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ALLIANCE POM100, User Manual

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ALLIANCE POM100 User Manual Download Page 17

 

 

 

Power Meter 

–

 POM100 

User Manual v1 

 

www.compressedairalliance.com  

17 

Wiring Diagrams 

 WARNING

:

 Incorrect wiring and installation can cause an electric shock, 

electrocution or damage to the power meter or other equipment. It may 
also void the warranty.  

 

Before installing the power meter, make sure it is rated for your system (refer to 
Specification section). 

Notes

: 

Rcoil*

：

Rogowski coil secondary output voltage can not be over 333mV rms. 

CT^

：

CT must be voltage output, secondary output can not be over 333mV rms. 

 Circuit breaker: 500mA fuses and disconnect switch  

 

 VT primary fuses and disconnect switch 

 

Modbus Communication Wiring Diagram 

 
 
 
 
 
 
 
 
 
 
 

 

GRD 

485A 

485B 

Summary of Contents for POM100

Page 1: ...www compressedairalliance com 1 User Manual Power Meter Din Rail No Display Model POM100 ...

Page 2: ...ww compressedairalliance com 2 Table of Contents Notices 3 Warnings 3 Multi Function Power Meter 4 Specifications 5 Installation Mechanical 12 Installation Electrical 14 Warranty 22 Need help 22 Appendix Modbus Communication Protocol 23 ...

Page 3: ...all or use the product you accept that you have read understood and complied with this manual Compressed Air Alliance endeavours to make the content of this manual correct but is not responsible for omissions or errors and the consequences caused In case of any doubts or questions regarding this manual or the product please contact Compressed Air Alliance Warnings Ignoring the warnings can lead to...

Page 4: ...standing of energy usage eg spikes variation usage Identify phase and voltage issues Identify power factor and harmonic issues Compare and challenge your energy bill Improve efficiency and reduce waste Monitor your mains power supply usage and quality Monitor individual equipment usage or sub system loads Key Features Measure voltage amps kilowatts power factor kilowatt hours kilovolt Amps kVa and...

Page 5: ... 000 samples per second Harmonic 52th Max Dimensions 122 mm L x 87 mm W x 23 mm D 4 8 L x 3 4 W x 0 9 D Weight 125 grams Colour White Installation Type Permanent installation or temporary installation Contractual warranty 12 months Measurement Ranges Measured voltage 80V to 400V AC or 100V to 500V AC Frequency 50 60Hz Accuracy Note The accuracy of the power meter is affected by the quality of inst...

Page 6: ...s 0 5s Reactive energy IEC62053 21 Class 2 Power Power supply 85 to 264VAC 100 to 370VDC 3 5W Or 24VDC Input Input type External CT 333mV only or External Rogowski coil Primary current range Adjustable from 0 1A to 9999A Measurement input range 1 225 mV to 333mV Permissible overload 600mV for 10s hours Output Output parameters Voltage Amps and Kilowatts for each phase power factor reactive power k...

Page 7: ...uctivity caused by condensation is to be expected Overvoltage category III for distribution systems up to 277 480VAC Dielectric withstand As per IEC61010 1 Doubled insulated front panel display Altitude 3000m Max IP degree of protection IP20 conforming to IEC 60629 Alarm Setting Voltage and current each phase AVG Output form Relay Instantaneous rms Values Voltage U UTH2 UTH3 UTH4 Per Phase AVG Cur...

Page 8: ...o radiated fields Level III IEC61000 4 3 Immunity to fast transients Level IV IEC61000 4 4 Immunity to surge Level IV IEC61000 4 5 Conducted immunity Level III IEC61000 4 6 Immunity to power frequency magnetic fields 0 5mT IEC61000 4 8 Conducted and radiated emissions Class B EN55022 Standard compliance EN 62052 11 EN61557 12 EN 62053 21 EN 62053 22 EN 62053 23 EN 50470 1 EN 50470 3 EN 61010 1 EN ...

Page 9: ...dairalliance com 9 RS485 link 3 wires Communication protocol MODBUS RTU Settings Communication address 1 to 247 default 1 Baud rate 1200 to 57600 baud default 19200 Parity Even Odd None default Data Bit 8 Stop bit 1 Power Meter Dimensions 87 mm 3 4 ...

Page 10: ...ance central position 25 Maximum Current Measurable 100kA Coil Resistance from 100 to 250 Ω Position Error 1 maximum Phase error 0 5 Shielded 00 coil 100 output cable Couplings PA6 UL 94 V O rated Voltage Insulation Coil 3000V Signal cable 1000V Compliance LVD EN 61010 1 2010 EMC EN 61326 1 2013 Safety 1000V CATIII 600V CATIV Materials Coil cable Thermoplastic rubber flame retardant UL 94 V 0 rate...

Page 11: ...000 Amp A Windows size A 50 mm 105 mm 155 mm B Windows size B 60 mm 100 mm 150 mm C Coil Outer Diameter 66 mm 121 mm 171 mm D Coil section 8 mm E Lead Cable Total Length 5 meters F Coil length 200 mm 350 mm 510 mm Conductor Position Typical Error Adjacent to the center of coil 0 2 Adjacent to the inside coil 1 21 mm 0 8 5 mm 0 2 20 mm 0 8 10 mm 0 4 ...

Page 12: ...lead to malfunctions and may damage the product or system The system must be disconnected from any power supply during maintenance work Certain parts of the product may carry hazardous live voltage e g primary conductor The user shall take all measures necessary to protect against electrical shock A protective enclosure or additional insulation barrier may be necessary Do not use this product in e...

Page 13: ...power supply disconnected Local and national regulations must be fully observed Step 1 Locate clip on the Rogowski Coil base unit Step 2 Unscrew clip and pull out coil from base unit Step 3 Place coil over conductor ensuring arrow faces toward the load Step 4 Insert coil back into base unit and screw clip to secure the coil ...

Page 14: ...injuries or even death The user shall take all measures necessary to protect against electrical shock Notes Always check the wires to make sure they are wired correctly Consider all local and national safety requirements and regulations for electrical installations The system must be disconnected from any power supply during installation and maintenance work Any electrical work on the system is on...

Page 15: ...ent Current I Input 2 IA A phase current input negative 3 IB B phase current input positive B phase current 4 IB B phase current input negative 5 IC C phase current input positive C phase current 6 IC C phase current input negative 7 N A Option Option 8 N A Option 9 N A Option 10 UN N phase voltage input Voltage U Input 11 UC C phase voltage input 12 UB B phase voltage input ...

Page 16: ... 14 N A Option Option 15 N A Option 16 N A Option 17 N A Option 18 A RS485 A Data RS485 communication 19 B RS485 B Data 20 GND RS485 Ground Shield 21 OP Coupler output Coupler output 22 OP Coupler output 23 RCOM Relay output Relay output 24 RO1 Relay output 25 V Power supply 0V DC Power 85 to 265 V AC DC or 24V DC 26 V Power supply 24VDC ...

Page 17: ... may also void the warranty Before installing the power meter make sure it is rated for your system refer to Specification section Notes Rcoil Rogowski coil secondary output voltage can not be over 333mV rms CT CT must be voltage output secondary output can not be over 333mV rms Circuit breaker 500mA fuses and disconnect switch VT primary fuses and disconnect switch Modbus Communication Wiring Dia...

Page 18: ...Power Meter POM100 User Manual v1 www compressedairalliance com 18 3PH4W no VT 3PH3W no VT A B C B C N A ...

Page 19: ...Power Meter POM100 User Manual v1 www compressedairalliance com 19 3PH3W with VT A C B ...

Page 20: ...Power Meter POM100 User Manual v1 www compressedairalliance com 20 1PH3W LL N 1PH2W L N L L N L N ...

Page 21: ...Power Meter POM100 User Manual v1 www compressedairalliance com 21 1PH2W L L L N ...

Page 22: ...of warranty The following damage is excluded from this warranty Improper use and non adherence to the user manual Use of unsuitable accessories External influences e g damage caused by vibration damage during transportation excess heat or moisture The warranty is cancelled when one of the following situations occurs The user opens the measurement instrument without a direct request written in this...

Page 23: ...nication to 1200 2400 4800 9600 etc Error detection CRC16 cyclic redundancy check Modbus communications settings Before communicating with the device using Modbus RTU protocol use the HMI to configure the following settings Parameters Available Values Default Value Baud rate 1200 Baud 2400 Baud 4800 Baud 9600 Baud 19200 Baud 38400 Baud 57600 Baud 19200 Baud Data bits 8 8 Parity Odd Even None None ...

Page 24: ...de Function Name Behaviour Decimal Hexa decimal 3 03H Read Holding Registers Read present HEX from one or more registers 16 10H Write Multiple Registers Write present HEX on multiple registers Register table Register tables have the following columns Register Alias Register Address Action R WC Size Type Units Description Where Register Alias The meaning of the register Register Address Modbus addr...

Page 25: ...16 16 bit unsigned integer 0 to 65535 Int16 16 bit signed integer 32768 to 32767 UInt32 32 bit unsigned integer 0 to 4 294 967 295 UInt64 64 bit unsigned integer 0 to 18 446 744 073 709 551 615 UTF8 8 bit field multibyte character encoding for Unicode Float32 32 bit value Standard representation IEEE for floating number with single precision Bitmap Date Time Date Time Format Units Word 15 14 13 12...

Page 26: ...dress Function Code Command Register Address Command Register Number Data Length Command Register Value CRC 1 247 16 300 up to 423 N N x 2 Command Result The command result can be obtained by reading registers 424 and 425 The following table describes the command result Register Address Content Size Int16 Data example 424 Requested Command Number 1 1001 set Date Time 425 Result 1 0 Valid Operation...

Page 27: ...ts High 8 bits Low 8 bits High 8 bits Low 8 bits Function code 0x10 16 Operation Function code 0x10 16 is used to configure the meter Request data format No Alias Type Range decimal Description 1 Salve ID UInt8 1 247 2 Function code UInt8 16 3 Registers Start address UInt16 Big Endian Sending order 4 Registers Numbers UInt16 1 123 Big Endian Sending order 5 Bytes of Registers Values UInt8 Register...

Page 28: ...s Numbers UInt16 1 123 Big Endian 5 CRC 16 Check UInt16 Little Endian Attention Function code 0x10 16 can only write data to Command Register That is only registers starting from 300 can be written data For example Configure Digital Outputs command 1005 No Alias Type Range decimal Range hexadecimal Description 1 Salve ID UInt8 1 01 2 Function code UInt8 16 10 3 Registers Start address UInt16 300 0...

Page 29: ...n Sending order 9 CRC 16 Check UInt16 50093 C3AD Little Endian Sending order Request data send as follows 01 10 01 2C 00 02 04 03 ED 00 01 AD C3 If the configured data is right the meter will response data as follows 01 10 01 2C 00 02 81 FD No Alias Type Range hexadecimal Range decimal 1 Salve ID UInt8 01 1 2 Function code UInt8 10 16 3 Registers Start address UInt16 012C 300 4 Registers Numbers U...

Page 30: ... UInt8 3 3 Registers Start address UInt16 Big Endian Sending order 4 Registers Numbers UInt16 1 125 Big Endian Sending order 5 CRC 16 Check UInt16 Little Endian Sending order Response data format No Alias Type Range decimal Description 1 Salve ID UInt8 1 247 2 Function code UInt8 3 3 Bytes of Registers Values UInt8 Registers Numbers 2 4 Value of Register 1 Big Endian 5 Big Endian 6 Value of Regist...

Page 31: ...63 4 Registers Numbers UInt16 6 0x0006 5 CRC 16 Check UInt16 46647 0xB637 Request data send as follows 01 03 08 63 00 06 37 B6 Response data as follows 01 03 0C 43 5C 00 00 43 5D 00 00 43 5E 00 00 14 AC No Alias Type Range decimal Range hexadecimal Description 1 Salve ID UInt8 01 1 2 Function code UInt8 03 3 3 Bytes of Registers Values UInt8 0C 12 4 Voltage A float32 435C0000 220V 5 Voltage B floa...

Page 32: ...nt16 Little Endian Exception code of MODBUS Code hexadecimal Name Meaning 0x01 ILLEGAL FUNCTION The function code received in the query is not an allowable action for the meter 0x02 ILLEGAL DATA ADDRESS The data address received in the query is not an allowable address for the meter 0x03 ILLEGAL DATA VALUE A value contained in the query data field is not an allowable value for the meter 0x04 DEVIC...

Page 33: ...te W 1 UInt16 1 12 Month Write W 1 UInt16 1 31 Day Write W 1 UInt16 0 23 Hour Write W 1 UInt16 0 59 Minute Write W 1 UInt16 0 59 Second Set Communications Command Number Action R W Size Type Units Range Description 1002 Write W 1 UInt16 1 247 Slave Address Write W 1 UInt16 0 1 2 3 4 5 6 Baud Rate 0 1200 1 2400 2 4800 3 9600 4 19200 5 38400 6 57600 Write W R WC UInt16 0 1 2 Parity 0 Odd 1 Even 2 No...

Page 34: ...te W 1 UInt16 Hz 50 60 Nominal Frequency Write W 2 UInt32 V VT Primary Write W 1 UInt16 V 100 110 115 120 VT Secondary Write W 2 UInt32 A CT Primary Write W 1 UInt16 mV Max value 333mV CT Secondary Write W 2 UInt32 Reserved Reserved Write W 1 UInt16 1 2 3 4 Rcoil Rate Current 1 100A 50mV kA 50Hz 2 600A 50mV kA 50Hz 3 1 000A 85mV kA 50Hz 4 3 000A 85mV kA 50Hz 5 6 000A 50mV kA 50Hz Write W 1 UInt16 ...

Page 35: ...e Description 1004 Write W 1 UInt16 2 52 HX harmonic times Write W 1 UInt16 2 52 HY harmonic times Write W 1 UInt16 2 52 HZ harmonic times Set Digital Output Command Number Action R W Size Type Units Range Description 1005 Write W 1 UInt16 0 1 1 Relay Open 0 Relay Closed Reset Energy Command Number Action R W Size Type Units Range Description 1006 Write W 1 UInt16 2050 to 2053 2050 Reset Phase 1 2...

Page 36: ...0 R 2 UInt32 Firmware Version 72 R 1 UInt16 DLF format X Y ZTT Date Time 73 R WC 4 Data Time Date Time Reg 73 Year 00 99 year from 2000 to 2099 Reg 74 Month b15 b8 Day b7 b0 Reg 75 Hour b15 b8 Minute b7 b0 Reg 76 Millisecond Communications Register Alias Register Address Action R WC Size Type Units Description Address 80 R WC 1 UInt16 1 to 247 Baud Rate 81 R WC 1 UInt16 0 1200 1 2400 2 4800 3 9600...

Page 37: ...ng Type 90 R WC 1 UInt16 0 1PH2W L N 1 1PH2W L L 2 3PH4W 3 3PH3W 4 1PH3W_LLN Nominal Frequency 91 R WC 1 UInt16 Hz VT Primary 92 R WC 2 UInt32 V VT Secondary 94 R WC 2 UInt32 V RealValue ReadValue 1000 CT Primary 96 R WC 2 UInt32 A CT Secondary 98 R WC 2 UInt32 mV RealValue ReadValue 1000 100 R WC 2 UInt32 A Rcoil Secondary 102 R WC 2 UInt32 mV RealValue ReadValue 1000 Voltage Connection 104 R WC ...

Page 38: ...ter Address Action R WC Size Type Units Description Tariff Status 160 R WC 1 1 Tariff 1 2 Tariff 2 3 Tariff 3 4 Tariff 4 Command Register Register Alias Register Address Action R WC Size Type Units Description Command Code 300 R W 1 UInt16 Parameter 001 301 R W 1 UInt16 Parameter 002 302 R W 1 UInt16 R W 1 UInt16 Parameter 123 423 R W 1 UInt16 Requested Command 424 R 1 UInt16 Command Result 425 R ...

Page 39: ...Units Description Power Factor PF1 2000 R 2 Float32 Phase 1 Power Factor PF2 2002 R 2 Float32 Phase 2 Power Factor PF3 2004 R 2 Float32 Phase 3 Power Factor PF Avg 2006 R 2 Float32 Average of PF1 PF2 PF3 DPF1 2008 R 2 Float32 Phase 1 Displacement Power Factor DPF2 2010 R 2 Float32 Phase 2 Displacement Power Factor DPF3 2012 R 2 Float32 Phase 3 Displacement Power Factor DPF Avg 2014 R 2 Float32 Ave...

Page 40: ... Range 2 52 HZ harmonic times 2026 R WC 1 UInt16 Range 2 52 Current Harmonics I1THDx 2027 R 2 Float32 Phase 1 X times harmonics current distortion I2THDx 2029 R 2 Float32 Phase 2 X times harmonics current distortion I3THDx 2031 R 2 Float32 Phase 3 X times harmonics current distortion ITHDx Avg 2033 R 2 Float32 Average of I1THDx I2THDx I3THDx I1THDy 2035 R 2 Float32 Phase 1 y times harmonics curren...

Page 41: ...7 R 2 Float32 Phase 3 z times harmonics current distortion ITHDz Avg 2049 R 2 Float32 Average of U1THDz U2THDz U3THDz I1THD 2051 R 2 Float32 Phase 1 total harmonics current distortion I2THD 2053 R 2 Float32 Phase 2 total harmonics current distortion I3THD 2055 R 2 Float32 Phase 3 total harmonics current distortion ITHD Avg 2057 R 2 Float32 Average of U1THD U2THD U3THD I1THx 2059 R 2 Float32 V Phas...

Page 42: ...ITHy Avg 2073 R 2 Float32 V Average of U1THy U2THy U3THy I1THz 2075 R 2 Float32 V Phase 1 z times harmonics current I2THz 2077 R 2 Float32 V Phase 2 z times harmonics current I3THz 2079 R 2 Float32 V Phase 3 z times harmonics current ITHz Avg 2081 R 2 Float32 V Average of U1THz U2THz U3THz Voltage Harmonics U1THDx 2083 R 2 Float32 Phase 1 X times harmonics voltage distortion U2THDx 2085 R 2 Float3...

Page 43: ...e distortion UTHDy Avg 2097 R 2 Float32 Average of U1THDy U2THDy U3THDy U1THDz 2099 R 2 Float32 Phase 1 z times harmonics voltage distortion U2THDz 2101 R 2 Float32 Phase 2 z times harmonics voltage distortion U3THDz 2103 R 2 Float32 Phase 3 z times harmonics voltage distortion UTHDz Avg 2105 R 2 Float32 Average of U1THDz U2THDz U3THDz U1THD 2107 R 2 Float32 Phase 1 total harmonics voltage distort...

Page 44: ...Float32 V Average of U1THx U2THx U3THx U1THy 2123 R 2 Float32 V Phase 1 y times harmonics voltage U2THy 2125 R 2 Float32 V Phase 2 y times harmonics voltage U3THy 2127 R 2 Float32 V Phase 3 y times harmonics voltage UTHy Avg 2129 R 2 Float32 V Average of U1THy U2THy U3THy U1THz 2131 R 2 Float32 V Phase 1 z times harmonics voltage U2THz 2133 R 2 Float32 V Phase 2 z times harmonics voltage U3THz 213...

Page 45: ... 2153 R 2 Float32 V Average of U1 U2 U3 Power P1 2155 R 2 Float32 kW Active Power Phase 1 P2 2157 R 2 Float32 kW Active Power Phase 1 P3 2159 R 2 Float32 kW Active Power Phase 1 PTotal 2161 R 2 Float32 kW Total Active Power FQ1 2163 R 2 Float32 kVAR Fundamental Reactive Power Phase 1 FQ2 2165 R 2 Float32 kVAR Fundamental Reactive Power Phase 2 FQ3 2167 R 2 Float32 kVAR Fundamental Reactive Power P...

Page 46: ... 109 kVah Register Alias Register Address Action R WC Size Type Units Description Active Energy EP1Imp 4000 R 2 UInt32 kWh Active Energy Import Phase 1 EP2Imp 4002 R 2 UInt32 kWh Active Energy Import Phase 2 EP3Imp 4004 R 2 UInt32 kWh Active Energy Import Phase 3 EPsumImp 4006 R 2 UInt32 kWh Total Active Energy Import Phase All EP1Exp 4008 R 2 UInt32 kWh Active Energy Export Phase 1 EP2Exp 4010 R ...

Page 47: ... Import Phase All EQ1Exp 4032 R 2 UInt32 kVarh Reactive Energy Export Phase 1 EQ2Exp 4034 R 2 UInt32 kVarh Reactive Energy Export Phase 2 EQ3Exp 4036 R 2 UInt32 kVarh Reactive Energy Export Phase 3 EQsumExp 4038 R 2 UInt32 kVarh Total Reactive Energy Export Phase All Apparent Energy ES1Imp 4048 R 2 UInt32 kVAh Apparent Energy Import Phase 1 ES2Imp 4050 R 2 UInt32 kVAh Apparent Energy Import Phase ...

Page 48: ...ate 1 Active Energy Import ETF2 4074 R 2 UInt32 kWh Rate 2 Active Energy Import ETF3 4076 R 2 UInt32 kWh Rate 3 Active Energy Import ETF4 4078 R 2 UInt32 kWh Rate 4 Active Energy Import Power Current Demand PDemand 5000 R 2 Float32 kW Active Power Present Demand PPeakDemand 5002 R 2 Float32 kW Active Power Peak Demand PPeakDemandDate 5004 R 4 Date time Active Power Peak Demand Date Time QDemand 50...

Page 49: ...ak Demand I1PeakDemandDate 5028 R 4 Date time Current I1 Peak Demand Date Time I2Demand 5032 R 2 Float32 kW Current I2 Present Demand I2PeakDemand 5034 R 2 Float32 kW Current I2 Peak Demand I2PeakDemandDate 5036 R 4 Date time Current I2 Peak Demand Date Time I3Demand 5040 R 2 Float32 kW Current I3 Present Demand I3PeakDemand 5042 R 2 Float32 kW Current I3 Peak Demand I3PeakDemandDate 5044 R 4 Date...

Page 50: ...r quality analysis values use the following abbreviations Fundamental phase current rms I1 Fundamental phase voltage rms V1 Total harmonic distortion of the phase current Total harmonic distortion of the phase voltage Harmonic distortion on the phase current Harmonic distortion on the phase voltage ...

Page 51: ...ed exported means negative real power flow P Power factor PF Power factor PF is the ratio of real power P to apparent power S and is a number between 0 and 1 An ideal purely resistive load has no reactive components so its power factor is one PF 1 or unity power factor A purely inductive or capacitive load no resistive components so its power factor is zero PF 0 True PF and displacement PF The met...

Page 52: ...ower Meter POM100 User Manual v1 www compressedairalliance com 52 Compressed Air Alliance Pty Ltd Phone Australia 1300 558 526 E mail sales compressedairalliance com Website www compressedairalliance com ...

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