EM/MPO2, ENC2 Elec Meter & Node Data Sheet
Contents
1. bit is used to add zero to the power values W VA VAr and zero increment to energy consumed values Wh VArh while the meter communications are faulty 64 62 ae as CD F m 8 ED F Miast m m E rep F3 i Fla 101 1 DH E Fad F5 ra 21 2 e Phase Energy Cons om TCL th C date ol del H geo de fa DH AF rp d F Ho J mi g TER dH Fo ADD SCLR b A s q e INTERNAL fB G60 GATE gH Fao DE Orr A He G40_ GATE ge co _ Gate Wh cons in Har D FwhenB 7 L_ _Ds E G F H J D FwhenB 1 D FwhenB 1 Wh GED 320 49 Comms fail Peal Default 0 C gt P19 PLOT Sensor 21 7 G4D 213 Period 30 Min 63 Ext or Int Sync Pulse oO From Page 3 Ei F2 102 G F3D DH E MULTIPLY D GxExF 67 e e 68 da Feo DH A ro j F7 69 fae Fit MULTIPLY gF Feo E i d F8 r j DHO dE2. 109 106 z aed 111 no 25 k 5 eT P i aay i x 4 E rap F26 1 5 ciao DH _ _4 E rep F28 Pa E F42D F42 ie F 22 v2 e 3 Ph Reactive Energy rom TCL WAM Col E ag D Oa CU ae AF ag DH AF Fao DHO Fa O O FB aap H F25p ADD SCLR p HB op HB on INTERNAL p GATE 4 EFH H G y GATE VAT cons in Halfar D FwhenB 1 De EG F A D FwhenB 1 D Fwhen B 1 Uh ni 49 P17 aD 320 Defauit 0 C Comms flint tiner f PLOT From Page 3 Sensor 2 Period 0Min 108 G4D 213 i Ext or It Syne Pulse F a F25 From Page 3 125 G F260 DH sH MULTIPLY D GBF 112 ee F2 ua Fee Di dE F F30 414 oa Ffi A F F20 130 s EE MULTIPLY pit qe Fa F31 S26 26 DOE 4e Fst dF ia w E dS feo Ho _4u Fs MAXIMUM de A INTERNAL n 2 W2V__ GATE KVAr HalfHirMaxDemand a D FwhenB 1 Unis w Defaut 0 Cy wav 181 4 Max Danand Reset 7 From Page 4 115 Ca E F32 3 1000 132 5 S18 VEA Law DL FD O T ae INTERN Fig 5 kVAr Half Hour Maximum Demand DIVIDE Reactive Energy Cons DICE Units MVA In
3. Defaut 0 O S 122 Ca S A S Q 120 K 12r E 0 00008 F35 123 a1 d F33 F34 15 EEA stv GE 49 ia E 1000000 134 Flr aie de rasp F36 S28 z Reactive Power X AF siv DH a Faa DH gt a Fan d 136 s v From Page 2 gt ad k a gt GF a9 DL Fap O f B cD GATE Flr DIVIDE 4H F3ep__ ADD SCLR de War INTERNAL D E G F H q CINE MVArh Usage D F whenB 1 D FGE i i D FwhenB 1 Uns Mvr GED 32 Comms fail interlock ti 49 son se e vuo O P20 PLOT Sensor B veal 24 Period 30 Min otalisor Reset From Page 5 m 124 22 gt F37 S19 56 E 1000 i f S19 y 2 3 Phase Apparent Power Peaks from TCL WO da s DLO d gt am N E i INTERNAL 1 DIVIDE Apparent Power Peaks DG Units WA Fig 6 MVArh Usage a E or F38 S0 Nja 3 Phase Active Power Peaks tom TCL W gt G s7 D wan rie F38D 4 O hi i INTERNAL 1 DIVIDE Active Power Peaks TAGE Units RW In Fig 6 F33 will normally gate through S15 Reactive Power VAr but if the meter communications fail it will gate through zero The active power is divided by 1000 000 by F34 and then multiplied by 0 00028 divided by 3600 correct to 5 places after decimal point within F35 The division by 3600 is to convert the MVAr value into MVArh consumed per second and then F35 and F36 together add this to the us
4. Clear Styrolux IP30 1 4 kg 2 part connector for 0 5 to 2 5 mm cross section area cable 2 part connector with 4 screw terminals for 0 5 to 2 5 mm cross section area cable 2 part connector with 2 screw terminals for 0 5 to 2 5 mm cross section area cable RS232 RS485 convertor connected to ENC2 by 25 Way D type female to 9 Way D type male 40 mm cable supplied RS232 RS485 convertor connected to EM MPO2 by 9 Way D type male to stripped ends 2 core 3 meter cable supplied The stripped ends are to be screwed into the EM MPO2 terminals EN50081 1 EN50082 2 EN61010 10 C to 50 C 0 C to 45 C 0 to 90 RH non condensing Flame retardance UL99VO Glow wire test UL746A 3 strategy v1 4 2 firmware IQ22x v1 3 RS232 RS485 convertor K2 ADE Trend Control Systems Ltd reserves the right to revise this publication from time to time and make changes to the content hereof without obligation to notify any person of such revisions or changes Trend Control Systems Ltd P O Box 34 Horsham Sussex RH12 2YF England Tel 44 0 1403 211888 Fax 44 0 1403 241608 www trend controls com EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 12
5. kVAh cons in half hr 30 mins 1000 30 mins 1000 MVArh Usage EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 5 EM MPO2 ENC2 Data Sheet 7 a9 j S 48 j Schematics u mm ao Da s gs ajan Jiz oH lanes FA Fle HYST BAND Ea Wax Dam Syre Pis q COUNTER Scale Factor 10 50 52 4992 210 3 Trg Pulse 30 Mures gt ts ry O fee G3 51 PEPETA HF oo ior di G2 oe tor 0H E a0 G4 Hafo m or id E F390 Of Delay T Hi Fem jke Pe F e20 or Pt T I i i am Jeg ke ka ofi aJ gt gt 1 Jz IE e wiv jm T 1 H oo COMB Ext or Int Sync Pulse 1 k 5 HH oo coms To Pages s 46 7 B JE j Jz EG l K Fg 1 1 i K1 vja ADJKNOB 7 wis s 80 Tht pulse time delay SWITCH Adjustment GF Erehe Bi Syre T Pin Level EJ Status T Top of Range 1799 Bottom of Range 0 Value 0 The above is set for internal 30 min maximum demand periods using bit 493 2 However it is possible to amend this to 15 min
6. periods using 493 1 or 60 min using 493 3 N B Knob 1 and it s upper limit should be amended accordingly Consideration should also be given to Maximum Demand scaling calculations and 3 r certain Sensor labels if time intervals other than 30 min are used is _ 54 55 me core a GE Al oo ro jen 320 7 DH s 650 H G6D gt gt Hepo M ha Comms fail interlock timer N H 00 COMB TIMER To Pages s 5 7 8 Fig 1 Sync pulse generation E E ono T2 The maximum demand period is based on the 30 minute timing pulse bit 493 2 As indicated in fig 1 the period could be changed to a 15 m or 60 m period Knob 1 K1 sets a delay 0 to 1799 s 29 m 59 s on the standard timing pulse to specify the start of the maximum demand period This is done by a combination of logic modules G1 G2 and G3 G1 produces the delay on the falling edge of the timing pulse as specified by K1 G2 and G3 together then produce a 1s pulse at the end of the delayed pulse Logic module G4 then allows switch 1 W1 to select either this pulse or an external synchronisation pulse connected via digital input 1 11 G11 and F39 are used to ensure that the input to G4 remains set for one sequence cycle so that G4 will gate it through if appropriate The meter communication state is indicated by 19 if 19 1 meter communications are OK This is filtered by G6 so that it must stay OK for 2 secs for it to set bit 32 0 This
7. ACC EM Mk e RS485 to network interface ENC2 e Polarity independent CT connections e Suitable for use with VTs e Standard IQ Configuration modules e Automatic network test e 116 node addressable Physical For EM MPO2 and ENC2 see next page ACC EM MK EM MPO2 Meter Panel Mounting Kit dimensions in mm 185 lt gt RII B lt 4 a aul 159 6 Note Panel cutout for kit 180 x 46 mm a Detail of assembly to meter EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 1 EM MPO2 ENC2 Physical EM MPO2 meter dimensions in mm Data Sheet connection to ENC2 current terminals f LA OO00008090 SO0S008080 i al Au P1 P2 P P2 Als a CURRENT INPUT MAX 5A i A 8VA A TRY OOOOOSO20 GOSOOSODO SGOODSS O 7 a pat m sS 2 e TREND ewo Sa O PAGE ENTER as s SELECT o a5 8 Ko SET T 3 PHASE ao tea METER display z O O Q O Oo iQ 000 04 I 1 73 2 z WORT REF INET AAR SEN SATAN anes M eee Hiran a j 1 meter front panel cutout 5 dimensi
8. IP40 with front panel Fixing DIN rail 35 mm Weight 1kg EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 11 EM MPO2 ENC2 SPECIFICATIONS continued ENC2 Electrical CPU CPU Speed Cycle time Memory Supply voltage 230 24 Consumption Fusing Battery backup Battery Clock accuracy Network transmission Network distance 4k8 ene oe 68334 32 bit micro controller 16 78 MHz 1s 128 kbyte battery backed SRAM and 256 kbyte Flash 230 Vac 15 10 50 to 60 Hz 24 Vac 10 50 or 60 Hz or 24 Vdc 24 V to 36 Vdc 13 VA max No replaceable fuses required All protection self resetting Battery maintains time and logged data with mains off for at least 5 years Saft LM2450 3 V or equivalent 30 s per month typical 20 mA serial 2 wire current loop opto isolated polarity independent receiver balanced transmitter Dependent on cable type see table below 9k6 19k2 baud baud 9207 1000 m 1000 m 1000 m 8761 1000 m 1000 m 8723 1000 m 1000 m Network baud rate Network address Inputs Relay Output Indicators Inputs Relay output H power I watchdog OK w network RX TX Selectable by links 1k2 4k8 9k6 19k2 baud set to be same as other nodes on local Lan Selectable by board switches 116 nodes addressable 4 to 118 excluding 9 10 Uses selected address and selected address plus 1 bo
9. Vi H V k k kWI A k k A z A W ri A W MYN Oya 2 2 2 7 8 29 EM MPO2 ENC2 Note that the units can only be up to four characters long thus as MVArhandkVArhare 5 characters long the last character h is lost This is indicated by h in the tables Note that ifboth Vand A are at maximum range then the maximum kW will be exceeded The TCL part receives the EM MPO2 values and places them into analogue nodes 1 to 16 and 33 to 60 excluding 47 to 52 Sensors 1 to 16 monitor nodes A1 to A16 directly Sensors 17 to 29 monitor values calculated by the strategy modules The values placed into nodes A33 to A60 by TCL are shown in the nodes table below Node tae range Unite 33 Red Phase Power Facior Cos Pn tto t 24 Yelow Phase Power Factor Cos Prif 101 a5 Blue Phase Power Factor Cos Phi rosi a2 Rea Prase Current Crest Facor om0 a3 Yelow Phase Current Crest Factor om0 aa Blue Phase Current Crest Factor om0 ea a a ol 60 Blue Phase Energy Cons 0 320000 kWh Nodes table Analogue nodes do not have labels or units so these would have to be set up in the supervisor Sensors 17 18 19 20 are set to the values of nodes 45 46 56 57 respectively divided by 1000 e g converting kWh into MWh and VA into kVA Sensors 21 22 measure active and reactive energy consumed in a half hour by monitoring the changes in nodes 45 and 46 respectively
10. kVAh total every second F41 is serviced before F17 so when the sync pulse occurs F41 passes the total through to S25 and F17 then passes through zero which clears the total for the start of the next period The total kVAh cons in Half Hr is monitored by S25 it will only show the total accumulated before the last sync pulse The apparent power from F15 kVA is divided by 1000 by F18 and then multiplied by 0 00028 divided by 3600 correct to 5 places after decimal point within F19 The division by 3600 is to convert the MVA value into MVAh consumed per second and then F19 and F20 together add this in to the usage total every second to produce the totalised MVAh Usage monitored by S29 Switch 3 W3 the Totalisor Reset causes F20 to gate through zero which resets the MVAh Usage F21 multiplies the half hour consumption by two to give a true kVA power value F22 passes this value through if it is greater than the previous maximum held by the F22 F23 combination This produces the kVA HalfHrMax Demand which is monitored by S23 Switch 2 W2 Maximum Demand Reset causes F23 to gate through zero which resets the kVA HalfHrMax Demand EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 EM MPO2 ENC2 Data Sheet Schematics continued
11. module is connected to the EM MPO2 by a 3 meter screened 9 way male D connector to open ends 2 wire cable Both of these adapter cables are supplied with the unit RS232 to RS485 Convertor 9 W D male 9 W D male E P ENC2 B EM MPO2 40 mm 3m 25 W D female cut ends The interface module has DIP switches which are set by default to operate correctly with the ENC2 EM MPO2 system They should not be changed They are set as follows Pole Setting Function Swi ON 2 wire sw2 OFF RXEN Sw3 OFF TXEN SW4 ON ADE2 SW5 OFF ADE1 SW6 OFF ADEO Note The internal wiring to the rear RS232 plug is non standard and is only intended for the ENC2 application If any other device were to be connected to this plug damage may occur I O channels The ENC2 is supplied with 2 digital input channels and 1 digital relay output channel Digital Relay Output e external channel unnumbered configuration channel OP8 NC A no C Digital only inputs JL tt external connection inputs and configuration channels 1 2 5V oyy 1K 47K INn c Mov COMPATIBILITY Supervisors Utility software 94x series 921 S2 962 Viewpoint PowerTool 822 Toolbox version 6 841 Strategy Browser Vx 842 Change Tracker SET Controllers It can communicate to other Trend IQ controllers using _ inter controller communications Strategy files A certa
12. peaks The measurements are taken by the EM MPO2 and sent directly to the ENC2 via an RS485 cable The unit is shipped with default settings and minimal programming is necessary Hardware Enclosures The EM MPO2 is provided in an enclosure for mounting on a DIN rail An optional panel mounting kit ACC EM UK is available Front Panel The meter front panel provides access to the measurements on display pages accessed easily from selection buttons The display also allows the unit to be programmed Data Backup In the event of a power failure maximum demand energy meters setup and clock are protected by means of the internal EEPROM Terminals The voltage and current terminals take a maximum wire gauge of 2 5 mm Firmware CT and VT Ratios The EM MPO2 will measure current up to 6A directly above this CTs are required and up to 550 V directly above this VTs are required The CT and VT ratios are easily programmable from the front panel The meter supports a selectable CT primary rating of 1 to 999999 A and secondary of 1 2 2 5 or 5A and VT primary rating of 1 to 999999 Volts and a secondary of 57 7 63 5 100 115 120 173 190 200 and 220 volts Measurements The EM MPO2 measures Volts Amps W P F cos VAr VA Hz kWh kVarh VA Peak W Peak Average kW Average kVA Average kVar Crest Factor 1 THDF Date and Time It supports LV MV and HV measurements connected in star and delta configurations EN
13. 0 will normally gate through S3 Active Power W but if the meter communications fail it will gate through zero The active power is divided by 1 000 000 by F11 and then multiplied by 0 00028 divided by 3600 correct to 5 places after decimal point within F12 The division by 3600 is to convert the MW value into MWh consumed per second and then F12 and F13 together add this to the usage total every second to produce the totalised MWh Usage monitored by S27 Switch 3 W3 the Totalisor Reset is inserted between modules G10 and G9 which ensure that the switch is set back to zero after one cycle of the sequence table W3 causes F13 to gate through zero which resets the MWh Usage Deiat 0 90 faut 0 O E a s J 89 F16 3 J E 0 00028 92 91 l 28 stv ow FAS Fu F17 S Fat r 5 115 GE F160 F41D mee O 4 ar DoH
14. Aaf p 17 at 25 JG From Page 2 GF a9 DH AF F7 DH raid C f f DWIDE AH Fi7D ADD SCLR Mi A q a INTERNAL Dee Gs A HP 40_ GATE 8 640_ GATE VAR cons in Half Hr D FwhenB 1 D F GE Units WAR D FwhenB 1 D FwhenB 1 Iv 20 Meter Comms Fai 40 P18 From Page 2 Defaut 0 C1 PLOT Sensor 25 G4D 213 Period 30Min Ex or Int Sync Pulse From Page 3 94 93 lt E mos F19 95 32 Efo F18 Flt m A 5 J n8 4 Z 0H 5 gE Fp F20 S29 29 G F150 DHO 4G F180 a 7 an s UE 4 Ls Delaut 0 O dF ag pL gt F200 Fi DIVIDE Ciro Pea He u 2 INTERNAL ia PECA D E G F H q Gaus MVAh Usage W3V 1824 GETTY Units WVA Totalisor Reset oo From Popes LL arn cage N 96 97 E F21 de F22 Poe TEEN 2 i Lps F210 98 26 ga F170 x DO dF Fao 12 J y J x S lA derm F23 S23 a Fil doa J y 123 s v MULTIPLY Dotat 0 AF o DLO O TOEF H Fap MAXIMUM de o hoes INTERNAL WB WeV__ GATE KVA HalftrMlax Demand wav 181 4 is WA Max DanandRese 7 ELE From Page 4 Fig 4 kVA Half Hour Maximum Demand In Fig 4 F14 will normally gate through S14 Apparent Power VA but if the meter communications fail it will gate through zero The active power is divided by 1000 by F15 and then multiplied by 0 00028 divided by 3600 correct to 5 places after decimal point within F16 The division by 3600 is to convert the kVA value into kVAh consumed per second and then F16 and F17 together add this in to the accumulating
15. C2 Power The EM MPO2 requires 100 to 120 Vac or 200 to 240 Vac RS485 Output The unit provides a standard RS485 output to transmit the measurements to the ENC2 which can be up to 3m away The communication is set by default to 9600 baud 1 stop bit no parity The number of stop bits has to be changed to 2 during the installation process for correct operation with the ENC2 Reset The energy counters kVArh and kWh and power peaks average apparent kVA and active kW can be reset using a front panel button The power peak values are not valid for the integration time default 15 mins after switch on or reset Configuration The unit is configured from the front panel using the buttons as explained in the VIP Energy User Manual The RS485 interface number of stop bits is set by default to 1 and must be changed to 2 The power peaks average apparent kVA and active kW integration time is set by default to 15 mins and should be reconfigured if required over 30 mins The other defaults will operate successfully in most cases but transformer values must be set up if CTs or VTs are used The measurement is configured for Star connection by default and may have to be changed to Delta A summary of meter configuration is provided in the EM MPO2 Installation Instructions TG200269 and full details are given in the VIP Energy User Manual supplied with the EM MPO2 The ENC2 allows an EM MPO2 to be connected to the Trend network It store
16. Data Sheet EM MPO2 ENC2 Multi parameter Electricity Meter amp Node Controller MULTI PARAMETER ELECTRICITY METER ELECTRICITY METER NODE CONTROLLER Description EM MPO2 EM MPO2 is an intelligent electricity meter capable of monitoring all electrical parameters related to the supply including kWh kVAh kVArh max demand power factor and frequency The compact DIN rail mounting housing features a backlit LCD display showing up to 4 parameters simultaneously The required CT and VT ratios are programmable via recessed push buttons An RS485 connector cable links the EM MPO2 to the ENC2 RS485 RS232 convertor Used in conjunction with the network interface ENC2 Electricity Meter Node Controller all logged data can be accessed directly over the Trend network Ideal for applications where sophisticated analysis of electricity supplies is required especially on large industrial or commercial sites ENC2 The Electricity Meter Node Controller ENC2 allows the values presented by the EM MPO2 to be accessed by Trend devices over the Trend network Itis available in an IP30 enclosure NBOX with two supply versions 230 Vac or 24 Vac dc 83 Features e Multi parameter metering e Fully configurable e Class accuracy e Selectable backlit LCD display e Programmable CT and VT ratios e Compact microprocessor based design e Split ring CTs available e DIN rail mounting e Optional panel mounting kit
17. FD S24 a D GxEXF G F80 108 s Vps dr a ma to hal gt 4H rep MAXIMUM qd z INTERNAL pae 118 G80__ GATE RW HaliHr Max Demand nm p Doais O C Derwen me L F9 S7 E 1000 109 i S17 JA sa Glas DH F9D O F INTERN DIVIDE Active Energy Cons DGE is Ta s 70 w2 s elmo G8 SWITCH F Gap kor wav 21 6 Wax Demand Reset Lor DHA F s ao H Pin Level EJ He oo M Status HH 00 come J JeF On Delay i Fig 2 kW Half Hour Maximum Demand In Fig 2 the meter input on node 45 Positive 3 phase Active Energy Consumed kWh is divided by 1000 by F9 to give Active Energy Cons MWh which is monitored by S17 F2 is serviced after F3 and F1 so its output holds the previous value of node 45 F3 normally gates through the meter input on node 45 but gates through the previous value from F2 if there is a communications failure with the meter F1 takes the previous value of node 45 from the current value so that the increase in value can be added into the accumulating total by function module F4 F46 is serviced before F5 so when the sync pulse occurs F46 passes the total through to S21 and F5 then passes through zero which clears the total for the start of the next period The total kWh cons in Half Hr is monitored by S21 it will only show the total accumulated before the last sync pulse F6 multiplies the half hour consumption by two to give a true kW power value F7 passes this value through if it is greater than the previo
18. Fig 5 the meter input on node 46 Positive 3 phase Reactive Energy Consumed kVArh is divided by 1000 by F32 to give Reactive Energy Cons MVArh which is monitored by S18 F25 is serviced after F26 and F24 so its output holds the previous value of node 46 F26 normally gates through the meter input on node 46 but gates through the previous value from F25 if there is a communications failure with the meter F24 takes the previous value of node 46 from the current value so that the increase in value can be added into the accumulating total by function module F27 F42 is serviced before F28 so when the sync pulse occurs F42 passes the total through to S22 and F28 then passes through zero which clears the total for the start of the next period The total kVArh cons in HalfHr is monitored by S22 it will only show the total accumulated before the last sync pulse F29 multiplies the half hour consumption by two to give a true kVAr power value F30 passes this value through if it is greater than the previous maximum held by the F30 F31 combination This produces the kVAr HalfHrMaxDemand which is monitored by S26 Switch 2 W2 Maximum Demand Reset causes F31 to gate through zero which resets the kVAr HalfHrMaxDemand 49
19. Sensor 25 measures apparent energy consumed in a half hour by integrating sensor 14 and dividing by 1000 Sensors 21 22 25 are reset to zero at the beginning of each half hour period by the synchronisation pulse Sensors 23 24 26 measure apparent active and reactive half hour maximum demand by keeping the maximum values of sensors 25 21 and 22 respectively multiplied by 2 to give full power units e g kW They are reset to zero by W2 Sensors 27 28 29 keep totalised values of sensors 3 15 and 14 divided by 1 million respectively they are reset to zero by W3 Nodes 45 46 56 57 58 59 and 60 can be reset to zero by EM MPO2 front panel buttons see VIP Energy User Manual Nodes 58 and 59 will only give negative energy i e power generation back into supply if set for delta connection or for Star connection with Cogeneration 4 COG4 is set by front panel buttons see VIP Energy User Manual If set for star without COG4 i e standard setting nodes 58 and 59 measure Red and Yellow Phase Energy Consumptions kWh respectively Node 60 will only measure if set for star without COG4 i e standard setting The definitions of the measurements e g crest factor power peaks are given in the VIP Energy User Manual Plotting Channels Sensors Description Plot Channels Period No of records 1to16 see table 1to 16 1 min 1000 21 kWh cons in half hr 19 30 mins 1000 22 kVarh cons in half hr 17 30 mins 1000
20. a A Direct V 550 V 3 Star 1 direct 30 Delta A Indirect using VTs primary V gt 99999 V secondary V 57 7 63 5 100 110 115 120 173 190 200 220 V EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 9 EM MPO2 ENC2 Data Sheet INSTALLATION continued Relay Output ENC2 NC Mains Supply option NO 2 part c E N L 230Vac Configuration channel Connection to EM MPO2 ensure correct polarity he 24 V Supply option f a RS232 RS485 3m a ne z l supplie 2 part Mat N Loc connector 24 Vdc 24v ov 2 Way D typa male 24 Vac 24 yac OV 000008020 eosooso20 lo O maera Qro OO 00 0 E Note ensure RS232 RS485 convertor is connected correct way round i Network Cue polarity 2 wire independent Earth Bus ae H BEA TL_ QJearth bus 4 wire Connect bus to earth separately earth bus External maximum RN additional demand synchronisation terminals contact option EM MPO2 ENC2 Fix DIN rail Mount unit in position Mount unit on DIN rail Connect power do not power up Connect power Terminate network leave unconnected Connect current or CTs Terminate I O leave unconnected Connect voltage or VTs Specify networ
21. age total every second to produce the totalised MVArh Usage monitored by S28 Switch 3 W3 the Totalisor Reset causes F36 to gate through zero which resets the MVArh Usage F37 takes the 3 Phase Apparent Power Peaks VA from node 56 and divides by 1000 to produce the Apparent Power Peaks kVA monitored by S19 F38 takes the 3 Phase Active Power Peaks W from node 57 and divides by 1000 to produce the Active Power Peaks kW monitored by S20 Strategy Version Attribute K in the Address module is set to the strategy version number 8 EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 Data Sheet EM MPO2 ENC2 INSTALLATION CONNECTIONS EM MPO2 Current Connections Connection to ENC2 RS232 RS485 ensure correct polarity 3 m cable convertor supplied Direct Connection 5A i De Single part screw terminals RS485 RS232 Fav xt me ais Oo Oo Oo QooOo Oo P1 ayy P2 P1 apo P2 Pt ag P2 N Indirect Connection using CTs Be Note ensure RS232 RS485 9 O00 0 0 0 0 0 1d convertor is connected correct way round P1 ary P2 P1 aro P2 P1 arg P2 CT primary 1 99999 A Meter Supply Secondary I 1 2 2 5 5A Single part screw terminals 200 to 240 Vac Supply 100 mAT 230 Vac N 3 PHASE ELECTRICITY METER Voltage Connections Single part screw terminals 3 Delt
22. connection of 2 wire cables Address Switch The ENC2 device address on the local Lan is selected by address switch poles 1 to 7 The TCL program requires that the next address i e address switch setting plus 1 is also allocated to the ENC2 Therefore the address switch may only be set in the range 4 to 8 11 to 118 and both the setting and the setting plus 1 must be unique on the local Lan Baud Rate Switch The local Lan baud rate is set by address switch poles 8 to 10 to 19k2 9k6 or 1k2 The local Lan baud rate must be set to match other nodes on the local Lan Network bypass relay In order thatthe network continues to operate if the ENC2 fails a node bypass relay is fitted to maintain network integrity in the event failure of the node s power supply or failure of the node itself The bypassing of a node will be recognised by the downstream node and reported as a Lan Changed alarm Battery Backup Details about the strategy configuration time and date and logged data are stored in RAM A plug in lithium cell provides power to maintain the data in the event of power failure or the controller being switched off EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 3 EM MPO2 ENC2 ENC2 Hardware continued RS485 to EM MPO2 The RS232 RS485 convertor module is connected to the rear of the unit by means of a 40 mm 25 way female D connector to 9 Way male D connector cable The convertor
23. dary 57 7 63 5 100 110 115 120 173 190 200 220V Max demand energy meters setup and clock information is protected for up to 40 years by an internal EEPROM 10 07 Q for each CT Fixed sampling and analogue digital Meter consumption Metered voltage Overload voltage Metered current Reset button CT ratio selection VT ratio selection Backup Meter burden Measuring method conversion Sampling frequency 1 25 kHz No of samples phase 125 100 msec Measuring interval 1 2 sec Zero self correction Inputs Number of scales 2 voltage scales 3 current scales Auto scale change Response time at scale change 1 2 s passage to scale above occurs at 105 of scale activated passage to scale below occurs at 20 of scale activated every 1 2 sec Lithium battery 3V 280 mAh Communication To ENC2 RS485 9600 baud no parity 2 stop bits Voltage transformers For voltage supplies higher than 550 V voltage transformers VTs are required They should be ordered separately Please note that Trend do not supply voltage transformers Environmental EMC emissions EMC immunity Safety standards EN50082 1 EN55011 7EN50082 2 EN55022 IEC 348 VDE 411 class 1 for operating voltage lt 650 VAC rms IEC 1010 600 V Ambient limits Storage 20 C to 70 C Operating 10 C to 60 C Humidity 20 to 80 RH non condensing Mechanical Dimensions 210 5 mm x 90 mm x 58 mm Protection IP20
24. digital input 9 to indicate the meter communication state 0 No data received from meter in previous minute 1 meter present 19 generates the alarm Meter Comms Fail when it changes to state 0 The fail condition is detected by the strategy byte 32 bit 0 and it sets all readings from the meter to zero and any derived values i e sensors 21 to 29 are not incremented Note that care should be taken in interpreting calculated values after communication failure due to the way they are calculated 11 W1 K1 Demand Period Synchronisation The demand period is set to a half hour by default The start of the period is normally synchronised to an internal half hour pulse W1 0 but there is an option to use an external contact closure connected to input 1 11 by setting W1 to 1 If the internal pulse is used it can be delayed by K1 by up to 29 m 59 s to synchronise with the electricity meter The start of the period zeroes the kWh kVA and kVArh consumed in the half hour W2 Max Demand Reset The half hour maximum demand values kVA kW kVAr are reset by setting W2 to 1 W3 Totalisor Reset The totalised values MWh MVAh MVArh are reset by setting W3 to 1 Sensors and Nodes Sensor units and labels are set up as shown in the sensor table below 7 21 2 24 KVAR kVAr MWh MVA MVAh Sensors table M M kV Sensor 6 7 Za 9 2i 22 Ar Wh Ar h Vi h h Vi p w WwW WwW Ww WwW Vi
25. en pre configured as explained in the strategy section The remaining modules may be configured in the normal way The TCL part runs the TCL script which communicates with the EM MPO2 performs necessary calculation and places the reading into the analogue array Configuration The device part of the ENC2 uses the standard IQ configuration mode which enables configuration via the network Alternatively the SET utility can be used but the existing special strategy should first be uploaded before adding to it using SET The modified strategy can then be downloaded to the controller by SET or PowerTool SET or PowerTool can also be used to upload and download IQ2 files for backup purposes Communications The ENC2 is connected to Trend devices via the Trend Network and to the EM MPO2 via an RS485 link Modules The strategy within the device part consists of anumber of individual functional blocks known as configuration modules These blocks can be linked in various combination to perform manipulation of parameters from the EM MPO2 and to service the I O The table lists the different types of configuration modules and the number of each type available within the ENC2 Module Type Number 2 6 Driver 2 0 0 Analogue Nodes 255 Digital Nodes Full details of the modules are given in the IQ Configuration Manual and Addendum however only refer to addendum details for IQ2v1 0 The ENC2 contains the normal Q2v1 0 features as descr
26. ibed in IQ Configuration Manual Addendum Engineers Journal J I O Summary i o Loader Issue R c c lower case Serial Number R s s lower case Supply Frequency Option Enhanced Logging 3 1 aed wer Knob o Senedite 8 z 2 e Differences between the modules covered in the manuals and the ENC2 s modules are described below Address module The address module has a sUpervisor port addr parameter which is ignored because the port is used for connection to the EM MPO2 TCL port This is pre configured in the ENC2 to communicate with the EM MPO2 EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 Data Sheet STRATEGY The strategy is pre configured partially by the TCL script and partially by module configuration Strategy Items Inputs Knobs Switches Items Label Units Default Note Inputs l1 Ext Max Dem Sync Pls 0 Sync on contact closure if W1 1 19 Meter Comms Fail 0 Dene data recelved 1 meter present Sync max demand either from 11 Switches W1 Enable Ext Sync 0 W1 1 or internal timing pulse W1 0 W2 1 resets 0 5 Hr maximum W2 Max Demand Reset 0 demand kW KVA kVAr F W3 1 resets totalisors MWh WS Totalisor Reset 0 MVAh MVAr usage Sets delay on internal pulse Knobs K1 Int pulse time delay Sec 0 used for max demand sync if W1 0 range 0 to 1799 19 Meter Comms Fail The TCL part sets
27. in amount of configuration is present in the ENC2 so if a strategy file is downloaded into the ENC2 the pre configured data will be lost The IQ2 v1 0 firmware supports IQF file format and thus will not accept files uploaded from Q2v2 orabove The IQ Configuration Reference Manual Addendum covers the compatibility between different types of strategy files Sensor Logs The IQ Configuration Reference Manual Addendum covers the compatibility between the ENC2 sensor logs and supervisors and software tools Data Sheet Compatibility with EM MPO The EM MPO2 parameter values received from the meter have different units as follows sensors 3 11 12 13 are W instead of kW and sensors 14 and 15 are now VA and VAr instead of kVA and kVAr The ranges i e maximum values that parameters can take available in the EM MPO2 are much larger than those on the EM MPO Compatibility with old RS232 485 convertor The old grey convertor K485 ADE plugged directly into the back of the ENC2 via its 25 Way D type It can be plugged into the new ENC2 but its old cable 9 Way D female to cut ends 2 wire EJ104355 must be used to connect to the EM MPO2 FIRMWARE The firmware within the ENC2 consists of two parts the device part and the TCL part The device part standard 1Q2v1 0 firmware consists of a number of standard Trend configuration modules and functions in exactly the same way as a Trend IQ Controller Some of these modules have already be
28. k address and baud rate Connect to ENC2 Power up Switch On Connect network and check Configure meter Configure strategy Connect I O and check Backup configuration Further installation details are given as follows EM MPO2 Installation Instructions TG200269 NBOX ENC2 Installation Instructions TG200270 The full configuration of the EM MPO2 is covered by the VIP Energy User Manual supplied with the EM MPO2 Installation in a panel using the ACC EM MK Panel Mounting Kit option is covered by the ACC EM MK installation instructions TG200338 10 EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 Data Sheet MAINTENANCE EM MPO2 ENC2 Neither the EM MPO2 nor ENC2 require any routine maintenance From time to time the ENC2 will require its backup battery to be changed This should only be undertaken by a qualified Trend Engineer as it involves a hot replacement method The meter interface script program TCL is lost if the battery is removed during power down Contact your Trend representative for advice DISPOSAL COSHH ASSESSMENT FOR DISPOSAL OF NODE CONTROLLER The only part affected is the lithium battery which must be disposed of in a controlled way RECYCLING amp All plastic and metal parts are recyclable The printed circuit board may be sent to any PCB recovery contractor to recover some of the components for any metals such as gold and silver ORDER CODES EM MPO2 Multi paramete
29. ons 158 5 x 46 mm oe amp O 90 o O gt e o OO 6 6 Q C 157 5 ENC2 230 Vac SS SPCO relay digital output i ABBE BEB supply option connection to EM MPO2 Te LELI aerd m 5 ze 7 5 RS232 485 convertor supply option relay O P LED status LEDs input LEDs inputs ry E Eo 33 adaptor cable I _ Io I E 33 earth bus address baud rate switch 40 mm supplied Fi m m Y YT adaptor cable 9 Way D type x P 25 Way D type ARE 3 m supplied A 9 Way D type oO A Trend Lan T LEDs 2 O O O Ie Os Or Or Or SOs EO Trend Lan 230 connector 70 EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 Data Sheet FUNCTIONALITY The EM MPO2 and the ENC2 together provide electricity measurements whch can be accessed by Trend devices The EM MPO2 takes the measurements and sends them to the ENC2 in standard RS485 interface protocol ENC2 stores this data in memory and calculates further measurements Trend devices can then read the measurements from the ENC2 using Trend network communications EM MPO2 EM MPO2 ENC2 Supervisor EM MPO2 The EM MPO2 provides full measurements of electrical consumption including storage of power
30. r Electricity Meter including installation instructions and VIP Energy User Manual Mounting kit to enable the EM MPO2 to be panel mounted including installation instructions Note only the Energy Node Controller in plastic box for 230 Vac supply including RS232 RS485 convertor and its cable 3 m cable to EM MPO2 earth bus earth bus screws and installation instructions Energy Node Controller in plastic box for 24 Vac or de supply including RS232 RS485 convertor and its cable 3 m cable to EM MPO2 earth bus earth bus screws and installation instructions ACC EM MK EM MPO2 meter will fit in this enclosure NBOX ENC2 230 NBOX ENC2 24 Current transformers Current transformers CTs should be ordered separately A range of split core CTs are available from Trend as described in the Current Transformers data sheet TA102139 SPECIFICATIONS EM MPO2 Electrical Supply voltage 100 to 120 Vac 200 to 240 Vac 10 8 VA Up to 550Vrms direct or up to 999999 Vrms using VTs 20 to 600Hz 2000 Vrms peak 60 secs Up to 5 A direct or up to 999999 A using CTs 20 to 600 Hz Overload current 20 x full scale 1 sec Measurement accuracy 0 3 Full Scale 0 3 Reading 18 C to 25 C Add 0 02 Full Scale per C outside this range Power peaks kVA and kW and energy counters kVArh and kWh are reset using the front panel reset button Primary 1A to 999999A secondary 1 2 2 5 5A Primary 1V to999999V secon
31. s values received from the meter making them available to other devices on the Trend network Some values are calculated within the ENC2 using readings received from the meter The ENC2 consists of a customised IQ22x controller with an RS232 RS485 convertor module connected to the specially modified RS232 port and a dedicated script program TCL which performs the necessary communications and calculations to produce the measurements in the IQ controller analogue array It also has further modules configured so that some of the measurements are identified by label and additional measurements are calculated within the ENC2 Hardware Unit The ENC2is supplied in a plastic enclosure with a transparent plastic flip up terminal cover It has a 3 point mounting to facilitate installation Ithas an RS232 RS485 converter connected by cable to the RS232 connector at the rear of the unit Connectors Two part connectors are used throughout to facilitate wiring A busbar is provided for screen termination Power 230 Vac 50 60 Hz 230 option 24 Vac or 24 Vdc 24 option Fusing The controller has no replaceable fuses protection is provided by a self resetting thermally protected transformer Indicators LED indicators for receive and transmit network current flow RX TX and network OK also for all I O channels power 4 and watchdog Wl See specification section for details Network The 2 part network terminals facilitate
32. th addresses must be unique on local Lan Input channels 1 amp 2 digital inputs Volt free contact Count rate 30 Hz Wetting current 3 mA nominal 5 V supply Status LED per channel ON closed contact External connection 16 Configuration channel OP8 1 pole changeover relay Output rated for 240 Vac single phase only 8 A resistive load 5A inductive cos 0 4 30 Vdc at 5 A resistive load and 20 Vdc at 5 A inductive load For 24 Vdc inductive load reduce to 2 A Arc suppression recommended see Relay Output Arc Suppression Installation Instructions TG200208 Status LED per channel ON relay energised yellow Indicates status ON contact closed yellow ON if relay energised green ON when supply is connected red ON if controller has a software fault green ON if network is operating Flashes if prohibited controller network address set 0 2 3 gt 119 yellow ON if current is entering the network receiver yellow ON if current is flowing from network transmitter Note that the watchdog LED flashes momentarily on power up Mechanical Dimensions Material Box Terminal cover Protection Weight Connectors 230 Network 1 0 EM MPO2 Environmental EMC Emissions Immunity Safety Ambient limits storage operating humidity Flammability Casing material Version ENC2 Data Sheet 230 mm x 70 mm x 210 mm plus RS232 RS485 convertor and cables ABS
33. us maximum held by the F7 F8 combination This produces the kW HalfHr Max Demand whichis monitored by S24 Switch 2 W2 the Maximum Demand Reset is inserted between modules G8 and G7 which ensure that the switch is set back to zero after one cycle of the sequence table W2 causes F8 to gate through zero which resets the kW HalfHr Max Demand 6 EM MPO2 ENC2 Multi parameter Electricity Meter Data Sheet TA200268 Issue 1 C 8 10 01 Data Sheet EM MPO2 ENC2 Schematics continued 49 Defauit 0 O 79 Ta 78 J S vA E 0 00028 F12 80 f 30 bl cat E ag F10 i E ooo F11 ii Fi 112 f a Pi d d L d DK q E F120 27 nieta F sav DH G F100 HO a Frio a Js ve a 49 g F130 fB c60 _ GATE Fit DIVIDE qH Fiap_ ADD SCLA OB ero a INTERNAL MNES GATE D FwhenB 1 DFG O E G F H 4 pe fie NT cate bend 32 0 D F when B 1 mis omms fail interlock timer Pages Defaut 0 82 81 es E O oki deo G10 G9 SEN F or wav 220 Totalisor Reset WF e100 kor fa fs ain pt Pin Level 4 L or a q aloo M Status Huo coms TIMER g J oF On Del T Fig 3 MWh Usage In Fig 3 F1
Download Pdf Manuals
Related Search