65 EM6400 Series Power Meters CTD7303 Chapter 6 Data Communication 01 2011 66 O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 7 Maintenance And Troubleshooting Chapter 7 Maintenance and Troubleshooting Introduction This chapter describes information related to maintenance of your power meter The power meter does not contain any user serviceable paris If the power meter requires service contact your local sales representative Do not open the power meter Opening the power meter voids the warranty CAUTION HAZARD OF EQUIPMENT DAMAGE e Do not perform a Dielectric Hi Pot or Megger test on the power meter tes
51. ights Reserved SEI EM6400UM O1 11 V01 d10
52. inals Then proceed to the remaining steps 2011 Schneider Electric All rights reserved 43 EM6400 Series Power Meters Chapter 5 Installation 44 CTD7303 01 2011 Auxiliary Supply Control Power The EM6400 power meter requires a single phase AC DC auxiliary control power supply to powerup its internal electronic circuitry External surge suppressors are necessary in the auxiliary supply circuit for proper operation during extreme surge conditions where the voltage surges exceed the auxiliary supply limits for example rural areas and outlying areas prone to lightning strikes Range e 44 to 300 VAC DC e Burden load lt 3 VA at 240 V e The control power may be derived from the voltage signals e f you have a 440 V 3 wire delta system and a reliable neutral is not available use a 440 V 240 V supply transformer to provide the standard 240 V auxiliary supply NOTE It is much easier to set up the meter before you mount the meter on the panel See Quick setup on page 19 for more information PTs VTs and CTs Large electrical installations have high voltages and currents which may exceed the direct connection rating of the power meter In this case potential transformers PTs and current transformers CTs are used to precisely step down or reduce the voltage and current levels to suit the power meter rating Potential transformers usually have a full scale output of 110 VAC RMS line line and curr
53. ing Allow space for terminal blocks CT shorting blocks fuses auxiliary contactors and other necessary components Viewing For ease of operation the location should be preferably at or slightly above eye level For viewing comfort minimize glare and reflections from strong light sources 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 5 Installation Mounting The power meters are panel mountable Table 5 2 Mounting Specification 92 mm w x 92 mm h IEC 61554 and DIN 43700 0 5 to 4 0 mm The cut out should be punched with the proper tool and should be free from burrs The following figure explains the mounting of the power meter Figure 5 2 Mounting Remove the mounting clamps from the power meter 2 Gently slide the power meter through the cut out Put the mounting clamps back in the power meter and tighten the mounting clamps screws While supporting the power meter from the front tighten both side clamp screws in a criss cross pattern till all slack is taken up and then apply one full turn Do not over tighten Over tightening could result in breaking of the clamps 2011 Schneider Electric All rights reserved 41 EM6400 Series Power Meters Chapter 5 Installation CTD7303 01 2011 The power meter should be separated from other equipments and sufficient space must be provided all around the power meter to al
54. l functions See Auto scroll on page 12 for more information e While editing decreases the value of the blinking selected digit TURBO Key e TURBO key is simple one touch access to the most commonly used parameters pages factory set The TURBO pages for EM6400 series power meters are given below EM6400 RMS home page VLL A PF VLN A F VA W PF VA W VAR W VAR PF PF1 PF2 PF3 V 123 A 1 23 VAd RD TR MD HR VAh Wh RVAh RWh tVAh tWh EM6433 RMS home page A W Wh EM6459 RMS home page VLL A PF VLN A F EM6434 RMS home page VA W PF VA W VAR W VAR PF PF1 PF2 PF3 VAh and Wh EM 6436 RMS home page VLL A PF VLN A F A W PF PF1 PF2 PF3 Wh and Run h If you re lost the TURBO key is a quick way to get back to the RMS home page Continuous pressing for three seconds initiates auto scrolling through the above TURBO pages See Auto scroll on page 12 for more information During the powerup if the TURBO key is pressed the power meter goes directly in to PROG menu Setup This is the easiest way to enter in to the setup menu See Quick setup While powering on on page 19 for more information 10 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 1 EM6400 Series Power Meters Product Description Keypad Operation Press the key in the direction you want to go The display shows where you
55. lays e Voltage Three voltage measurements line to line 1 2 2 3 3 1 and average Three voltage measurements line to neutral 1 4 2 4 3 4 and average e Current Three current measurements phase wise 1 2 3 average current of all three phases neutral current and three current phase angles A1 A2 A 3 with respect to the corresponding voltage line neutral vector e Phase wise load in Three currents in of the FS A FS e Unbalanced load in Current and voltage unbalance e Frequency Measures from whichever phase is active e RPM Measures the speed of the generator e Power VA W VAR per phase and total PF per phase and average Per Phase W readings provide a quick CT Polarity Check A negated W phase reading indicates CT reversal e Energy VAh Wh VARh Ind VARh Cap Run hours On Hrs supply interruptions outage e Energy OLD VAh Wh VARh Ind VARh Cap Run hours e Amperes load bar graph Load bar graph indicates consumption in terms of amperes total You can quickly estimate the load by viewing the display without operating any keys The bar graph consists of 12 segments Each segment indicates a current load of 10 of CT primary e Kilo Mega Giga indication for the above parameters See The indicators on page 9 for more information O 2011 Schneider Electric All rights reserved 15 EM6400 Series Power Meters CTD7303 Chapter 1 EM6400 Series Power Meters Product Descri
56. lectric All rights reserved 45 EM6400 Series Power Meters Chapter 5 Installation 46 CTD7303 01 2011 CT Connections Mount the current transformers CTs as close as possible to the power meter for best accuracy The following table illustrates the maximum recommended distances for various CT sizes assuming the connection is via 2 5 mm 14 AWG cable Table 5 5 CT size and maximum distance Maximum Distance in metres in feet inch CT to EM6400 power meter 3 05 m 10 ft 120 in 4 6 m 15 ft 181 in 18 3 m 60 ft 720 in 36 6 m 120 ft 1441 in e User programmable CT primary range 1 Ato 99 kA AC e CT secondary 1 or 5 AC programmable Other values are also programmable to compensate CT errors if desired e Power meters CT burden 0 2 VA maximum per input See the PROG menu Setup on page 19 for more information NOTE The PT primary and secondary values must be user programmed before using the power meter Otherwise the readings will be incorrect With dual range CTs select the best range for programming the power meter If you change the range thereafter without re programming the power meter the power meter will read erroneous values CT Polarity When the power meter is connected using the CTs you must maintain correct CT polarities CT polarities are dependent upon correct connections of CT leads and upon the direction the CTs are facing when clamped around conductors T
57. ll through the display pages Figure 1 1 Parts of EM6400 series power meter front panel 120 A FS 110 Color coded analog load bar Indicators Eight segment LED display Keys Conzerv EM6400 Eight segment LED display e Four line three digits eight segment LED display e The power meter displays the parameter name prominently right on the large alphanumeric readouts e The power meter displays the parameter name for two seconds and then the value for eight seconds The parameter name is also displayed each time when you press a key This helps the user to know which parameter is currently displayed e This method also allows programmable phase soft Labels in the power meters You can choose from 123 factory setting ABC RYB PQR or RST Analog Load Bar e Unique indication of total load with respect to the full scale through the 12 LEDs at the right side of the display e This is bar graph where each LED indicates 10 of load e To find the total load count the number of illuminated LEDs and then multiply by 10 Table 1 1 Load percentage and bar graph indication Load Bar graph display percentage Less than No LEDs are lit 10 Between 10 to Amber LEDs are lit 40 Between 50 to Green LEDs are lit to indicate that the load is acceptable and should not 80 be increased further Above 80 Red LEDs are lit to indicate that the load has exceeded the sanctioned limit and is dangerous 8 2011 Sch
58. llowing section need to be wired For Single phase wiring configuration see Single phase connection with 1 CT on page 50 for more information O 2011 Schneider Electric All rights reserved 47 EM6400 Series Power Meters Chapter 5 Installation 48 CTD7303 01 2011 Phase Labels The phase labels shown on the display are programmable via the power meters front panel PROG menu You can setup the meter to display phase labels convenient to your practice The choices available are 123 factory set RYB RST PQR ABC Connection Diagrams Choose the diagram below that best describes your application You must ensure that the CT phase and corresponding PT phase are identical and that the CT polarity is correct Follow the outlined procedure to verify correct connection Connection Diagram Symbols Table 5 6 Connection diagrams symbols en 3 phase 4 wire WYE connection Direct voltage connection for the input voltages L L up to 600 VAC Otherwise use three PTs Figure 5 3 3 phase 4 wire WYE connection D 025 lite 13 N LINE S1 CT AT lt gt LO q V VN s2 I ei CT S1 9 ee Other Meters D e Sa 44 to 300 VAC DC A3 S US Aux Supply O al se Control power s2 Zi LOAD Y Other Meters In Series NOTE om K7 Communication Make sure WYE Star is programmed in the power meter PROG menu Setup For High leg US connection L1 N 120V L2 N 208 V L3 N
59. low air to rise vertically around the power meter Lack of sufficient air for cooling may result in over heating of the power meter NOTE It is much easier to set up the meter before you mount the power meter on the panel See Quick setup on page 19 for more information Electrical Installation 42 This section describes the following e The need for and selection of potential transformers PTs and current transformers CTs e Auxiliary supply control power PT VT and CT connections For best results ensure the following specifications e Torque driver preferred hand screwdriver OK e TIP Phillips head is preferred but flat head is acceptable Do not use Pozidriv tips Screw head diameter 3 5 mm 0 14 in TIP shaft diameter lt 5 mm 0 2 in IMPORTANT Screwdriver shafts inserted angularly or of diameter 25 mm 0 2 in will get stuck in the cover Tightening Torque 0 25 to 1 N m 2 21 to 8 85 Ib in Torque gt 1 N m 8 85 Ib in may strip the screw or break the cover Loosening Torque 1 2 N m 10 62 Ib in Screw Travel 6 mm 0 24 in less wire thickness Connecting cable Table 5 3 Connecting cable Insulation Rating Current Rating Voltage Circuit 600 VAC Current Circuit gt 600 VAC gt 75A Or 2 5 mm 14 AWG minimum NOTE Installations should include a disconnecting device like a switch or circuit breaker with clear ON OFF markings to turn off the auxiliary su
60. ls 284 Resps 282 1 After starting the Modscan to read Apparent power total VA total enter address as 3901 decimal length as 2 device ID as 1 Modbus point type as 03 and HOLDING REGISTER 2 Modify the connection details Click connection gt connect to see the connection detail window Change all the settings to match the following screen These are default settings of the power meter 77 ModScan32 ModSca1 ES De jp O amp v N Seile c aja Device Id T Address MODBUS Point Type Length R UREA Connection Details Connect Using Direct Connection to COM4 m Configuration Hardware Flow Control Device NOT CONNE Baud Rate 13600 43901 3733283 2500 Wait for DSR from slave 43902 Word Length 8 z Delay p ms after RTS before transmitting first character Parity v M Wait for CTS from slave Stop Bi 1 Delay 10 ms after last character op Bits before releasing RTS Protocol Selections Conca For Help press Fi 95 EM6400 Series Power Meters Chapter 6 Data Communication 56 CTD7303 01 2011 3 Setthe Modbus protocol selections On Connection details window shown in previous step click on Protocol Selections Enter the protocol settings as shown below and click OK in all the windows ModScan32 ModSca1 oe H Blea av ege Ser Device Id Address MODE Pnin 1 Length e 03 HORE SERIE Transmission Mode STANDARD DANIEL ENRON OMNI
61. ltages L L up to 600 VAC Otherwise use two PTs Figure 5 6 2 phase 3 wire connection L1 L N LINE Other meters in series mes S1 CT PT if VACLL gt 601 V Other Meters 0 25A o N a 50mA to 6A Acc Cl X X 44 to 300 V 50 60 Hz lt 5 VA Lt lt A Z a 44 to 300 VAC DC a Ra Aux Supply 6 27 Control power s2 das D1 DO LOAD v RS 485 lt gt Communication NOTE Make sure 2 phase is programmed in the power meter PROG menu setup Single phase connection Direct voltage connection for the input voltages L L up to 600 VAC Otherwise use one PT 1 Program the power meter in single phase mode However voltages primary and secondary need to be programmed as Line to Line 2 Connect the voltage and current inputs only to the V1 and A1 voltage and current terminals of the power meter 3 The unused current terminals A2 and A3 must be shorted together to reduce noise picked up in the power meter 4 However the energy parameter readings will be accurate Figure 5 7 Single phase connection L1 N LINE CT Other meters in series 1 mE 0 25 A o d SA S O e 9 s 8 z m wv D_ 50mA to 6A FE Acc Cl X X Other Meters gt 1 44 to 300 VAC DC Aux Supply Control power Lt N 1 44 to 300 V 50 60 Hz lt 5 VA Een Aux Supply ok o q z o D 00 al LOAD E Communication 50 2011 Schneider Electric All ri
62. neider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 1 EM6400 Series Power Meters Product Description The Indicators Kilo Mega and Negative Table 1 2 Indicators Kilo When lit indicates that the reading is in Kilo 10 10 000 is displayed as 10 00 K and 1 0 K as 1000 Mega When lit indicates that the reading is in Mega 10 10 000 K is shown as 10 00 M and 1 0 M as 1000 K Giga When Kilo and Mega are lit together the reading is in Giga 10 10 000 M is shown as 10 00 G and 1 0 G as 1000 M Negative When lit indicates that the reading is negative as per IEEE 100 and industry standard practice When PF power factor is lead capacitive load Both PF and VAR reactive power sign will be negative When current is reversed W active power is negative Table 1 3 Giga Mega M Kilo K and decimal point scaling Less than 0 001 K M OFF displays 0 000 Less than 9999 K MOFF Above 9999 K ON MOFF RMS readings are four digits Energy readings have eight digits including four additional fractional digits The maximum number the power meter handles is 9 999 G for RMS and energy values This means that the energy readings of the power meter will overflow at three values of Wh active energy or VAh Apparent energy selectable through PROG menu setup depending upon the PT VT and CT ratios programmed O 2011 Schneider Electric All rights reserv
63. nsformer W Wh Active energy O 2011 Schneider Electric All rights reserved 77 EM6400 Series Power Meters CTD7303 Appendix C Glossary 01 2011 78 O 2011 Schneider Electric All rights reserved CTD7303 01 2011 INDEX AC Power Measurement 3D kVA Measurement 38 Consumption and Poor PF 38 3 phase systems 37 Auto scroll Within page group column of pages and TURBO pages 12 Block parameter address B Phase RMS block 60 Forward Integrated block Reverse Integrated block 61 Max Demand block OLD Forward Integrated block 63 OLD Reverse Integrated block OLD Total Integrated block 64 Phase angle block SETUP block 65 Total Integrated block Demand block 62 Total RMS block R phase RMS block 59 Y Phase RMS block 60 Clear INTG 26 MD 27 Communication Test 55 Connections Connection diagram symbols 48 Delta connection 49 Fuse recommendations 45 Open delta connection 49 single phase connection 50 2 phase connection 50 Wye star connection 48 Data Address Block parameter address 59 Individual parameter address 57 Data communication 51 Daisy chaining devices to the power meter 52 Data formats and settings 53 Default display View page O 2011 Schneider Electric All rights reserved EM6400 Series Power Meters Index Display lock and unlock 12 Demand Power Calculation Methods Auto Sliding block User Fixed block 29 Electrical installation 42 Energy Integrator Integrator o
64. only VA1 Volt amperes phase 1 VA2 Volt amperes phase 2 VA3 Volt amperes phase 3 W1 Watts phase 1 W2 Watts phase 2 W3 Watts phase 3 VAR1 VAR phase 1 VAR2 VAR phase 2 VAR3 VAR phase 3 PF1 Power factor phase 1 PF2 Power factor phase 2 PF3 Power factor phase 3 INTG Fwd Forward Integrator VAh Fwd Volt ampere hours Wh Fwd Watt hours inductive lt gt JJ T e I D S 2 lt O D D O VARh Fwd Reactive energy capacitive Run h Fwd Run hours OLD Fwd OLD Forward Integrator VAh OLD Fwd Volt ampere hours Wh OLD Fwd Watt hours lt gt JJ O LI TI St J D S Q lt D D O e SET VIEW Diat Communication settings Ges Dia2 Product model and version number ee Dia3 Display scanning for display LED check SET Has two modes EDIT VIEW set parameters VIEW To view simultaneous setup parameter name and value displa EDIT To edit simultaneous setup parameter name and value display O CLR Clears INTG values 2011 Schneider Electric All rights reserved 33 EM6400 Series Power Meters CTD7303 Chapter 3 Quick Start Guide 01 2011 EM6400 Power Meter Menu Hierarchy RMS value display pages are in sub leve VLL Phase Phase voltage average A Current average PF Power Factor average VLN Phase Neutral voltage average A Current average F Frequency in Hz
65. ormer errors However incorrect settings will introduce errors in readings of other running systems CAUTION HAZARD OF UNINTENDED OPERATION Only qualified personnel are authorized to set up the power meter Failure to follow this instruction can result in injury or equipment damage You can enter the PROG menu setup in e View only mode To view the set parameters e Edit mode To view or edit set parameters Quick Setup While powering ON e This is the easiest way to enter the PROG menu setup e To make connections see Connection diagrams on page 48 Here are few tips Figure 3 1 Quick setup connections Use CT Y Use CT2 f Use CT3 a U j A RS 485 communication Aux supply 4 control power 44 to 300 VAC DC O 2011 Schneider Electric All rights reserved 19 EM6400 Series Power Meters CTD7303 Chapter 3 Quick Start Guide 01 2011 1 Connect auxiliary supply control power 44 to 300 VAC DC to terminals 12 and 13 in order to power ON the power meter e Keep g pressed for two seconds while powering up the power meter The power meter enters directly into PROG menu setup and displays EDIT A PRI 100 0 Program the following setup parameters for accurate readings e A pri A sec Set these values to match your CT primary and secondary values For example if your CT Ratio is 200 5 set A pri 200 0 and A sec 5 000 e V pri V sec e Set these values to match the input volt
66. ow The overflow value depends on the product of the primary voltage and current rating Table 3 1 Integrator overflow V PRI x A PRI x Max reading Max time to Max time to 1 732 Wh V Ah reset the overflow in integrator in months at full Run Hours scale 1 VA to 1000 VA 9999 k 9999 13 88 1 KVA to 1000 KVA 9999 M 9999 13 88 1 MVA to 1000 MVA 9999 G 9999 13 88 gt 1000 MVA DO sm OLD Data Register e The power meters have an OLD data register where the cleared INTG values are stored e The energy values in the integrator are transferred to the OLD register when the INTG is cleared manually due to overflow Thus the OLD energy values are not lost even after the integrator is cleared and can be viewed with the OLD parameter Remember that the OLD values will be 28 O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 3 Quick Start Guide overwritten when the INTG is cleared next time e The values of parameters Wh VAh VARh VARh and Run h are stored in the OLD register when the INTG is cleared Demand Power Calculation Methods Demand power is the energy accumulated during a specified period divided by the length of that period How the power meter performs this calculation depending on the method you select To be compatible with electric utility billing practices the power meter provides the following types of demand power calculations e Auto sliding block
67. pply control power The disconnecting device should be placed within the reach of the equipment and the operator O 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 5 Installation Terminal connections using lugs Terminal connection using U lugs espe Lug type Insulated sleeved U lugs Cross section 2 5 mm 14 AWG It is very simple and easy to connect the terminals using the U lugs The following steps explain how to connect the power meter terminals using U lugs 2 2909999 5 2000000 o 1 Loosen the terminal screw 2 Connect the wire with the U lug to the power meter terminal 3 Tighten the terminal screw Terminal connections using ring lugs em Lug type Ring lugs Cross section 2 5 mm 14 AWG To connect the terminals usio ring lugs follow the steps explained below 1 Remove the protective cover from the power meter 2 Remove the terminal screw from the power meter 3 Connect the wire with the ring lug to the power meter terminal 4 Place the terminal screw back in the terminal and tighten the terminal screw 5 Place the protective cover back and tighten the protective cover NOTE The above example explains connection for only one terminal In order to connect the other terminals repeat the steps 2 and 3 for as many numbers of term
68. ption 01 2011 EM6400 Series Power Meters Technical Specification The EM6400 series power meters are high accuracy low cost ultra compact power and energy meter series lt offers ISO 9001 quality accuracy and functional flexibility Selective models of this series have Modbus RTU communications capability The standard unit flush mounts in a DIN 96 cutout and conforms to UL product standards The power meters are designed for retrofit applications such as replacement of analog meters Each can be used as standalone meter in electrical control panels power distribution unit PDU switch boards uninterrupted power supply UPS generator sets and motor control center MCC systems lt also provides easy communication to program logic control PLC distributed control system DCS building management system BMS and other systems The following table gives the technical specifications of the power meters Refer to Technical data on page 71 for more information Table 1 6 Technical specifications True RMS one second update time four quadrant power and energy Class 1 0 as per IEC 62052 11 and IEC 62053 21 Optional Class 0 55 0 25 as per IEC 62052 11 62053 22 and ANSIC12 20 Control power Voltage and current input lt 0 2 VA per phase Auxiliary supply Control power lt 3 VA at 240 V RMS four digits INTG eight digits Four voltage inputs V1 V2 V3 VN 110 or 415 VACLL nominal Range 80 to 600 VAC LL Input
69. r two seconds The display shows CODE 2000 with 2 blinking The factory set code is 1000 6 Press Y The display shows CODE 1000 with 1 blinking 7 Press once or 2 four times to accept the new CODE value The display shows PASS and then EDIT A PRI 100 0 indicating the successful entry to the setup menu in edit mode A WO Na NOTE If you enter an incorrect code the display flashes FAIL and then displays EDIT Repeat the procedure and make sure that you enter the correct code O 2011 Schneider Electric All rights reserved 21 EM6400 Series Power Meiers CTD7303 01 2011 Chapter 3 Quick Start Guide 22 Setup Parameters in View and Edit Modes A PRI Current primary winding CT Input range 1 Ato 99 KA Default value is 100 0 A SEC Current secondary winding CT Default value is 5 000 V PRI Voltage primary winding PT line to line Input range 100 V to 999 kV Default value is 415 0 V SEC Voltage secondary winding PT line to line Input range 80 V to 600 V Default value is 415 0 SYS System configuration Select from StAR dLtA 2 ph 1 ph Default value is StAR LAbL Phase labeling Select from 123 RYB RST PQR ABC Default value is 123 VA Fn VA function selection Select between 3D ARTH Default value is 3D d SEL Demand selection Select from AUTO User Default value is AUTO NOTE Changing these values while device is in use is not recommended BAUD PRT
70. refully read and follow the safety precautions outlined below DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH e Apply appropriate personal protective equipment PPE and follow safe electrical work practices In the USA see NFPA 70E e Only qualified electrical workers should install this equipment Such work should be performed only after reading this entire set of instructions e f the equipment is not used in a manner specified by the manufacturer the protection provided by the equipment may be impaired e NEVER work alone e Before performing visual inspections tests or maintenance on this equipment disconnect all sources of electric power Assume that all circuits are live until they have been completely de energized tested and tagged Pay particular attention to the design of the power system Consider all sources of power including the possibility of back feeding e Turn off all power supplying the power meter and the equipment in which it is installed before working on it e Always use a properly rated voltage sensing device to confirm that all power is off e Before closing all covers and doors inspect the work area for tools and objects that may have been left inside the equipment e When removing or installing panels do not allow them to extend into the energized bus e The successful operation of this equipment depends upon proper handling installation and operation Neglecting fundamental installation
71. ric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 3 Quick Start Guide EM6400 Power Meter Menu Hierarchy Continued O 2011 Schneider Electric All rights reserved 35 EM6400 Series Power Meiers CTD7303 Chapter 3 Quick Start Guide 01 2011 EM6400 Power Meter Menu Hierarchy Continued 2 ML EES 36 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 4 AC Power Measurement Chapter 4 AC Power Measurement 3 Phase Systems A 3 phase system delivers higher levels of power for industrial and commercial applications The three phases correspond to three potential lines A 120 phase shift exists between the three potential lines A typical configuration has either a Delta connection or a Wye Star connection In a 3 phase system the voltage levels between the phases and the neutral are ideally defined by V1 V2 V3 V12 V3 V23 V3 V31 V3 In practice there will be some unbalance difference Voltages between the phases vary depending on loading factors and the quality of distribution transformers Power measurement in a poly phase system is governed by Blondel s Theorem Blondel s Theorem states that in a power distribution network which has N conductors the number of measurement elements required to determine power is N 1 A typical configuration of a poly
72. rs 20 e No scaling required e Read as block only Table 6 7 Y phase RMS block AS Si po p SS E EE oA DES E M memes P Pe FE PP porne Pr Pe me CL ms fm Pp fp EE B phase RMS Block e Function Code 03H Read e Number of registers 20 e No scaling required e Read as block only Table 6 8 B phase RMS block TT CIE cs q Fe Fr Er 6400 Apparent power 3091 Float phase 3 Wo ANE power Di 3 3093 y zs e factor Bin 3097 E NE SUBE a phase 3 to 3099 is ME phase 1 Voltage phase 3 to 3101 Float neutral 60 O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Chapter 6 Data Communication Forward Integrated Block e Function Code 03H Read e Number of registers 20 e No scaling required e Read as block only Table 6 9 Forward integrated block EVENE 6400 FwdVAh Forward apparent energy 3121 Float FwdWh Forward active Forward active energy 3123 23 da E NE reactive inductive energy a FF Reserved Reserved 3127 27 Float Float ra SS ss 29 Float A O EN A ia Lor MEE reactive capacitive energy NE 31 FF See mew o pm ma 1 1 Rem mem P ma See Fee By pel Pese ees E EE Reverse Integrated Block e Function Code 03H Read e Number of registers 20 e No scaling required e Read as block only Table 6 10 Reverse integrated block Parameter AAA too aso Sin 64
73. t voltages may damage the power meter e Before performing Hi Pot or Megger testing on any equipment in which the power meter is installed disconnect all input and output wires to the power meter Failure to follow these instructions will result in equipment damage O 2011 Schneider Electric All rights reserved 67 EM6400 Series Power Meters CTD7303 Chapter 7 Maintenance And Troubleshooting 01 2011 Troubleshooting The information in Table 7 1 describes potential problems and their possible causes lt also includes possible checks to perform or solutions to the problems After referring to this table if you cannot resolve the problem contact your local Schneider Electric sales representative for assistance A DANGER HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH e Apply appropriate personal protective equipment PPE and follow safe electrical practices For example in the United States see NFPA 70E e This equipment must be installed and serviced only by qualified personnel e Turn off all power supplying this equipment before working on or inside e Always use a properly rated voltage sensing device to confirm that all power is off e Carefully inspect the work area for tools and objects that may have been left inside the equipment e Use caution while removing or installing panels so that they do not extend into the energized bus avoid handling the panels which could cause personal injury Failure to follo
74. ut flush mount e Bezels dimension 96 x 96 mm Panel Cut out 92 x 92 mm e Weight 400 gms approx unpacked 500 gms approx shipping See Mechanical Installation on page 39 for more information O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Appendix B SIM Mode Appendix B SIM simulation Mode The EM6400 series power meters are provided with SIM mode for demo and exhibition display where the user can see the functioning of the power meter without any input signals The power meter will show a fixed voltage current frequency and 0 5PF Power and energy parameters are calculated based on the V A and PF displayed To Enter SIM mode e Keep the lt pressed while powering up the power meter The display shows RUN e Press V The display shows SIM e Press 2 The display shows RMS SIM You have successfully entered the SIM mode of the power meters To Exit from SIM mode e Press and hold the until you reach the RMS page e Press The display shows SIM e Press V The display shows RUN e Press 2 The display shows RMS indicating the exit from SIM mode O 2011 Schneider Electric All rights reserved 73 EM6400 Series Power Meters CTD7303 Appendix B SIM Mode 01 2011 74 O 2011 Schneider Electric All rights reserved CTD7303 EM6400 Series Power Meters 01 2011 Appendix C Glossary Appendix C Glossary Terms Auto sliding block An interval
75. ut burden lt 0 2 VA per input NOTE The PT primary and secondary values must be user programmed before using the power meter Otherwise the readings will be incorrect Selecting the voltage fuses We strongly recommend using fuses on each of the sense voltages except for neutral and the control auxiliary power Table 5 4 Fuse recommendation Line voltage 80 to 600 VLL 0 25 power Current Signal Connections The power meter accepts up to 6 A AC RMS per channel directly Above that a current transformer must be interposed to scale down the current There are three pairs of current input terminals marked A1 A2 and A3 Each pair of input terminals is labeled as S1 S2 and has an arrow indicating the direction of current flow For proper measurements the phase identification and the polarity of the current signals must be correct The forward flow import by consumer current direction must be into the S1 terminal and the exit from the S2 terminal Maintain the correct sequence and polarity to avoid incorrect readings Any unused current input terminals must be shorted together e g in Delta connection the terminals A2 81 S2 must be shorted together The shorted terminals do not need to be grounded Install the wiring for the current circuit at 600 VAC insulation as a minimum The cable connection should be rated for 7 5 A or greater and have a cross sectional area of 2 5 mm 14 AWG minimum O 2011 Schneider E
76. verflow OLD data register 28 Front panel Kilo Mega Giga and negative indicators 9 LED display Load bar 8 INTR 28 Keys Left Right Up Down keys 10 Operation 11 Maintenance and troubleshooting 67 Mechanical Installation 39 Panel considerations and Environment 40 on h 28 Parameters with power meters 14 EM6400 Series Menu hierarchy 34 EM6400 series power meters product description 7 PROG menu Setup List of setup parameters in View amp Edit modes 22 Quick setup While powering on 19 Setup entry in View mode 21 Setup entry in Edit mode 21 Setup parameters editing 24 Rear Panel 13 Safety Precautions 17 Symbols 3 SIM simulation mode 73 Technical specifications 16 Total RMS block 59 TURBO Key 10 79 EM6400 Series Power Meiers CTD7303 Index 01 2011 80 O 2011 Schneider Electric All rights reserved Schneider Electric India Pvt Ltd 44 P Electronics City East Phase Hosur Road Bangalore 560 100 India E in care in schneider electric com Toll Free Help desk Numbers 1800 180 1707 1800 103 0011 www schneider electric co in Conzerv PowerLogic and ION Enterprise are either trademarks or registered trademarks of Schneider Electric Electrical equipment should be installed operated serviced and maintained only by qualified personnel No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material O 2011 Schneider Electric All R
77. w these instructions will result in death or serious injury Table 7 1 Trouble shooting Potential Problem Possible Cause Possible Solution The data being displayed Incorrect setup values Check that the correct is inaccurate or not what values have been entered you expect for power meter setup parameters CT and PT ratings system type and so on See PROG menu Setup on page 19 for setup instructions Usage of protection class Use instrument class 1 or 10P10 etc CTs PTs better CTs PTs which will have better accuracy than the protection class CTs PTs Improper wiring Check whether all the PTs and CTs are connected properly proper polarity is observed and that they are energized Check shorting terminals See connection diagrams on page 48 for more information Active Power W reading CT may be reversed Check and correct the CT is negative connections Power may be in export 1 Check the mode Ifthe mode mode is in import s1 s2 need to be interchanged in one or two or in all the three phases Under this condition the energy will update in INTG Rev 2 Check the mode If it is in export then the energy will update in INTG Rev 68 2011 Schneider Electric All rights reserved CTD7303 01 2011 EM6400 Series Power Meters Chapter 7 Maintenance And Troubleshooting Potential Problem Possible Cause Possible Solution The display went blank suddenly The power meter stopped

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