PMAC770 Multifunction Power Meter Installation & Operation Manual
Contents
1. 770 Multifunction Power Meter Installation amp Operation Manual V3 0 5 3 Ei ZHUHAI PILOT TECHNOLOGY LTD A Danger and warning This device can be installed only by professionals The manufacturer shall not be held responsible for any accident caused by the failure to comply with the instructions in this manual A Risks of electric shocks burning or explosion This device can be installed and maintained only by qualified people Before operating the device isolate the voltage input and power supply and short circuit the secondary windings of all current transformers Use appropriatevoltage tester to make sure the voltage has been cut off Put all mechanical parts doors or covers in their original positions before energizing the device Always supply the device with the correct working voltage during its operation Failure to take these preventive measures could cause damage to equipment or injuries to people A Operating environment Operating temperature 10 C 55 C Storage temperature 40 C 70 C Relative humidity 5 95 non condensing Height lt 2000m Operating power supply Have 2 options please check the label on the meter 1 85 265Vac 85Vdc 265Vdc 45 65Hz 10VA 2 2 100 420 100 400Vdc 45 60Hz 10VA MAINS supply voltage fluctuations up to 10 of the nominal voltage e Pollution degree 2 The product is for indoor use only Meaning o2. 50000 annm 20000 4 Sou z 50000 1 0 MM MIN 2 Menu Prompt UNBAL Positive 1 2 Negative I 1 Neutral 1 0 Max Max current amp time stamp Min Min current amp time stamp 33 7 4 Frequency Menu Prompt 00 OO t cnnnn REE mme 2 Menu Prompt END Event end time REC Frequency deviation record Display menu similar to Voltage Deviation Record F 035 001 191 26 08 00 000 ENI 2j UP Page up to previous record DOWN Page down to next record START Event occurs time 34 7 5 Power Value picture 1 P 3 P L gt gt 3 4 2 2013 397 26 08 00 0860 LA MAX picture 3 LMAX 2 Menu Prompt Power display menu Picture 1 P Active power per phase amp total Picture 2 P Max Active power per phase amp total Picture 3 P Min Active power per phase amp total Q Reactive power per phase amp total Picture 4 Reactive power phase amp tota Q Reactive power phase amp tota S Apparent power per phase amp total S Max Apparent power per phase amp tota S Min Apparent power per
3. RS485 module the 274 RS485 port Modbus RTU protocol AO AO module 2 Analog output 4 20mA Al Al module 2 Analog input 4 20mA EP Pulse module 2 pulse output BA BACnet module BACnet protocol 64M TCP 64Mbit Memory 8M byte Ethernet Port Rated input voltage Vph N Vph ph and current V1 57 7 100V via PT 5A V2 57 7 100V via PT 1A 220 380V direct V4 220 380V direct 1 A V5 120 208V direct 5A V6 240 415V direct 5A 11 V7 277 480V direct V8 63 5 110V via PT 5A V9 120 208V direct 1 A V10 240 415V direct 1 A 11 277 480V direct 1 12 63 5 110V via 1 V13 398 690V direct 8 Rated input frequency Not choose will be deem as 50Hz F1 50Hz F2 60Hz Aux power supply Not choose will be deem as P1 P1 85 265Vac 85 265Vdc 45 65Hz P2 100 420Vac 100 400Vdc 45 60Hz For example Order No PMAC770 E AI V3 F 1 P1 indicates the meter is the basic type 2 Analog input rated input 220 380V 5A rated input frequency 50Hz and the Aux power supply 85 265Vac 85 265Vdc 3 Packing list Packing box included 1 PMAC770 Basic Unit and optional modules 2 User Manual 4 Figure and Terminals 4 1 Dimension Unit mm Cut size 90 90mm panel size 96x96mm Depth 45 1mm no module 66 6mm add module 96 00
4. Instantaneous voltage 2 times sec Wet contact Require external power supply For high voltage meter require power supply for DI 100Vac 25 For low voltage meter require power supply for DI 220Vac 25 Node capacity 250Vac 5A Pulse output value 1000 9999imp kWh 92 Starting current Power frequency withstand voltage Insulation resistance Impulse withstand voltage Power supply Power loss Communication Dimension Lx WxH IP index Weight Pulse width 60 100ms programmable 0 1 ln 2KV minute 250MO peak 1 2 50 5 When order No is 1 85 265Vac 85 265Vdc When order No is P2 100 420Vac 100 400Vdc When order No is P1 power loss lt 10VA When order No is P2 power loss lt 15VA RS485 serial support Modbus RTU Baud rate 2400 4800 9600 19200 38400bps Address 1 247 Panel 96 x 96 x 13 5 mm Cut out 96 x 96 x 58 6mm basic unit 96 x 96 x 80 1 mm basic unit optional module IP52 front panel and IP30 case Basic unit approx 400gr 93 Environment Parameter Voltage Current Power Power factor Frequency Active energy Reactive energy THD Individual harmonic Un balance 0 2 0 2 0 5 0 5 0 5 0 5 2 0 1 0 1 0 1 0 Operating temperature 10 55 C Storage temperature 40 70 C Humidity 5 95 non condensing Height lt 2000m Accuracy Resolution Meas
5. Negative wire analog input 2 20 4 3 6 Terminals of RS485 Module PMAC770 C No PIN1 PIN2 PIN3 PIN4 PINS 1 5 Extend RS485 Communication Module One meter can add one C module only Mark NC NC NC EX 485 EX 485 Definition Null Null Null Extend RS485 output negative Extend RS485 output positive 21 4 3 7 Terminals of Pulse Output Module PMAC770 EP No PIN1 PIN2 PIN3 PIN4 PINS PIN 1 PIN 5 Pulse Output Module One meter can add one EP module only Mark Definition EX P1 Pulse output for kWh positive Pulse output for kWh negative NC Null EX P2 Pulse output for kvarh positive EX P2 Pulse output for kvarh negative 22 5 Connection Mode and Wiring PMAC770 supports 2 kinds of connection mode 3P4W 3P3W C 1 3 phase 4 wire no PT 3CT Me Tet 131 132 VN wu un N 492 L3 422 Le 422 LL 23 2 3 phase 4 wire 3PT 3CT 3 Ile 121 122 131 132 ve W 3 phase 3 wire 121 Tee 132 nn n n 24 4 3 phase 3 wire
6. Under different connection mode PMAC770 accumulates the energy in different way as below sheet Connection mode Energy calculation Per phase 4 quadrant energy Total energy 3 phase 4 wire Multi tariff energy History energy Total energy 3 phase 3 wire Multi tariff energy History energy Note User can clear the energy to 0 on panel by keys or clear from communication 11 2 Active Energy PMAC770 calculates the active energy according to the accumulated active power And it distinguishes the direction of active reactive power to separately calculate per phase total active energy in 4 quadrants 68 11 3 Reactive Energy PMAC770 calculates the reactive energy according to the accumulated reactive power And it distinguishes the direction of active reactive power to separately calculate per phase total reactive energy in 4 quadrants 11 4 Apparent Energy PMAC770 calculates the apparent energy according to the accumulated apparent power 11 5 Multi tariff Energy PMAC770 statistics the import export kWh and import export kWh in different tariff PMAC770 supports 2 tariff lists Users can set the 2 lists separately Each tariff list can be set max 8 periods in one day and 4 different tariff F1 F2 F3 FA means 4 kinds of tariff and F1 for Sharp F2 for Peak F3 for Flat F4 for Valley Below example for setting the tariff lists Num of Period Tariff List Starting time to end time Tariff period order 1st period 00
7. no PT 2CT Ili 121 122 131 132 L3 L2 Li 5 3 3 wire 2PT 181 lee 131 132 1 ad 25 6 3 phase 3 wire 2PT 2CT el 122 131 132 EN Ve nui CY pv 26 6 Display and Key 6 1 Display Instruction press Operation DEBUG gz UN TOT 8 8 UN 5 6969699999999 n OOOO cd 2 5 OOOO vem UM LI 2 al SUAE d 1 Menu 2 Item 3 Load rate Load rate average current rated current x100 4 DI DO status 9 means ON means OFF 5 Communication communication l means RS485 port 1 6 Unit 7 Data display area 8 Key prompt area A 9 Alarm when display it mean there is error 2 means RS485 port 1 2 27 6 2 Keys 6 2 1 General Information PMAC770 has back light LCD user friendly display Users can query set different information by 4 keys according to the menu prompt If press the keys the back light will be on lasting for 60s If no continue pressing key the back light will
8. 0 1 kWh Users can read every order of harmonic energy from the LCD or communication 10 11 Frequency Deviation PMAC770 calculates the Frequency Deviation data resolution 0 01Hz Frequency deviation means the difference between the actual frequency and the nominal frequency Formula Frequency Deviation Actual Frequency Nominal Frequency Users can set the Nominal Frequency in PMAC770 via communication There are 50Hz 60Hz for option Besides PMAC770 records the over limit event for frequency deviation Users can set a limit value for the frequency deviation When the real time frequency deviation is out of limit PMAC770 will record the event 65 with time stamp its duration time and the Peak value PMAC770 can store 30 events log for frequency deviation 10 12 Voltage Deviation PMAC770 calculates 3 phase voltage deviation which is the percentage of deviation compared with its nominal value Formula Voltage Deviation Actual voltage Nominal voltage Nominal voltage x 100 In above formula the Nominal voltage is rated voltage The voltage deviation has a negative or positive sign Besides PMAC770 records the over limit event for voltage deviation Users can set a limit value for the voltage deviation When the real time voltage deviation is out of limit PMAC770 will record the event with time stamp its duration time and the Peak value PMAC770 can store 30 events log for voltage deviation 1
9. 13 90 96 00 cl Y d 4 2Installation Unit mm 4 3 Terminals 4 3 1 Terminal of Basic Unit No Mark Definition 1 N Negative wire Aux power supply AC DC 220V 2 L Positive wire Aux power supply AC DC 220V 3 V1 Phase A voltage 4 V2 Phase B voltage 5 V3 Phase C voltage 6 VN Voltage neutral line 7 SHLD RS485 shield 8 485 RS485 com port 1 negative wire 9 485 RS485 com port 1 positive wire 10 RL21 Relay output 2 positive RL22 Relay output 2 negative 12 RL11 Relay output 1 positive 13 RL12 Relay output 1 negative 14 SG Digital input common earth 15 S3 Digital input 3 positive 16 S2 Digital input 2 positive I S1 Digital input 1 positive 18 11 In line phase A current 19 11 Out line phase A current 20 21 22 23 12 In line phase current 12 Out line phase B current 13 In line phase C current 13 Out line phase C current 4 3 2 Terminals of DI module PMAC770 SW PIN1 PIN2 PIN3 PIN4 PINS MES opt PIN 5 Digital Input Module one meter maximum can add 2 DI module Mark Definition EX S4 S8 Digital input 4 or 8 positive EX 55 59 Digital input 5 or 9 positive EX S6 S10 Digital input 6 or 10 positive EX 57 511 Digital input 7 or 11 positive EX SG1 SG2 Common earth Terminals of DI module PMAC770 SD PIN 5 Digital Input Mo
10. 5 RELAY Relay Setting Menu RELAY HGHS amp upper linrit range 0 65535 Rt Relay output 1 LOWSet lower limit Range 0 65535 LoiLoca List of object Null no object Fefrequency CBJ Cbjed of relay Output Al DELAY Ralay delay BACKFelay time range 0 99s UONeutra voltage rde Un Average Vph N timme range 0 99s U12Vab 23 U31Mca TS 7 Thesd ngissemeasRday 1 ULA Average Vph ph J 216 current Lavg Averagel PF1 Pfa 3 PF2PFb R3 Relay output 3 i ze p saree H R2Relay output 2 d Pftot Total PF UnbU Voltage unbalance THdU1 THD for Va THdU2THD for Vb THOUS THD for Ve la THdA2 THD for Ib Ic L p P tRelay oupu4 Thesattingis areas ioa N 50 8 6 AO Analog Output Setting Menu Optional AO Optional Function OBJ Analog output object AO1 Analog output 1 AO2 Analog output 2 RATES The multiple rate of analog range 1 0 10 0 The setting is same as Analog Output 1 51 List of object nuLL no object Ut Va U2 Vb U3 Vc U12 Vab U23 Vbc U31 Vca A1 la A2 Ib A3 Ic P Tot
11. Harmonic voltage RMS 0 37 Class B Harmonic current RMS 0 31 Class B Harmonic RMS Harmonic power RMS 05319 Class od Class B Voltage crest factor Class B Current K factor Class B Frequency deviation 0 100 Class B Other Voltage deviation 0 100 Class B Voltage Current Class B 0 100 unbalance 62 10 1General Description Harmonics are any non linear current or voltage in an electrical distribution system With these harmonics flowing into the power system it will affect the reliability of the transformers and protection relays and it will accelerate the ageing of metalized polyester film increase the power loss of transmission and disturb communication or measurement accuracy of instruments PMAC770 provides up to 31 harmonics analysis which is strong helpful for power quality analysis 10 2 THD PMAC770 measures voltage and current harmonic up to 31 and calculates THD TOHD Odd and TEHD Even Users can read THD data 96 from the LCD or communication For example the data is 20 00 the actual THD value is 20 0096 10 3 Harmonic Ratio for Voltage PMAC770 measures up to 31 voltage harmonic Users can read 2 31 voltage harmonic 96 from the LCD or communication For example the data is 10 00 the actual harmonic value is 10 0096 10 4 Harmonic Ratio for Current PMAC770 measures up to 31 current harmonic Users can read 2 31 current harmonic 96 from the LCD or commun
12. List 72 12 3Frequency Deviation Record User can set the frequency deviation over limit value in PMAC770 default limit 0 2Hz setting range 0 10Hz When the frequency deviation gt limit PMAC770 records the deviation starting time ending time and the Max deviation value with sign Users can find the record from panel and communication Once the event happen users can find the record in PILOT software as below format No Event 2011 07 28 09 31 34 to 2011 07 28 09 32 15 frequency deviation Max value is 0 50Hz For more details please refer to PMAC770 Modbus Register List 12 4Voltage Deviation Record User can set the voltage deviation over limit value in PMAC770 default limit 10 setting range 0 99 99 When the voltage deviation gt limit PMAC770 records the deviation starting time ending time and the Max deviation value with sign Users can find the record from panel and communication Once the event happen users can find the record in PILOT software as below format No Event 2011 07 28 15 02 25to 2011 07 28 15 30 46 voltage deviation Max value is 14 For more details please refer to PMAC770 Modbus Register List 73 12 5 Voltage Unbalance Rate Deviation Record User can set the voltage unbalance over limit value in PMAC770 default limit 20 setting range 0 100 When unbalance gt limit PMAC770 records the unbalance starting time ending
13. RS485 port 1 2400 4800 9600 19200 38400 programmable o Baudrate of RS485 port 2 2400 4800 9600 19200 38400 programmable 14 1 5 Strong Power Prevention The RS485 terminals of PMAC770 have the strong power burning prevention function It means that even there is 220VAC access to the RS485 terminals within 5 minutes the communication board will not be burnt And the communication will be recovered once cut off the power 14 2 Status Input PMAC770 provides 3 status input as basic feature apply to monitor the ON OFF position of breakers or switchers etc Besides it also provides up to 8 optional status input which is flexible to meet different requirement The status input of PMAC770 is wet contact requires connecting external power supply 220VAC 50Hz The example of connection as below 80 L 1 32 _ 2 3 15 54 iga 5 SCOM External active contact input wet contact Generally when external contact is ON the linking status input channel on PMAC770 LCD will be ON When external contact is OFF the linking status input channel on PMAC770 LCD will be OFF From the communication 0 means OFF 1 means 14 3 Relay Output PMAC770 basic unit provides 2 relay output and Users add one optional Relay Output Module which provides the other 2 relay output Relay node capacity 250VAC 5A There are 2 kinds
14. be off uu ca MU DOGE 2565 Keys F1 F2 F4 6 2 2 Menu Prompt and Keys Instruction Keys or Prompt Instruction 755 To next item it is for menu rolling search Return to previous menu or cancel SET Setting Menu prompt Enter into the menu of corresponding parameter 28 6 3 Map of Display Data Voltage value Vph N amp avg Vph amp avg Positive Negative Neutral Unbalance H Min voltage Beviation Current value la Ib Ic amp lavg Positive Negative Neutral Unbalance C Min current Frequency value Frequency Deviation Energy Power On Power value Power quality Pa Pp Pe Ptot Max Pa Pb Po mo Harmonic ratio Prot Min Pa PEPE Prot H a ab ac atot tor v THD for V 2 347 Harmonic Tor V 2 31 Harmonic fori Max Ga Gb Ge TEHD for v Harmonic ratio 0 31 Harmonic Min Ga Gi aic THD fort Quot Sa Sb Se Stot TOHD fort Max Sas Stot TEHD for RMS for V 0 31 Harmonic Mii
15. is 500var Total reactive power is 1500var Apparent power is 1100VA Total apparent power is 3300VA Power factor 0 5 Total power factor is 0 5 Enter into DEMO DEBUG mode interface if choose NO display will comes to normal Notice If there is pulse output module PULSE interface exist Enter into Running Time setting interface if current running control object is Voltage the button key notice will be OBJ running time object HI up limit and LOW low limit If current running control object is Current there will be no LOW low limit If current running control object is Power or Null there will be no HI and LOW subject nuLL null U Voltage Object A Current P on Power 48 8 3 COM Communication Setting Menu M1ADD Address of RS485 port 1 range 1 247 M1BAU Baudrate of RS485 port 1 range 2400 4800 9600 19200 38400bps M2ADD optional Address of RS485 port 2 range 1 247 M2BAU optional Baudrate of RS485 port 2 range 2400 4800 9600 19200 38400bps 8 4 CLEAR Clearing Data Menu ENERG Clear all energy data 5 DMD Clear demand value YES NO MX MN Clear all min data YES NO REC Clear frequency voltage deviation over limit events voltage unbalance over limit event YES NO SOE Clear all SOE event log i e DI DO events YES NO RUN T Running time clear 49 8
16. memory module works with the PMAC770 basic unit to save the measured data regularly interval is settable parameters as below 3 phase voltage 3 phase current Frequency Voltage unbalance rate 3 phase power factor 1min 5 min 10min 15min 30min It saves the 88 Import Export active energy Import Export reactive energy Demand current Demand total active power Demand total reactive power Demand total apparent power Imin 60 days 10 minutes 10 minutes 5min 1 year 1 hour 1 hour 10min 1 year 2 hour 2 hour 15min 1 year 3 hour 3 hour 30min 1 year 6 hour 6 hour Note 1 when modify time interval if it is 1min to change to other time interval or other time interval to change to 1 min then it need to clean the memory data then re save But if it is not between 1 min then no need to clean the memory data 14 7 4 Web function The module support web real time data inquiry and web parameter configuration function When log in the web we need to set the IP of the PC the same with PMAC770 segment but different IP For example if PMAC770 IP is 192 168 8 100 subnet mask is 255 255 240 0 89 IP address of PC can set as 192 168 N M N range from 0 15 M range from 1 254 After setting customer can login 192 168 8 100 from IE The Web will monitoring below data 3 phase phase voltage 3 phase line voltage 3 phase current 3 phase active po
17. phase amp tota PF Power factor per phase amp total 35 picture 4 7 6 Energy Total kWh Import kWh tariff 1 es Zoo po grum cotes E i 8 0 i3 00 O gt lt 2 Picture 1 Picture 2 Menu Prompt KWH CO2 Total kWh Phase A B C kWh Imp amp Exp Picture 1 KVARH Total kvarh Phase A B C kvarh Imp amp Exp Picture 4 KVAH Apparent energy Total A B C Phase TOU Import kWh or kvarh of each tariff tariff 1 tariff 2 tariff 3 tariff 4 Export kWh or kvarh of each tariff tariff 1 tariff 2 tariff 3 tariff 4 Picture 2 36 Import kWh phase A Picture 3 Import kvarh phase A Picture 4 7 7 Harmonic Harmonic display Menu Prompt THD Picture 2 THD for V 1 TOHD for V TEHD for V or HR Harmonic ratio Picture 3 2 31 harmonic for V 2 31 harmonic for THD for V Picture 2 ua mnnnn B S a annn UUs nnnn UU oe j u3 nnnn uc nnmn LLLI LI Ls TOWN 0 2 37 RMS Harmonic RMS Picture 4 0 31 harmonic RMS for V 0 3
18. time and the Max unbalance value Users can find the record from panel and communication Once the event happen users can find the record in PILOT software as below format No Event 2011 07 28 06 05 25to 2011 07 28 06 28 35 voltage unbalance Max unbalance value is 24 For more details please refer to PMAC770 Modbus Register List 12 6 Max Demand Record PMAC770 records the max demand for 3 phase current total active power total reactive power total apparent power When the instant demand exceeds the history maximum demand PMAC770 will record the new maximum data with time stamp User can clear the Max demand record from panels and communication 12 7 Real time Max Min Record PMAC770 records the max min for 3 phase voltage ph N and ph ph 3 phase current active power reactive power apparent power When the instant value exceeds the history maximum or lower than history minimum PMAC770 will record the new max min data with time stamp User can clear the Max Min record from panels and communication 74 12 8 Running Time Record PMAC770 provide running time record function Record object including 1 Null 2 Voltage measurement 3 Current measurement 4 Power of the Meter Just one subject can be regarded as the standard of running time when the conditions meet the requirement running time measurement function start Null Running time forbid Voltage measurement When the
19. times The analog output channels can be defined to associate with various parameters include 3 phase voltage ph ph or ph N 3 phase current total active power total reactive power total power factor frequency etc Below figure is a typical example of pulse output wiring input PLC controller input 770 The Analog Output Curve as below Magnification factor is A 84 Mle output output output 0 4mA Zo 0 4mA zu MPe 4mA zu G PF F 1 000 65Hz output output output MQe 4 1 000 4 prd 45Hz 4mA Note In above formula In above formula is the real measurement of analog value is rated voltage ph ph unit mA is rated current is the rated power unit W or var is the magnification factor Range 1 10 Factory default set 1 The analog output channels can be defined to associate with any one of below parameters Analog output object Phase voltage Va Vb Vc Voltage Line voltage Vab Vbc Vca 85 Current la Ib Ic Active power Ptot Reactive power Qtot Power factor PFtot Frequency Remark if set the analog output object to frequency or PFtot its meaningless to set the magnification factor default 1 14 7Ethernet TCP IP amp 64M bit Memory optional module The module support Ethernet TCP IP and memory functio
20. to 220V 0 25A 1 0 voltage 220V current 0 25A power factor 1 0 calibration process the same as before After calibration finish press NEXT will turn to RMS DEG SMALL second length angular difference calibration interface Second length angular difference calibration adjust input signal to 220V 0 25A 0 5L voltage 220V current 0 25A power factor 0 5L calibration process same as before after calibration press NEXT will turn to FINISH and notice for END Notice If calibration failed it will keep the original calibration value the new calibration value just effect after calibration success Enter into CHECK self check interface choose YES the meter will start self check The meter will check LCD ferroelectric and button key one by one LCD self check the LCD will all ON for 4s then all OFF for 2s Ferroelectric self check If there is no question on ferroelectric will display Hard PASS otherwise will display Hard FAIL 47 Button key self check LCD screen will give notice to press F1 F2 F3 F4 button if there is no question there will be PASS if client press a wrong button or there is no press on the button for 15s it will be regarded as a wrong button key FAIL will display Enter into DEMO DEBUG mode interface choose YES will start DEBUG mode VPh N is 220V VPh Ph is 381 05V Current is 5A Active Power is 1100W Total active power is 3300W Reactive power
21. voltage for 3 phase at the same time within a certain range running time start Voltage up limit lower limit can be set by the client data format same as measuring value secondary side If the condition can not meet time stop 3 phase 4 wire object is phase N voltage 3 phase 3 wire is Ph Ph voltage Single phase 2 wire is Ph Ph voltage Current measurement When the current for 3 phase at the same time large than a certain value running time start Current value can be set by the client data format same as measuring value secondary side If the condition can not meet time stop single phase 2 wire is Ph N current Power for the Meter When power On running time start When the object changed from one to the other running time will be cleared automatically Running time Unit Hour resolution 0 1 75 13 Setpoint Alarm 13 1 General Description PMAC770 provides setpoint alarm for all parameters It supports monitor 2 parameters at the same time There are 2 setpoint types Over limit and Under limit Users can set the limit as per requirement 13 2 Setpoint Object PMAC770 can monitor 27 kinds of parameters as below Object Parameter Va Vb Vc neutral voltage average phase voltage Voltage Vab Vbc Vca average line voltage Current la Ib Ic neutral current average current Power factor PFa PFb PFc PFtot Frequency Frequency Voltage unbalance Phase A voltage THD Phase B voltage THD Power quality Phas
22. 0 13 Voltage Unbalance Rate PMAC770 calculates 3 phase voltage unbalance rate Data resolution 1 Formula U Ey x 100 U1 is 3 phase voltage positive sequence component RMS U2 is 3 phase voltage negative sequence component RMS 66 Besides PMAC770 records the over limit event for voltage unbalance Users can set a limit value for the voltage unbalance When the real time voltage unbalance is out of limit PMAC770 will record the event with time stamp its duration time and the Peak value PMAC770 can store 30 events log for voltage unbalance Meanwhile PMAC770 also records the Peak unbalance in present day month history 10 14 Current Unbalance Rate PMAC770 calculates 3 phase current unbalance rate Data resolution 1 Formula Current unbalance rate U2 U1 X 100 U1 is 3 phase current positive sequence component RMS U2 is 3 phase current negative sequence component RMS Users can check the current unbalance rate by communication and panel button 67 11 Energy and Multi tariff Energy Statics 11 1 General Description According to the direction of power PMAC770 calculates 4 quadrant kWh kvarh apparent energy multi tariff energy and history energy data PMAC770 accumulates the energy value since it was powered on at the first time In that case users clear the energy to 0 the meter will re accumulate the energy from 0 Until the value reach 99 999 999 9 kWh it will auto turnover
23. 00 to 03 00 F1 2nd period 03 00 to 06 00 F2 3rd period 06 00 to 09 00 F4 Tariff List 1 8 4th period 09 00 to 12 00 F3 5th period 12 00 to 15 00 F1 6th period 15 00 to 18 00 F4 7th period 18 00 to 21 00 F2 69 8th period 21 00 to 00 00 1st period 06 00 to 10 00 F1 2nd period 10 00 to 12 00 F2 Tariff List 2 5 3rd period 12 00 to 14 00 F1 4th period 14 00 to 20 00 F3 5th period 20 00 to 06 00 of next day F4 There are 2 modes to calculate the multi tariff energy Date Mode and Holiday Mode Under Date Mode it divides one year 365 days into 2 periods Under Holiday Mode it divides the days by working day and holiday Working day is from Monday to Friday Holiday is from Saturday to Sunday Below example for setting the mode Time Zone 1 Time Zone 2 Mode use the Tariff List 1 use the Tariff List 2 Date Mode From Apr 1 to Sep 30 From Oct 1 to Mar 31 of next year Holiday Mode From Mon to Fri From Sat to Sun Attention 1 Users can divide one day 24 hours up to 8 periods and set 4 tariff maximum 2 Each period must gt 15 minutes and the duration must be a multiple of 15 3 The starting time of each period must be in ascending order 4 The multi tariff only can be set from communication It can t be set on panel 70 5 If 2 different periods use the same tariff the meter will combine the energy of 2 periods together 6 The system default that Time Zone 1
24. 1 harmonic RMS for 0 31 harmonic RMS for Ptot CF Voltage crest factor Picture 5 K FAC Current K factor Picture 6 ENRGY kWh of1 13 harmonic Picture 7 RMS DC component for V Picture 4 te eU 000 nan ie sd O E 00 ooo 21 Ca Ca Co Current K factor Picture 6 jj 900 00 ar mann nnmmn nnnn LUUD 2 Total kWh of fundamental 38 Picture 7 Hoo at AN m uu CUP ____ 2 7 8 Demand Demand menu LUE POWER _ 2 Picture 1 Rese ere re a e oret edi cem ted 2 Picture2 Menu Prompt Current demand 39 POWER Power demand IA Max demand for la amp time stamp Picture 2 IB Max demand for Ib amp time stamp IC Max demand for Ic amp time stamp P Max demand for Ptot amp time stamp Q Max demand for Qtot amp time stamp S Max demand for Stot amp time stamp 11 15 38 2 Picture 2 40 7 9 Analog Input Optional Analog input menu If PMAC770 add the Al module it will has this menu From up to low will be first analog input second analog input 7 10 Running time dis
25. 6 Current ose p EU ME Ort 64 10 7 Harmonic Voltage RMS sso anana nanana a 64 10 8 Harmonic Current 65 10 9 Harmonic Power 5 65 10 10 Harmonic 2 4 0 11 0 0 einen ente ennt nene tne 65 10 171 Frequency 65 10 12 Volt ge Deyviatioh reete eet E eee Sees 66 10 13 Voltage Unbalance 2 2 66 10 14 Current Unbalance Rate 67 11 Energy and Multi tariff Energy 0 68 Tt T General Description eerte ERR de ee 68 11 2 Active 68 11 3 Reactive Energy a nae c Ree m 69 14 Apparent Energy en RR 69 11 5 Multi t nfE ee RERO RE EGRE 69 DIRGHIStOry ERREUR tpe 71 12 Record Functions e Cocoa UHR IRA emer 72 12 1 General Descriptio EROR DS 72 12 2 SOB Eyent OB ce ete eerte Av etes 72 12 3Frequency Deviation Record sse 73 12 4Voltage Deviation Record sese 73 12 5 Voltage Unbalance Rate Deviation 74 12 6 Demand Record REED PRESS 74 12 7 Real time Max Min Record sse 74 12 8 Running Time Re
26. E DIE end 34 PS 35 TO EE E A E R 36 TT HAMONG eite e EER eee 37 7 8 es eres eae aa ae tenes ea a altel 39 7 9 Analog Input Optional sese 41 FAO Running tme display ceni napanuoran a 41 S 42 ENE 42 8 2 Setting Site Map 43 8 3 COM Communication Setting 49 8 4 CLEAR Clearing Data sese 49 8 5 RELAY Relay Setting Menu 8 6 AO Analog Output Setting Menu 51 8 7 LIMIT Deviation Limit Setting sese 52 8 8 ERROR 9 Measuring Function Description 54 55 92 CU ttentz 56 9 3 ActiVe e OR RR SER 57 94 RR RR 57 9 5 Apparent ccce RIDE EROR e 57 58 9 T Br quency n ep ROO 59 Angle iet DR De tesi mS 59 9 9 Demand calculation rre 59 9 10 Phase s quence detect 61 10 Power Quality Analysis ierit ertet eterne hehe tede 62 10 1General Description pte E E E 63 102 THD seite itr etti e D PR ERE ETERNI 63 10 3 Harmonic Ratio for Voltage sse 63 10 4 Harmonic Ratio for 22 63 10 5 Voltage Crest Factor aisles aula ust ees 64 10
27. If set the delay time to 0 it means setpoint channel will be activated once the object over under limit 2 If no setting the monitor object it means no relay alarm function 78 14 Auxiliary Function 14 1 Communication PMAC770 provides one RS485 port in basic module and provides another one as optional function The two RS485 ports are independent from each other Normally on site one RS485 is enough Please refer to below connection diagram Attention In the field in order to avoid signal reflecting it s common to connect a 120Q resistance at the end of RS485 network for signal matching series port RS485 PC converter 2 OF PMAC770 770 ot 770 20R 14 1 2 Communication Medium The communication medium is No 22 STP Shielded twisted pair Maximum 32 units of meters can be connected in one RS485circuit If there is no repeater the communication bus should notlonger than 1 200m 79 14 1 3 Communication Protocol PMAC770 support standard Modbus RTU protocol For more details please refer to PMAC770 Modbus Register List 14 1 4 Communication Parameters Communication between master and slave device will be available under correctly setting the communication parameters The parameters include Address Every meter has its exclusive address Setting range 1 247 Baudrate of
28. Otherwise primary excitation will generate high voltage at secondary circuit causing personal injury or death and equipment damage Normally overload capacity of current measurement is 120 of rated current Users should pay attention to the current input when using the device and avoid getting wrong data caused by over scope measurement Rated measuring range of current is Oto 9999A CT primary setting range is from 1A to 9999A and it should not smaller than the rated current value 56 9 3 Active power PMAC770 calculates three phase active power and total active power Pa Pb and Ptot Measuring range per phase 0 649 9MW total 0 1949 8MW 9 4 Reactive power PMAC770 calculates three phase reactive power and total reactive power Qa Qb Qc and Qtot Measuring range per phase 0 649 9MVar total 0 1949 8MVar Attention 1 Both active power and reactive power value have signs 2 When wiring users should pay attention to the phase sequence of voltage and current Otherwise it may cause wrong measuring data Besides it is necessary to connect the CTs terminals correctly otherwise there will be negative power value 9 5 Apparent power PMAC770 calculates three phase apparent power and total apparent power Sa Sb Sc and Stot Measuring range per phase 0 649 9MVA total 0 1949 8MVA 57 9 6 Power factor PMAC770 measures per phase power factor and total power factor PFa PFb PFc a
29. S Upper eno device address error more than two identical addresses in the can not communicate same network with the meter 98 The communication link has not been Check if the 120 Ohm resistor has been connected to the connected terminal resistor The communication Check if the communication cable has line is interrupted been disconnected 99 Notice PILOT reserves the right to modify this manual without prior notice in view of continued improvement Email yig pmac com cn PilotZhuhai Pilot Technology Co Ltd Add No 15 Keji 6 Road Chuangxin Haian Tangjia High tech Zone Zhuhai Guangdong 519085 China Tel 86 756 3629687 3629688 Fax 86 756 3629600 3629670 http www pmac com cn 100
30. T primary and secondary setting CT CT primary setting 43 MODE Connection model DATE System date TIME System time DMD Demand setting PULSE Pulse output setting DEFAU Restore factory setting CODE Password setting CALIB Auto calibration CHECK Self Check DEMO DEBUG mode RUN T Running time setting Parameter Setting Illustration Enter into INFO meter information interface display software version V S hardware version V H serial number SN this interface for checking can not modify Enter into EX M extend module information interface from up to down to display extend module type null no extend module rS485 communication module PULSE pulse output module 01 digital input module DO digital output module Al analog input module AO analog output this interface for checking can not modify Enter into PT PT primary and PT secondary interface the first line display PT 44 primary value unit kV the second line display PT secondary side value unit V PT primary setting range is 0 001kV 65KV PT secondary setting range is 1V 398V Enter into CT CT primary interface the first line display CT primary value unit A the second line display system rated current value unit A CT primary setting range is 1A 9999A the setting primary value not less than system rated value Enter into MODE connection wiring mode interface the second
31. al active power q Total reactive power PF Total power factor F Frequency 8 7 LIMIT Deviation Limit Setting Menu LIMIT F Frequency deviation limit value range O 10Hz VOL Voltage deviation limit value range 0 100 UNBAL Voltage unbalance limit value range 0 100 52 8 8 ERROR ERROR Read only can not set 5 Sampling errors 6 Communication errors 7 Calculation errors Note The meter can record 10 errors for each type The prompt appears on LCD if there is error Please contact the After sales Dept for solution 53 9 Measuring Function Description Parameter Accuracy Resolution Measuring Range Direct 5 120 of rating Voltage 0 2 0 01V PT primary 0 65 00kV secondary 100Vph ph or 110V CT primary 0 9 999A Current 0 2 0 0001A CT secondary 1 or 0 0001 Per phase 0 649 9MW Mvar MVA Power 0 5 kW kvar Total 0 1949 8MW Mvar MVA Power factor 0 5 0 001 1 000 1 000 Frequency 1 0 0 01Hz 45 65 Hz Active energy 0 5 0 1kWh 0 99 999 999 9 kWh Reactive energy 2 096 0 1kvarh 0 99 999 999 9 kvarh THD 1 0 0 001 0 100 0 Individual 1 0 0 001 0 100 0 harmonic Un balance 1 0 0 001 0 100 0 54 9 1 Voltage PMAC770 has several type of voltage input for option as below Symbol in Description Rated input Connection Mode mo
32. cotd reete 75 13 Alarm nourri e HERR P ei rre 76 13 1 General Description eet tbe te ret tients 76 13 2 Setpoint Object BH RETE UBER SO 76 13 3 Alatm Conditi n irre eb eene ee ede TI ISA Alarm Output eret ore RO TI 13 5 Example 36 eed TI T4 Auxtliaty F nctton oo UE RETE REESE 79 TA T Communmcatioriz cet tre cede ene 79 14 2 Stat s iren HORE ER HERE RP 80 14 3 Relay 81 14 4 4 20mA Analog Input optional 83 14 5 Pulse Output optional module sese 83 14 6Analog Output optional 84 14 7 Ethernet TCP IP amp 64M bit Memory optional module 86 I5 Technical Specification ves eee pe REPRE HER 92 16 Maintenance and Trouble Shooting seen 96 1 General Information PMAC770 Three Phase Multifunction Power Meter is designed for monitoring and displaying all kinds of electricity parameters It s widely used in low voltage and medium voltage distribution automation system PMAC770 provide the main function as below Real time measuring data true RMS All energy data include real energy multi tariff energy history energy 1 13 harmonic energy Power quality analysis Demand calculation Build in clock and event log Over under limit alarm P
33. del No High voltage 57 7 100V V1 V2 3 phase 3 wire Via PTs meter 63 5 110V V8 V12 3 phase 4 wire 120 208V V5 V9 220 380V V3 V4 Low voltage 3 phase 3 wire 240 415V V6 V10 Direct input meter 3 phase 4 wire 277 480V V7 V11 398 690V V13 While measuring voltage lower than 398Vph N 690Vph ph PMAC770 do not need to connect external PTs it can be input directly While measuring other higher voltage PMAC770 need external PTs If PMAC770 is connected via PTs the PTs direct affect the measurement accuracy of the meter So users should consider the linearity and accuracy rate of PTs Normally Overload capacity of voltage measurement is 12096 of rated voltage Users should pay attention on the voltage input when using the device and avoid getting wrong data caused by over scope measurement Max rated measuring range is 65KV 55 Connection mode of voltage input can be set via panel or communication Pilot low voltage meter and high voltage meter support both 3 phase 3 wire and 3 phase 4 wire Tips It is recommended to clear the energy after change the connection mode PT primary setting range 0 001KV to 65KV and PT secondary value should be in the range of 1V 398V 9 2 Current Only when adopt CTs can PMAC770 measures current CT secondary rated output must comply with rated current input of PMAC770 5A or 1A When connecting external CTs users must make sure the current is not open circuit
34. dule one meter maximum can add 2 DI module No Mark Definition PIN1 EX S12 S16 Digital input 12 or 16 positive PIN2 EX 813 S17 Digital input 13 or 17 positive PIN3 EX S14 S18 Digital input 14 or 18 positive PIN4 15 19 Digital input 15 or 19 positive PINS EX SG3 SG4 Common earth 4 3 3 Terminals of DO module PMAC770 R No PIN1 PIN2 PIN3 PIN4 PINS 5 Relay Output Module One meter can add one DO module only Mark EX RL22 EX RL21 NC EX RL12 EX RL11 Definition Extend relay 2 output 2 Extend relay 2 output 1 Null Extend relay 1 output 2 Extend relay 1 output 1 4 3 4 Terminals of AO module PMAC770 AO Analog Output Module One meter can add one AO module only No Mark Definition PIN1 EX AO2 Positive wire analog output 2 PIN2 EX AG Negative wire analog output 2 PIN3 NC Null PIN4 EX AO1 Positive wire analog output 1 PIN5 EX AG Negative wire analog output 1 Note The AO module must insertedtothe 3 interface from left to right back view AO module 4 3 5 Terminals of Al module PMAC770 Al No PIN2 PIN3 PIN4 PINS PIN 5 Analog Input Module One meter can add one Al module only Mark EX Al2 EX AG Definition Positive wire analog input 1 Negative wire analog input 1 Null Positive wire analog input 2
35. e the second channel is reactive SONST is pulse constant WIDTH is pulse width unit ms Type Default Range CONST 1000 1000 9999 WIDTH 80 60 100 Enter into DEFAU restore factory setting interface If set to YES will start restore factory setting Enter into CODE password setting interface can modify the checking password super password not be changed password setting range 1 9999 Enter into CALIB auto calibration interface choose YES and comes to START interface press START and comes to RMS RATIO BIG First length ratio error calibration after enter into this interface adjust input signal to 220V 5A 1 0 voltage 220V current 5A power factor 1 0 press START key will 46 start first length ratio error calibration the 4 line of data display area will show WAIT After calibration if success it will show DONE press NEXT button and come to RMS DEG BIG first length angular difference calibration Otherwise will display ERROR press NEXT button will recalibrate the first length ratio error calibration First length angular difference calibration adjust input signal to 220V 5A 0 5L voltage 220V current 5A power factor 0 5L calibration process the same After calibration press NEXT will comes to RMS RTO SMALL second length ratio error calibration interface Second length ratio error calibration adjust input signal
36. e C voltage THD Phase A current THD Phase B current THD Phase C current THD Null No object 76 13 3Alarm Condition 13 3 1 Set over under limit After set the monitoring object users need to set the alarm condition i e set the over under limit value For setting range of the parameter please refer to PMAC770 Modbus Register List Note When setting the over under limit if the limit value is out of measuring range the setting will be invalid Take the frequency for example Measuring range for frequency 45 65Hz default rated voltage is 50Hz Setpoint limit range 0 65535 13 3 2 Set the delay time After set the over under limit users need to set the delay time Setting range 0 99s Only it satisfy two conditions that the monitored object over under limit and lasting to delay time will the setpoint channel be activated If set the delay time to 0 it means setpoint channel will be activated once the object over under limit 13 4 Alarm Output When the setpoint channel of one relay output is activated the relay will output signal One SOE event is record 13 5 Example Users want to monitor phase A voltage and set the over limit to 65535 Ue linking with relay 1 set the delay time to 30s If the actual phase A voltage exceed to the limit and 77 lasting to 30s then the relay 1 will output the signal If the phase A voltage return to limit value within 30s the relay 1 will not respond Note 1
37. f the symbols Attention This symbol warns you of dangers that could occur during assembly commissioning and operation Dangerous voltage Risk of death or serious injury Disconnect the power before working on the system and device c UL us usten This Listing Mark is used for products going into the Canadian and US marketplace It shows that compliance with both Canadian and US requirements for listed products has been met A double insulated electrical appliance means product no only use basic insulation to prevent electric shock but also including safety measure such as double insulation or reinforced insulation but earth protection or protection based on installation conditions is not included CONTENTS General Information a 8 Order Information aeieea ea E 1 Packing ena ES 13 Figure and Terminals tette EAE 4 43T Dimensions RECS 4 42 4 4 3 Terminals ihn 5 Connection Mode and sse 23 Display and Key press 27 6 1 Display Instruction 27 6 2 3JK 28 6 3 of Display Ori 29 Query Procedure ii eoo eaaet ein eet 30 7T A Initial Display eec e re GRENIER EGO i 30 7 2 Voltage Value icc ih eene ERE RA PORE 31 7 3 Cuttent Value i een EROR EE 33 TA Preguen yenn a a PER D
38. hase sequence checking Modbus RTU BACnet MS TP MODBUS TCP IP communication Optional Digital input Digital output DO Analog input Analog output Al AO optional e 2 pulse output optional etc Measuring Function of PMAC770 Basic Unit High class Voltage Current Power P Q S Power factor Energy kwh kvarh in 4 quadrant CO2 for active energy Frequency Phase Angle Demand Max min value P Multi tariff energy Load rate One RS485 Modbus RTU Real time clock 3 status input 2 relay output Over under limit alarm SOE event log Voltage Current unbalance rate THD 31 tharmonic Harmonic RMS 0 31 Harmonic energy 1 137 Voltage crest factor Current K factor Voltage deviation Frequency deviation Record for voltage frequency deviation Record history multi tariff energy Voltage unbalance rate record Record Demand Maximum value Record real time parameters maximum value Running time record 2 Order Information Model No 770 0 2 3 4 Function of basic unit E High class D Optional Module Multiple choice one meter can add no more than 3 modules One meter can add 2pcs of Module SW or SD but only 1pcs of other modules SW DI module 4 Digital Input wet contact SD DI module 4 Digital Input dry contact R DO module 2 Relay output
39. ication For example the data is 10 00 the actual harmonic value is 10 0096 63 10 5Voltage Crest Factor PMAC770 measures 3 phase voltage crest factor data resolution 0 001 If no voltage input the CF value is 0 Users can read CF value from the LCD or communication Crest Factor Formula 1 414 x Yh Un U In the formula U is the hharmonic RMS U1is fundamental harmonic RMS Nis the highest order harmonic 10 6 Current K Factor PMAC770 measures 3 phase current K factor data resolution 0 001 If no current input the K Factor value is 0 Users can read K Factor value from the LCD or communication K Factor Formula Factor Un In the formula 1 is the Aharmonic current ratio his the harmonic order number Nis the highest order harmonic 10 7 Harmonic Voltage RMS PMAC770 measures 0 31 tharmonic voltage RMS data resolution 0 01V Users read every order of harmonic voltage RMS from the LCD or communication 64 10 8 Harmonic Current RMS PMAC770 measures 0 31 harmonic current RMS data resolution 0 0001A Users can read every order of harmonic current RMS from the LCD or communication 10 9 Harmonic Power RMS PMAC770 measures 0 31 harmonic power total active power RMS data resolution 0 1W Users can read every order of harmonic power RMS from the LCD or communication 10 10 Harmonic Energy PMAC770 measures 0 13 energy total kWh data resolution
40. line display at present connection wiring mode 4y 3P4W Connection 3d 3P3W Wiring Single Mode 1P phase Enter into DATE system date interface the first line display Year the second line display Month the third line display The sequence of setting is Year Month Day just after the first subject setting correct can comes to the next otherwise will stay in the first subject Setting range of Year is 2000 2999 Setting range of Month is 1 12 Setting range of Day is 1 31 if there is no 31 days in this month it will comes to the 15 day of next month Enter into TIME system time interface the first line display Hour the second line display Minute the third line display Second The sequence of setting is Hour Minute Second Just after the first subject setting correct can comes to the next otherwise will stay in the first subject Setting range of Hour is 0 23 Setting range of 45 Minute is 0 59 Setting range of Second is 0 59 Enter into DMD demand setting interface if current demand model is Slip the indicate will be TYPE demand model PERIO demand cycle SLIP slip time If current model is fixed then there is no Slip Demand STAC Fixed model mode SLIP Slip model Enter into PULSE pulse setting interface can set for PUL 1 amp PUL 2 OBJ is pulse object the first channel is activ
41. mand interval as 5min 10min 15min 30min or 60min In Fixed Block mode users do not need to set the subinterval In Rolling Block mode users should set subinterval the subinterval 1min 2 min or 3 min Show as below sheet 59 1or3 1 2 or 3 Max Demand In nonvolatile memory 7 70 maintains a running maximum for power and current demand values with date amp time stamp called Max Demand User can read the demand value from LCD or RS485 communication Below figure is a sample of Rolling Block mode Demand intervals is 10 mins subintervals is 2 mins Update the computing at the end of the subinterval 2mins The demand value is the average value of the previous interval 60 9 10 Phase sequence detect PMAC770 can detect the voltage phase sequence After input 3 phase voltage and 3 phase current signals to the meter users can press the button to display real time phase voltage or line voltage and see the present phase sequence Note Only after provide 3 phase voltage and current signal to the meter can it detect the phase sequence 61 10 Power Quality Analysis Item Measuring Accuracy Parameter Range THD for voltage 0 100 Class B TOHD for voltage 0 100 Class B TEHD for voltage 0 100 Class B THD THD for current 0 100 Class B TOHD for current 0 100 Class B TDHD for current 0 100 Class B HR for voltage 25315 Class HR for current ae Class B
42. n space of the Memory module is 64M bit Each meter can only support one Memory module It realized function as below Modbus TCP function Support Web real time inquiry data Support parameter setting of the web Support to save monitoring data regularly Support FTP for download memory data Note 1 In case the power meter is suddenly power off it could cause the data lost in one hour 2 The data can be stored after continuous power on for one hour 86 14 7 1 Install This Module can be directly inserted to the extend interface of PMAC770 basic unit The module is not hot swappable the module is not hot swappable after insert the memory module the meter should be restarted to recognize the memory function Before insert or pull out the Memory Module users should power off the meter Otherwise it can damage to the meter Network structure as blow 14 7 2 Specification of Memory Module Parameter Specification Space 64Mbit Time for Device from lt 3 second power on to full start 87 Module house electrostatic protection level Speed Operating Temperature Humidity Storage temperature Average failure free time When Ethernet is connect of communication failure Data save interval Level 4 500 1000ms 10 55 C 2096 9096 non condensing 20 60 C 300000 hours 0 0296 5 min 14 7 3 Function Description The
43. n Sa Sb sc Sitot RMS fort 0 31 Harmonic RMS for Ptot Voltage crest 1 13 Harmonic PFa PFE PFE factor oneray Pto eee Demand Analog pur Current Optional Demand module Power Demand Max demand for la Max demand for 1b Max demand for le demand for Ptot Max demand for Qtot Max demand for Stot 2 analog input Total kvarh Total kavh CO2 Import kwh Phase A Import kvarh eost Kavh Phase A Export kwh Phase A Export kvarn Kavh Phase CO2 Import kwh Phase B Import kvarh wart Kavh Phase CO2 Export kwh Phase B Export kvarn Phase CO2 Import kwh Phase Import kvarh Phase Export kwh Phase Export kvarn Phase C 29 Multi tariff energy H Import Import H Export kwn taritti Export kvarh tariff1 H Import kwh taritr2 Import kvarh tariff2i H Export kwn taritt2 Export kvarh tariffzi H import kwn taritrase Import kvarh taritfa H Export kwh tarit
44. nd PFtot Measuring range 1 000 to 1 000 Like active reactive power value the wiring and CTs terminals connecting will affect actual calculated value of power factor Reactive power input EI Quadrant 2 Quadrant 1 3 Negative active power Positive actrve power Positive reactive power Positive reactive power Power factor Power factor Reverse direction power flow Forward direction power flow _ Active power mput Negative active power Positive active power Negative reactive power Negative reactive power Power factor Power factor 3 Quadrant 3 Quadrant 4 a 58 9 7 Frequency In different connection modes PMAC770 samples the system frequency from different channels In 3 phase 3 wire connection mode PMAC770 samples the frequency from line AB voltage channel In other connection modes it samples frequency from phase A voltage channel In case phase A voltage is failure it samples frequency from phase C voltage channel In case both phase A and C voltage are failure it samples from phase B voltage channel 9 8Phase Angle PMAC770 with phase angle measurement function for fundamental wave phase angle information can be checked by communication 9 9 Demand calculation PMAC770 provides demand analysis for three phase current total active power total reactive power and total apparent power PMAC770 supports two demand modes Fixed Block and Rolling Block Users set de
45. of relay control mode Local control and Remote control Under local mode the relay is used for the setpoint function to monitor the parameter In case the parameter is over under limit the relay will respond and output signal Please refer to Chapter13Setpoint Alarm for more description Under remote control mode users can remote control the relay according to requirement 81 The action of relay is different in two modes So users should firstly distinguish the relay is in remote control mode or in local control mode The default relay control mode of PMAC770 is remote control Users can change the mode by keys on panel or via communication Remote control external The relay is controlled by PLC using commands through communication Release time Release time is defined as the time since from the relay status is changed by PC or PLC to the relay recover If set the release time to 0 it means that the relay will not recover User can set the release time by keys on panel or via communication Local control internal The relay will respondonce the electrical parameters satisfy alarm conditions Please refer to Chapter13Setpoint Alarm for more description Delay time Delay time is defined as the time since over under limit happens If set the delay time to 0 it means the relay responds as soon as over under limit happens When the relay is under remote control mode even though the local contr
46. ol conditions have been set the relay will not respond The relay mode must be set to local control mode otherwise it will not alarm for over under limit 82 14 4 4 20mA Analog Input optional module In some projects for example where request to monitor the main transformers to measure the non electric parameters such as the temperature or pressure users can choose one Al module Each Al module provides 2 channels of 4 20mA analog input Each meter can only support one Al module 14 5 Pulse Output optional module Each meter can only support one PO module The PO Module provides 2 channels of pulse output for statistic the energy The first channel is for active energy kWh second channel is for reactive energy The formula is 1 pulse 1 pulse constant X CT X PT kWh or kvarh Pulse constant 1000 9999 programmable factory default set 1000 Pulse width 60 100ms programmable factory default set 80ms User can set the pulse constant and width by keys on panel or via communication Below figure is a typical example of pulse output wiring DC5 24V power supply 10K Pulse sampling EN P I sys A T ys HE Po GND _ 83 14 6Analog Output optional module Each meter can only support one AO module The AO module provides 2 channels of 4 20mA analog output Output maximum load is 500 ohm output range is 4 20mA overload 1 2
47. play Data display Unit is hour resolution is 0 1h 41 8 Setting 8 1 Instruction In initial display we can see the SET prompt press F4 to SETUP menu Meter display Picture 1 METER Basic setting COM Communication setting CLEAR Clear data RELAY Relay setting AO Analog output setting LIMIT Under Over limit setting ERROR Error record time interval setting for Memory Enter into parameter setting interface If the parameter can be set then it will appear Input Password Picture 2 appear EDIT Password right Picture 3 Password Edit Just enter into correct password can set the Parameters press CODE button change to 0000 1 000 LEFT move left 1 digit ENTER 2 ENTER confirm Picture 3 42 RETURN give up EX Work password is 0001 Super password is 2011 Parameter setting After password confirmation press EDIT key Current setting subject flash change the parameter Information by UP LEFT ENTER RETURN key If the entered parameter is not correct after press Picture 4 ENTER it will return back to the original parameter Notice Analog output setting just effect after plug analog output module 8 2 Setting Site map INFO Basic information LU EX M Extend module information PT P
48. ta Export kvarh tariff3 H Import Import kvarh tarittay L Export kwh tarittaye Export 7 Query Procedure 7 1 Initial Display When PMAC770 is powered on the initial display as below Y 5 Average voltage Average current lra M Menu Prompt VOL voltage menu Current menu FRE Frequency menu POWER Power menu ENERGY Energy menu PQ Power quality menu DMD Demand menu RUN T Running time menu Analog input menu SET Setting 30 7 2 Voltage Value Va Vb Ve Average Vph N Menu Prompt L N Vph N amp average menu L L Vph ph amp average menu UNBAL Positive U 2 Negative U 1 Neutral U 0 Unbalance rate MAX Max Vph N or Max Vph ph MIN Min Vph N or Min Vph ph amp time stamp REC Voltage deviation record 31 Max Voltage s nnn m 39000 08 20 11 31 88 Menu Prompt UP Page up to next record DOWN Page down to previous record START Event occurs time END Event end time Special notice the digit on the right of the number 08 00 00 01 It means Hour Minute Second After decimal point it means the records number 32 7 3 Current Value T u00 4 IZ
49. urement is not correct 96 Possible solution Check if the correct working voltage has been imposed on the L and N terminals of the meter Check if the fuse for the control power supply has been burnt down Check if the neutral point has been connected reliably Check if the measured voltage matches the rated parameter of the meter Check if PT ratio has been set correctly Check if the measured current matches the rated parameter of the meter Check if CT ratio has been set correctly The DI status is not change The relay no respond The power measurement is not correct The DI operating voltage is not correct The relay does not receive the control command The working mode of the relay is not correct 97 Check if the connection mode has been set correctly Check if the phase sequence corresponding to the voltage and the current is correct Check if the wiring of current terminals are correct Check if the types of external nodes match the rated parameters of the meter Check if the external connection is correct Check if the communication link is correct Check if the current relay is under the correct control mode The analog is set Check through communication the No analog output as disable or setting of analog wrong object Communication consistent with its definition or if there are Check if the address of the meter is Th i
50. uring Range Direct 5 120 of rating 0 01V PT primary 0 65 00kV PT secondary 100Vph ph or 110V CT primary 0 9 999A 0 0001A CT secondary 1 A or 5A 0 0001 Per phase 0 649 9MW Mvar MVA kW kvar kVA Total 0 1949 8MW MVA 0 001 1 000 1 000 0 01Hz 45 65 Hz 0 1kWh 0 99 999 999 9 kWh 0 1kvarh 0 99 999 999 9 kvarh 0 001 0 100 0 0 001 0 100 0 0 001 0 100 0 94 Time 0 5s Item Oscillatory waves immunity test Electrostatic discharge immunity Radiated radio frequency Electromagnetic field immunity test Electrical fast transient burst immunity test Surge immunity test Immunity to conducted disturbances induced by radio frequency fields Power frequency magnetic field immunity test Electromagnetic emission limit value Power frequency immunity test Overvoltage class 95 0 24 hours Standard IEC61000 4 12 1995 IEC61000 4 2 2001 IEC61000 4 3 1998 IEC61000 4 4 1998 IEC61000 4 5 2005 IEC61000 4 6 1998 61000 4 6 2001 60255 25 2000 61000 4 8 2001 UL61010 1 2008 Level OK CAT Ill 16 Maintenance and Trouble Shooting Possible problem The meter has no indication after the control power supply is imposed The measured value is not correct or does not conform to the expectation Possible cause The power supply fails to be imposed on the meter The voltage measurement is not correct The current meas
51. uses the Tariff List 1 and Time Zone 2 use the Tariff List 2 User can t change it 11 6History Energy PMAC770 statistics daily energy of last 31 days and statistics monthly energy of last 12 months User can read the history energy as below Daily energy of last 31 days Import kWh kvarh Export kWh Each tariff Import kWh kvarh Monthly energy of last 12 months Each tariff Export KWh kvarh 71 12 Record Function 12 1 General Description In order to facilitate users to do various fault analysis PMAC770 provides up to 100 records of SOE event and 30 records of over limit event for frequency deviation voltage deviation voltage unbalance Users can easily and quickly position seeking the fault from the SOE event counter Additional PMAC770 also provides records of Max demand and Max Min data for users doing analysis of electricity consumption 12 2 SOE Event Log PMAC770 can record the event of switch and relay position i e ON OFF status The event is recorded with time stamp which is stored in PMAC770 by UNIX time format Time resolution is 1ms The UNIX time is a system for describing instances in time defined as the number of seconds that have elapsed since the midnight 00 00 00 on January 1 1970 From PILOT software users can see the event as below format No Event 1 2011 07 28 09 31 34 792ms Relay 1 ON For more details please refer to PMAC770 Modbus Register
52. wer 8 total active power 3 phase reactive power amp total reactive power 3 phase apparent power amp total apparent power Total input output active power Total input output reactive power Frequency DI 11 DO 2 Al 2 Parameter configuration System information 14 7 5 MODBUS TCP function The module is only for convert MODBUS RTU to MODBUS TCP 90 14 7 6 FTP download saving regularly memory data Same as web configuration before visit the web customer should set the IP of the PC the same with PMAC770 segment but different IP Then Input ftp 192 168 8 100 192 168 8 100 is the Ethernet address of PMAC770 then customer can see the memory data of the meter Download all the bin to PC then customer can use PILOT s memory data reading software to analysis all the data 14 7 7 Read the Data from Memory Module The PMAC770 only support to read the data from RS485 communication Please refer to the PMAC770 Modbus Communication Protocol for more details 91 15 Technical Specification Metering Input Overload Status input Relay output Pulse output True RMS 1 sec refresh time Rated current 1A or 5A Rated voltage Optional 120V 220V 240V 277V 398Vph N direct Or 100V 110Vph ph via PT PT secondary 100Vor 110Vph ph optional Frequency 50 or 60 Hz optional 120 of rated continuously Instantaneous current 10 times sec
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