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9.7

7 Frequency

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.

9.8

8 Demand

Demand

Demand calculation

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 can set demand 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:

Optional

Optional Intervals

Intervals

Intervals (mins)

(mins)

Programmable

Programmable Subintervals

Subintervals

Subintervals (mins)

(mins)

1 or 2

1 or 3

1, 2, or 3

HRW Limited

Ph +852 2546 7402 - Fax +852 2546 7403 - [email protected] - www.hrw.hk

Содержание PMAC770

Страница 1: ...PMAC770 Multifunction Power Meter Installation Operation Manual V1 1 HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 2: ...anical 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 Failure Failure Failure to to to to take take take take these these these these preventive preventive preventive preventive measures measures measures measures could could could could cause cause cause cause damage damage damag...

Страница 3: ...tion Mode and Wiring 20 6 Display and Key press Operation 24 6 1 Display Instruction 24 6 2 Keys 25 6 3 Map of Display Data 26 7 Query Procedure 27 7 1 Initial Display 27 7 2 Voltage Value 28 7 3 Current Value 30 7 4 Frequency 31 7 5 Power Value 32 7 6 Energy 33 7 7 Harmonic 35 7 8 Demand 37 7 9 Analog Input Optional 38 HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 4: ...MIT Deviation Limit Setting Menu 46 8 9 ERROR 47 9 Measuring Function Description 48 9 1 Voltage 49 9 2 Current 50 9 3 Active power 51 9 4 Reactive power 51 9 5 Apparent power 51 9 6 Power factor 52 9 7 Frequency 53 9 8 Demand calculation 53 9 9 Phase sequence detect 54 10 Power Quality Analysis 56 10 1 General Description 57 10 2 THD 57 10 3 Harmonic Ratio for Voltage 57 HRW Limited Ph 852 2546 7...

Страница 5: ...balance Rate 60 11 Energy and Multi tariff Energy Statics 62 11 1 General Description 62 11 2 Active Energy 62 11 3 Reactive Energy 63 11 4 Multi tariff Energy 63 11 5 History Energy 65 12 Record Function 65 12 1 General Description 65 12 2 SOE Event Log 65 12 3 Frequency Deviation Record 66 12 4 Voltage Deviation Record 66 12 5 Voltage Unbalance Record 67 12 6 Max Demand Record 67 12 7 Max Min Re...

Страница 6: ...1 Communication Medium 72 14 1 2 Communication Protocol 73 14 2 Status Input 73 14 3 Relay Output 74 14 4 4 20mA Analog Input optional module 76 14 5 Pulse Output optional module 76 14 6 Analog Output optional module 76 14 7 Memory optional module 79 15 Technical Specification 81 16 Maintenance and Trouble Shooting 85 HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 7: ...stem PMAC770 provide the main function as below Real time measuring data true RMS All energy data include real energy multi tariff energy history energy 1st 13th harmonic energy Power quality analysis Demand calculation Build in clock and event log Over under limit alarm Phase sequence checking Modbus communication Digital input Digital output DI DO Analog input Analog output AI AO optional 2 puls...

Страница 8: ...ower factor Energy kwh kvarh in 4 quadrant Frequency Demand Max min value U I P Q 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 unbalance THD 31st harmonic Harmonic RMS 0 31st Harmonic energy 1 13th Voltage crest factor Current K factor Voltage deviation Frequency deviation Record for voltage frequency ...

Страница 9: ...2pcs 2pcs 2pcs 2pcs of of of of Module Module Module Module S S S S but but but but only only only only 1pcs 1pcs 1pcs 1pcs of of of of other other other other modules modules modules modules S DI module 4 Digital Input wet contact R DO module 2 Relay output C RS485 module the 2nd RS485 port Modbus RTU protocol P Profibus module Profibus protocol AO AO module 2 Analog output 4 20mA AI AI module 2 ...

Страница 10: ...s as as 50Hz 50Hz 50Hz 50Hz F1 50Hz F2 60Hz Aux Aux Aux Aux power power power power supply supply supply supply Not Not Not Not choose choose choose choose will will will will be be be be deem deem deem deem as as as as P1 P1 P1 P1 P1 85 265Vac 85 265Vdc 45 65Hz P2 100 420Vac 100 400Vdc 45 60Hz For For For For example example example example Order No PMAC770N SSR V3 indicates the meter is the basi...

Страница 11: ...acking list list list list Packing Packing Packing Packing box box box box included included included included 1 PMAC770 Basic Unit and optional modules 2 User Manual HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 12: ...nd Terminals Terminals Terminals Terminals 4 1 4 1 4 1 4 1 Dimension Dimension Dimension Dimension Unit mm 4 4 4 4 2 2 2 2 Installation Installation Installation Installation Unit mm HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 13: ...0V 4 V1 Phase A voltage 5 V2 Phase B voltage 6 V3 Phase C voltage 7 VN Voltage neutral line 8 485 RS485 com port 1 negative wire 9 485 RS485 com port 1 positive wire 10 RL21 Relay output 2 positive 11 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 17 S1 Digit...

Страница 14: ...put Module Module Module Module one one one one meter meter meter meter maximum maximum maximum maximum can can can can add add add add 2 2 2 2 DI DI DI DI module module module module No No No No Mark Mark Mark Mark Definition Definition Definition Definition PIN1 EX S4 S8 Digital input 4 or 8 positive PIN2 EX S5 S9 Digital input 5 or 9 positive PIN3 EX S6 S10 Digital input 6 or 10 positive PIN4 E...

Страница 15: ... One One meter meter meter meter can can can can add add add add one one one one DO DO DO DO module module module module only only only only No No No No Mark Mark Mark Mark Definition Definition Definition Definition PIN1 EX RL22 Extend relay 2 output 2 PIN2 EX RL21 Extend relay 2 output 1 PIN3 NC Null PIN4 EX RL12 Extend relay 1 output 2 PIN5 EX RL11 Extend relay 1 output 1 HRW Limited Ph 852 254...

Страница 16: ...One meter meter meter meter can can can can add add add add one one one one AO AO AO AO module module module module only only only only No No No No Mark Mark Mark Mark Definition Definition Definition 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 HRW Limit...

Страница 17: ...One meter meter meter meter can can can can add add add add one one one one AI AI AI AI module module module module only only only only No No No No Mark Mark Mark Mark Definition Definition Definition Definition PIN1 EX AI1 Positive wire analog input 1 PIN2 EX AG Negative wire analog input 1 PIN3 NC Null PIN4 EX AI2 Positive wire analog input 2 PIN5 EX AG Negative wire analog input 2 HRW Limited P...

Страница 18: ...cation Communication Module Module Module Module One One One One meter meter meter meter can can can can add add add add one one one one C C C C module module module module only only only only No No No No Mark Mark Mark Mark Definition Definition Definition Definition PIN1 NC Null PIN2 NC Null PIN3 NC Null PIN4 EX 485 Extend RS485 output negative PIN5 EX 485 Extend RS485 output positive HRW Limite...

Страница 19: ...dule One One One One meter meter meter meter can can can can add add add add one one one one PO PO PO PO module module module module only only only only No No No No Mark Mark Mark Mark Definition Definition Definition Definition PIN1 EX P1 Pulse output for kWh positive PIN2 EX P1 Pulse output for kWh negative PIN3 NC Null PIN4 EX P2 Pulse output for kvarh positive PIN5 EX P2 Pulse output for kvarh...

Страница 20: ...e Mode Mode Mode and and and and Wiring Wiring Wiring Wiring PMAC770 supports 2 kinds of connection mode 3P4W and 3P3W A B C N A B C 3 phase 4 wire 3 phase 3 wire 1 3 phas 4 wire no PT 3CT HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 21: ...21 2 3 phas 4 wire 3PT 3CT 3 3 phas 3 wire no PT 3CT HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 22: ...22 4 3 phas 3 wire no PT 2CT 5 3 phas 3 wire 2PT 3CT HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 23: ...23 6 3 phas 3 wire 2PT 2CT HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 24: ...ction Instruction Instruction 5 5 9 9 6 6 7 7 4 4 3 3 2 2 1 1 8 8 1 Menu 2 Item 3 Load rate Load rate average current rated current 100 4 DI DO status means ON means OFF 5 Communication means no communication means RS485 port 1 means RS485 port 2 6 Unit 7 Data display area 8 Key prompt area 9 Alarm when display it mean there is error HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www ...

Страница 25: ...ck light will be off 6 6 6 6 2 2 2 2 2 2 2 2 Menu Menu Menu Menu Prompt Prompt Prompt Prompt and and and and Keys Keys Keys Keys Instruction Instruction Instruction Instruction Keys Keys Keys Keys or or or or Prompt Prompt Prompt Prompt Instruction Instruction Instruction Instruction To next item it is for menu rolling search Return to previous menu or cancel SET Setting Menu prompt Enter into the...

Страница 26: ...ort kvarh phase A Import kvarh phase B Export kvarh phase B Import kvarh phase C Export kvarh phase C Multi tariff energy Import kWh tariff 1 Power quality THD for V TOHD for V TEHD for V THD THD for I TOHD for I TEHD for I Harmonic ratio 2 31st Harmonic for V 2 31st Harmonic for I Harmonic RMS 0 31st Harmonic RMS for V 0 31st Harmonic RMS for I 0 31st Harmonic RMS for Ptot Voltage crest factor Cu...

Страница 27: ...the initial display as below Average Vph N in 3P4W Average Vph ph in 3P3W Average current Ptot Menu Menu Menu Menu Prompt Prompt Prompt Prompt VOL Voltage menu I Current menu FRE Frequency menu POWER Power menu ENERGY Energy menu EQ Power quality menu DMD Demand menu A I Analogy input menu SET Setting Total kWh HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 28: ... N average menu L L Vph ph average menu UNBAL Positive U 2 Negative U 1 Neutral U 0 Unbalance rate MAX Max Vph N or Max Vph ph time stamp MIN Min Vph N or Min Vph ph time stamp REC Voltage deviation record V Max Max Max Max Voltage Voltage Voltage Voltage Time Time Time Time Stamp Stamp Stamp Stamp HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 29: ...Voltage Deviation Deviation Deviation Deviation Menu Menu Menu Menu Prompt Prompt Prompt Prompt UP Page up to previous record DOWN Page down to next record START Event occurs time END Event end time HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 30: ...rrent Value Value Value Value Menu Menu Menu Menu Prompt Prompt Prompt Prompt UNBAL Positive I 2 Negative I 1 Neutral I 0 Max Max current time stamp Min Min current time stamp HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 31: ...rd Record Record Record Record of of of of Voltage Voltage Voltage Voltage Deviation Deviation Deviation Deviation Menu Menu Menu Menu Prompt Prompt Prompt Prompt UP Page up to previous record DOWN Page down to next record START Event occurs time END Event end time HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 32: ...alue Value Menu Menu Menu Menu Prompt Prompt Prompt Prompt P Active power per phase total Q Reactive power per phase total S Apparent power per phase total PF Power factor per phase total HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 33: ...p Exp 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 Import Import Import Import kWh kWh kWh kWh phase phase phase phase A A A A Import Import Import Import kvarh kvarh kvarh kvarh phase phase phase phase A A A A HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 34: ...34 Import Import Import Import kWh kWh kWh kWh tariff 1 tariff 1 tariff 1 tariff 1 HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 35: ...tio ratio 2 31st harmonic for V 2 31st harmonic for I RMS RMS RMS RMS Harmonic Harmonic Harmonic Harmonic RMS RMS RMS RMS 0 31st harmonic RMS for V 0 31st harmonic RMS for I 0 31st harmonic RMS for Ptot CF CF CF CF Voltage crest factor K FAC K FAC K FAC K FAC Current K factor ENRGY ENRGY ENRGY ENRGY kWh of 1 13th harmonic THD for V 2nd harmonic for V RMS DC component for V HRW Limited Ph 852 2546 ...

Страница 36: ...36 Voltage crest factor Current K factor Total kWh of fundamental HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 37: ...A IA IA IA Max demand for Ia time stamp IB IB IB IB Max demand for Ib time stamp IC IC IC IC Max demand for Ic time stamp P P P P Max demand for Ptot time stamp Q Q Q Q Max demand for Qtot time stamp S S S S Max demand for Stot time stamp HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 38: ...log Analog Analog Analog Input Input Input Input Optional Optional Optional Optional Analog input menu If PMAC770 add the AI module it will has this menu HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 39: ...ting Setting Setting 8 8 8 8 1 1 1 1 Instruction Instruction Instruction Instruction In initial display we can see the SET prompt press F4 to SETUP menu HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 40: ... it means User need to enter the correct password Default password is 0001 Super password is 2011 After enter the correct password there is EDIT prompt it means User can edit the parameter HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 41: ...41 8 8 8 8 2 2 2 2 Setting Setting Setting Setting Site map Site map Site map Site map HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 42: ...42 8 8 8 8 3 3 3 3 METER METER METER METER Meter Meter Meter Meter Setting Setting Setting Setting Menu Menu Menu Menu HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 43: ...43 HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 44: ...ommunication Communication Setting Setting Setting Setting Menu Menu Menu Menu 8 8 8 8 5 5 5 5 CLEAR CLEAR CLEAR CLEAR Clearing Clearing Clearing Clearing Data Data Data Data Menu Menu Menu Menu HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 45: ...45 8 8 8 8 6 6 6 6 RELAY RELAY RELAY RELAY Relay Relay Relay Relay Setting Setting Setting Setting Menu Menu Menu Menu HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 46: ...ng Setting Setting Menu Menu Menu Menu Optional Optional Optional Optional 8 8 8 8 8 8 8 8 LIMIT LIMIT LIMIT LIMIT Deviation Deviation Deviation Deviation Limit Limit Limit Limit Setting Setting Setting Setting Menu Menu Menu Menu HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 47: ...47 8 8 8 8 9 9 9 9 ERROR ERROR ERROR ERROR HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 48: ...Direct 5 120 of rating PT primary 0 65 00kV PT secondary 100Vph ph or 110V Current 0 2 0 001A CT primary 0 9 999A CT secondary 1 A or 5A Power 0 5 0 001 kW kvar kVA Per phase 0 649 9MW Mvar MVA 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 0 0 1kvarh 0 99 999 999 9 kvarh THD 1 0 0 001 0 100 0...

Страница 49: ...20 380V V3 V4 240 415V V6 V10 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...

Страница 50: ...ures 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 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 ...

Страница 51: ...1949 8MVar Attention Attention Attention 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 9 9 9 5 5 5 5 Apparent Apparent Apparent Apparent pow...

Страница 52: ...r phase power factor and total power factor PFa PFb PFc and 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 HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 53: ...n 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 can set demand 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 ...

Страница 54: ...lock mode Demand intervals is 10 mins subintervals is 2 mins 9 9 9 9 9 9 9 9 Phase Phase Phase Phase sequence sequence sequence sequence detect detect detect 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 Correct...

Страница 55: ...B and C same Wrong Phase A and B opposite Note Only after provide 3 phase voltage and current signal to the meter can it detect the phase sequence HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 56: ...Class B THD for current 0 100 Class B TOHD for current 0 100 Class B TDHD for current 0 100 Class B Harmonic Ratio HR for voltage 2 31st Class B HR for current 2 31st Class B Harmonic RMS Harmonic voltage RMS 0 31st Class B Harmonic current RMS 0 31st Class B Harmonic power RMS 0 31st Class B Harmonic energy RMS 1 13th Class B Other Voltage crest factor Class B Current K factor Class B Frequency d...

Страница 57: ... 31st harmonics analysis which is strong helpful for power quality analysis 10 2 10 2 10 2 10 2 THD THD THD THD PMAC770 measures voltage and current harmonic up to 31st and calculates THD TOHD Odd and TEHD Even Users can read THD data from the LCD or communication For example the data is 20 00 the actual THD value is 20 00 10 3 10 3 10 3 10 3 Harmonic Harmonic Harmonic Harmonic Ratio Ratio Ratio R...

Страница 58: ...value is 0 Users can read CF value from the LCD or communication Crest Factor Formula In the formula U U U Uh h h h is the h h h h harmonic RMS U U U U1 1 1 1 is fundamental harmonic RMS N N N N is the highest order harmonic 10 6 10 6 10 6 10 6 Current Current Current Current K K K K Factor Factor Factor Factor PMAC770 measures 3 phase current K factor data resolution 0 001 If no current input the...

Страница 59: ...ctive power RMS data resolution 0 1W Users can read every order of harmonic power RMS from the LCD or communication 10 10 10 10 10 10 10 10 Harmonic Harmonic Harmonic Harmonic Energy Energy Energy Energy RMS RMS RMS RMS PMAC770 measures 0 13th harmonic energy total kWh RMS data resolution 0 1 kWh Users can read every order of harmonic energy RMS from the LCD or communication 10 11 10 11 10 11 10 1...

Страница 60: ...Formula Voltage Deviation Actual voltage Nominal voltage Nominal voltage 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 s...

Страница 61: ...he 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 Note PMAC770 do not calculate the current unbalance HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw h...

Страница 62: ...nover Under different connection mode PMAC770 accumulates the energy in different way as below sheet Connection Connection Connection Connection mode mode mode mode Energy Energy Energy Energy calculation calculation calculation calculation 3 phase 4 wire Per phase 4 quadrant energy Total energy Multi tariff energy History energy 3 phase 3 wire Total energy Multi tariff energy History energy Note ...

Страница 63: ... tariff F1 F2 F3 F4 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 Tariff Tariff Tariff Tariff List List List List Num Num Num Num of of of of period period period period Period Period Period Period order order order order Starting Starting Starting Starting t t t time ime ime ime to to to to end end end end time time time ...

Страница 64: ...2 use use use use the the the the Tariff Tariff Tariff Tariff List List List List 2 2 2 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 Attention Attention Attention 1 Users can divide one day 24 hours up to 8 periods and set 4 tariff maximum 2 Each period must 15 minutes and the duration must be a multiple of 15 3 The start...

Страница 65: ...te 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 12 2 12...

Страница 66: ...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 1 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 PMAC770 PMAC770 PMAC770 Modbus Modbus Modbus Modbus Register Reg...

Страница 67: ...tting range 0 100 When unbalance limit PMAC770 records the unbalance starting time ending 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 1 2011 07 28 06 05 25 to 2011 07 28 06 28 35 voltage unbalance Max unbalance value is 24 For more details please refer to PMAC770 P...

Страница 68: ... Min Min Record Record Record Record PMAC770 records the max min for 3 phase voltage ph N and ph ph 3 pase 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 HRW Limited Ph 852 2546 7402 Fax 852 254...

Страница 69: ...Setpoint Setpoint Setpoint Object Object Object Object PMAC770 can monitor 27 kinds of parameters as below Object Object Object Object Param Param Param Parame e e eter ter ter ter Voltage Va Vb Vc neutral voltage average phase voltage Vab Vbc Vca average line voltage Current Ia Ib Ic neutral current average current Power factor PFa PFb PFc PFtot Frequency Frequency Power quality Voltage unbalance...

Страница 70: ...rated voltage is 50Hz Setpoint limit range 0 120 If users set the under limit 20 20 of rating i e 10Hz which is out of measuring range the setpoint is invalid it will not alarm 13 3 2 13 3 2 13 3 2 13 3 2 Set Set Set Set the the the the delay delay delay delay time time time time After set the over under limit users need to set the delay time Setting range 0 99s Only it satisfy two conditions that...

Страница 71: ...ed to the limit and 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 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 HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk w...

Страница 72: ...am Attention In the field in order to avoid signal reflecting it s common to connect a 120Ω resistance at the end of RS485 network for signal matching series port PMAC770 RS485 converter PMAC770 PMAC770 14 14 14 14 1 1 1 1 1 1 1 1 Communication Communication Communication Communication M M M Medium edium edium edium The communication medium is No 22 STP Shielded twisted pair Maximum 32 units of me...

Страница 73: ...485 port 2 2400 4800 9600 19200 38400 programmable 14 1 4 14 1 4 14 1 4 14 1 4 Strong Strong Strong Strong Power Power Power Power Prevention Prevention Prevention 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 communicatio...

Страница 74: ... can add one optional Relay Output Module which provides the other 2 relay output Relay node capacity 250VAC 5A There are 2 kinds of relay control mode Local control and Remote control Under local mode the reply 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 Chapter Chapter Chapter Chapte...

Страница 75: ...User can set the release time by keys on panes or via communication Local Local Local Local control control control control internal internal internal internal The relay will respond once the electrical parameters satisfy alarm conditions Please refer to Chapter Chapter Chapter Chapter 13 13 13 13 Setpoint Setpoint Setpoint Setpoint Alarm Alarm Alarm Alarm for more description Delay Delay Delay De...

Страница 76: ...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 kvarh The formula is 1 pulse 1 pulse constant CT 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 b...

Страница 77: ... output wiring PLC controller PMAC770 input input AO AO The The The The Analog Analog Analog Analog Output Output Output Output Curve Curve Curve Curve as as as as below below below below Magnification Magnification Magnification Magnification factor factor factor factor is is is is λ λ λ λ λ Ue output 0 4mA 20mA I λ Ie output 4mA 20mA P λ Pe output λ Pe 4mA 20mA Q λ Qe output λ Qe 4mA 20mA PF 1 0...

Страница 78: ... associate with any one of below parameters Analog Analog Analog Analog output output output output object object object object Voltage Phase voltage Va Vb Vc Line voltage Vab Vbc Vca Current Ia Ib Ic Active power Ptot Reactive power Qtot Power factor PFtot Frequency F Remark if set the analog output object to frequency or Ptot or F it s meaningless to set the magnification factor default 1 HRW Li...

Страница 79: ...o the extend interface of PMAC770 basic unit 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 14 7 2 14 7 2 14 7 2 14 7 2 Specification Specification Specification Specification of of of of Memory Memory Memory Memory Module Module Module Mo...

Страница 80: ...voltage Demand current Demand active power Demand reactive power Demand apparent power 14 7 4 14 7 4 14 7 4 14 7 4 Read Read Read Read the the the the Data Data Data Data from from from from Memory Memory Memory Memory Module Module Module Module The PMAC770 only support to read the data from RS485 communication Please refer to the PMAC770 PMAC770 PMAC770 PMAC770 Modbus Modbus Modbus Modbus Commun...

Страница 81: ...Overload Overload 120 of rated continuously Instantaneous current 10 times sec Instantaneous voltage 2 times sec Status Status Status Status input input input input 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 Relay Relay Relay Relay output output output output Node capacity 250Vac...

Страница 82: ...265Vac 85 265Vdc When order No is P2 100 420Vac 100 400Vdc Power Power Power Power loss loss loss loss When order No is P1 power loss 10VA When order No is P2 power loss 15VA Communication Communication Communication Communication RS485 serial support Modbus RTU Baud rate 2400 4800 9600 19200 38400bps Address 1 247 Dimension Dimension Dimension Dimension L L L L x x x x W W W W x x x x H H H H Pan...

Страница 83: ... primary 0 65 00kV PT secondary 100Vph ph or 110V Current 0 2 0 001A CT primary 0 9 999A CT secondary 1 A or 5A Power 0 5 0 001 kW kvar kVA Per phase 0 649 9MW Mvar MVA Total 0 1949 8MW Mvar MVA Power factor 0 5 0 001 1 000 1 000 Frequency 0 5 0 01Hz 45 65 Hz Active energy 0 5 0 1kWh 0 99 999 999 9 kWh Reactive energy 2 0 0 1kvarh 0 99 999 999 9 kvarh THD 1 0 0 001 0 100 0 Individual harmonic 1 0 ...

Страница 84: ...0 4 3 1998 IV Electrical fast transient burst immunity test IEC61000 4 4 1998 III Surge immunity test IEC61000 4 5 2005 III Immunity to conducted disturbances induced by radio frequency fields IEC61000 4 6 1998 III Power frequency magnetic field immunity test IEC61000 4 6 2001 III Electromagnetic emission limit value IEC60255 25 2000 OK Power frequency immunity test IEC61000 4 8 2001 A HRW Limited...

Страница 85: ...eter 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 The measured value is not correct or does not conform to the expectation The voltage measurement is not correct Check if the neutral point has been connected reliably Check if the measured voltage matches the rated parameter of the mete...

Страница 86: ...ange The DI operating voltage is not correct Check if the types of external nodes match the rated parameters of the meter Check if the external connection is correct The relay no respond The relay does not receive the control command Check if the communication link is correct The working mode of the relay is not correct Check if the current relay is under the correct control mode HRW Limited Ph 85...

Страница 87: ...utput The setting of the pulse object or constant is wrong Check if the pulse output channels is activated Check if the pulse constant is set correctly The upper end device can not communicate with the meter Communication address error Check if the address of the meter is consistent with its definition or if there are more than two identical addresses in the same network Baudrate error Check if th...

Страница 88: ...tor has been connected The communication link suffers interference Check if the communication shielding layer has been earthed effectively The communication line is interrupted Check if the communication cable has been disconnected HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

Страница 89: ... right to modify this manual without prior notice in view of continued improvement Technical Consulting 86 15916202620 After sale Services 86 15916202800 Email pilot166 pmac com cn HRW Limited Ph 852 2546 7402 Fax 852 2546 7403 admin hrw hk www hrw hk ...

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