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1. General

Information

SPM33 three phase multi-function power meters, mainly apply to Low Voltage Distribution

System, which voltage below AC400V (L-N), it can through RS485/ Modbus communication

to manage instrument of network, and achieve automatic control.

The main characteristics of SPM33 are as follows:

Real-time parameter measurement

(Three-phase voltage, current, active power, reactive power, apparent power, power factor,

frequency, active energy, reactive energy, and other combined electrical parameters

measurement)

Demand measurement

(Phase current demand, sub-phase active demand, total active demand, the maximum

current demand, maximum total active demand, three phase reactive power, total reactive

power, three phase apparent power, total apparent power demand, save their maximum

value.)

2 active status inputs

2 relay outputs

（

optional

）

Alarm function

Up to the 31

harmonic measurement, phase voltage and current harmonic content

(2 to 31),THD

1 RS485 communications, Modbus-RTU protocol

Phase sequence adjustment

Support Dual-source kWh measurement

Содержание SPM33

Страница 1: ...V2 0...

Страница 2: ...installed and maintained only by qualified people z Before operating the device isolate the voltage input and power supply and short circuit the secondary windings of all current transformers z Put a...

Страница 3: ...1 Dimension 3 3 2 Installation 3 4 Operation 4 1 Real time measurement data structure 4 4 2 The graphic display 5 4 3 Status Inquiry 6 4 4 Key Description 6 4 5 Parameter settings 7 5 Measuring Capab...

Страница 4: ...n 20 5 6 2 Alarm Output 21 6 Input output Characteristics 6 1 Relay output 21 6 2 Status input 23 6 3 Dual Source kWh measurement 24 7 Technical Datasheet 8 Communication protocol 8 1 Introduction 27...

Страница 5: ...reset Multiple Registers Function code 10H 37 8 4 Calculating the CRC 16 Error Check Field 38 8 5 Description of SPM33 Registers 42 8 6 Description of Data Types 42 8 6 1 Real time data register list...

Страница 6: ...equency active energy reactive energy and other combined electrical parameters measurement Demand measurement Phase current demand sub phase active demand total active demand the maximum current deman...

Страница 7: ...lay alarm output Rated identify measurement parameters V1 3 220 380V 5A V2 3 220 380V 1A Example SPM33 R V1 the low voltage three phase multifunction power meter rated measuring 220 380V 5A with stand...

Страница 8: ...3 Dimension and Installation 3 1 Dimension unit mm 3 2 Installation unit mm 3 COM ALARM 96 0 96 0 69 8 89 50 80 5 89 5 SPM33 90 0 0 5 0 0 90 0 0 5 0 0...

Страница 9: ...ta structure 1 Real time measurement data display by the form of main menu submenu page button of main menu page button of submenu 2 Menu tree diagram Can flip the main menu by press Can flip the subm...

Страница 10: ...If there is no key operation within 60s the backlight automatically turns off when the backlight is lit until the button operation again 2 Status prompt of DI DO displays the current status of DI DO...

Страница 11: ...ALARM lamp flashes when there is an alarm off when no alarm off 4 4 Key Description Note In a different interface the same keys have different functions Sibling menu switch move the cursor to the rig...

Страница 12: ...o enter CT interface the figure as below You can set ratio according to the site CT CT setting range 1 to 10000 COM ALARM 1 11 DI oo CT 1 COM CT SPM33 2 Communication press key to enter the communicat...

Страница 13: ...is V two decimal places Setting range 110 500V Notice action value of voltage upper limit must be greater than voltage lower limit Can be set to 0 0 indicates that the alarm type is closed Action valu...

Страница 14: ...at the alarm type is closed Action value of frequency lower limit Unit is Hz two decimal places range 45 65Hz Notice action value of frequency lower limit must be less than frequency upper limit Can b...

Страница 15: ...adjustment press the keys to enter the phase sequence Adjust interface figure as below the user can adjust the current channel phase sequence and direction which corresponding to voltage in accordance...

Страница 16: ...er Demo setting interface figure as below OK indicate open Demo mode NO indicate close Demo mode COM ALARM 9 11 DI oo Demo NO Password Demo SPM33 10 Password press key to enter Password modification i...

Страница 17: ...d power factor are only the sum of the value and there is no concept of a single phase single phase value is 0 3 For the instrument which do not support the relay output function will not have the rel...

Страница 18: ...ding Measuring range current Each phase 0 65 000A Zero sequence 0 65 000A Degree of unbalance 0 100 voltage Line line 0 650V Line neutral line 0 400V Degree of unbalance 0 100 Active power Reactive po...

Страница 19: ...ust be conducted by CT to measure current CT secondary rated output required to meet the input requirements of SPM33 rated current 5A or 1A When using an external CT wiring should prevent open otherwi...

Страница 20: ...el If phase A default phase then take the C phase If A C phase default phase then take the B phase 5 2 Demand Parameters Demand refers to the value obtained in the following way the accumulated electr...

Страница 21: ...se Maximum peak of three phase total 0 26MW 0 78MW Reactive power Every phase Three phase total 0 26MVAR 0 78MVAR Maximum peak of every phase Maximum peak of three phase total 0 26MVAR 0 78MVAR Appare...

Страница 22: ...centage of fundamental harmonics and have one digit after the decimal point That is to say when the value of the fundamental harmonic is fixed at 1000 it is 100 0 of the effective value of the fundame...

Страница 23: ...m Setpoint SPM33 with user definable valued system which can monitor the electrical parameters of the instrument and set the action When an alarm event occurs the instrument panel ALARM light will fla...

Страница 24: ...voltage is phase voltage three phase three wire voltage is the line voltage the action value 0 indicates to close the alarm object the upper limit of current The Max primary current value in three pha...

Страница 25: ...turn on or off Status 1 open Status 1 from the closed to the open The alarm can be set to turn on or off 5 6 1 Alarm action condition SPM33 generated alarm condition the setting object meet the actio...

Страница 26: ...rs the ALARM light will be off the alarm interface will be displayed no at this time if the alarm associated relays the relay will be reset 6 Input output Characteristics 6 1 Relay output SPM33 provid...

Страница 27: ...as Alarm mode Alarm Subject including All Voltage Current Frequency Total active power Voltage Phase lose or DI 1 off etc Once the relay has been in the remote control mode even if the alarms generate...

Страница 28: ...ition signals and other status information SPM33 provides active status node which need an external power source The following 2 way status input as example to introduce this wiring mode External acti...

Страница 29: ...lue to Grid area register 40052 40063 on the display will show Grid And the value also will add to register 40026 40037 If DI 1 with status of OFF add total energy value to Generator area register 400...

Страница 30: ...ameters voltage 10 150 0 5 current 1 120 0 5 Power factor 1 1 1 Active energy 0 99999999 9 0 5 Reactive energy 0 99999999 9 2 Active power Single phase 0 26MW var VA Total 0 78MW var VA 0 5 Reactive p...

Страница 31: ...ss 4 Surge immunity test GB T17626 5 2008 IEC61000 4 5 2005 Class 4 RF field immunity induced mass GB T17626 6 2008 IEC61000 4 6 2006 Class 3 Radiated emissions limit GB 9254 2008 CISPR22 2006 Accord...

Страница 32: ...f the SPM33 MODBUS communications protocol is to allow setup information and measured data to be efficiently transferred between a MODBUS Master Station and SPM33 It includes 1 Allowing setting and re...

Страница 33: ...ring devices 2 The MASTER will initiate and control all information transfer on the RS 485 communications loop 3 Under no circumstances will a SLAVE device initiate a communications sequence 4 All com...

Страница 34: ...ructure Every MODBUS packet consists of four fields 1 The Address Field 2 The Function Field 3 The Data Field 4 The Error Check field z Address Field The address field is 1 byte long and identifies wh...

Страница 35: ...Registers Obtains the current value in one or more holding registers of the SPM33 0x05 Relay control Write 0xFF00 to close ON the relay Write 0x0000 to open OFF the relay 0x10 Preset Multiple Register...

Страница 36: ...n upon the reception of a packet If the result does not match the checksum stored in the packet transmission errors have occurred and the packet will be ignored by the receiving device For detail of C...

Страница 37: ...the slave device receive an illegal function code or the SPM33 receive the error command 02 illegal function code SPM33 receive the address referenced in the data field is an invalid address 03 illeg...

Страница 38: ...4 will describe Preset Multiple Registers packet and the acknowledge packet 8 3 1 Read the Relay Output Status Function Code 01H Use 01 command to read the relay status Relays are addressed starting...

Страница 39: ...Packet Master SPM33 Response Packet SPM33 Master Unit ID Slave address 1 byte Unit ID Slave address 1 byte 01H Function Code 1 byte 01H Function Code 1 byte Starting address 2 bytes Byte num N 1 byte...

Страница 40: ...Request Packet Master SPM33 Response Packet SPM33 Master Unit ID Slave address 1 byte Unit ID Slave address 1 byte 03 H Function Code 1 byte 03 H Function Code 1 byte Start register address 2 bytes By...

Страница 41: ...0x0000 request the relay to be OFF Request Packet Master SPM33 Response Packet SPM33 Master Unit ID Slave address 1 byte Unit ID Slave address 1 byte 05 H Function Code 1 byte 05 H Function Code 1 by...

Страница 42: ...te 10 H Function Code 1 byte Start register address 2 bytes Start register address 2 bytes Register num 2 bytes Register num 2 bytes Byte num 2 register num 1 byte CRC check code 2 bytes First registe...

Страница 43: ...g the CRC all arithmetic operations additions and subtractions are performed using MODULO TWO or EXCLUSIVE OR operation Steps for the Generating the CRC 16 Checksum 1 Form a new polynomial by dropping...

Страница 44: ...packet have been calculate by XOR 9 The content of the 16 bit register is CRC 16 Procedure for Calculating the 6403 Bytes of 16 Hex Step Byte Action Register Bit Shift 2 Initial Value 1111 1111 1111...

Страница 45: ...IFT 1 bit to the right 0000 1011 1011 1111 8 1 5a SHIFT 1 bit to the right 1010 1011 1011 1110 2 Load the second byte 0000 0000 0000 0011 7 XOR 1010 1011 1011 1101 4 SHIFT 1 bit to the right 0101 0101...

Страница 46: ...bit to the right 0100 1011 0101 1101 5 0 4 SHIFT 1 bit to the right 0010 0101 1010 1110 6 1 5a XOR polynomial 1000 0101 1010 1111 4 SHIFT 1 bit to the right 0100 0010 1101 0111 7 1 5a XOR polynomial 1...

Страница 47: ...eads register xxxx 1 from the slave SPM33 For example register 40011 corresponds to register 10 8 6 Description of Data Types UINT16 Unsigned 16 digit integer INT16 Signed 16 digit integer LUINT32 Uns...

Страница 48: ...se C voltage 40004 RO Line AB voltage UINT16 Secondary side L L voltage Calculation factor 0 01 unit V 40005 RO Line BC voltage 40006 RO Line CA voltage 40007 RO Phase A current UINT16 Secondary Side...

Страница 49: ...ply by CT ratio 40014 RO Total reactive power high word 40015 RO Total power factor INT16 Calculation factor 0 001 40016 RO Phase A active power INT16 Secondary side active power Calculation factor 0...

Страница 50: ...Only when it is 3 phase 4 wires connection mode can the value valid 40023 RO Phase B power factor 40024 RO Phase C power factor 40025 RO Frequency UNIT16 Calculation factor 0 01 unit Hz 40026 RO Total...

Страница 51: ...1 unit kWh Range 0 99 999 999 9 40033 Output active energy high word 40034 RO Input reactive energy low word LUINT3 2 Calculation factor 0 1 unit kvarh Range 0 99 999 999 9 40035 Input reactive energy...

Страница 52: ...rm 0 means no alarm Bit 1 over voltage Bit 2 under voltage Bit 3 over current Bit 4 under current Bit 5 Frequency too high Bit 6 Frequency too low Bit 7 over load Bit 8 phase loss Bit 9 Status 1 off 4...

Страница 53: ...t power UINT16 Calculation factor 0 1 unit VA 40048 RO Phase B apparent power 40049 RO Phase C apparent power 40050 RO Total apparent power low word LUINT3 2 40051 Total apparent power high word 40052...

Страница 54: ...8 RO Grid Input Reactive Power Primary measurement Power calculator factor 0 1 unit kvarh First is low byte second is high byte Range 0 99 999 999 9 40059 40060 RO Grid Output Reactive Power Primary m...

Страница 55: ...1 unit kWh First is low byte second is high byte Range 0 99 999 999 9 40067 40068 RO Generator total Active Power Primary measurement Power calculator factor 0 1 unit kWh First is low byte second is...

Страница 56: ...999 999 9 40074 RO Generator total Reactive Power Primary measurement Power calculator factor 0 1 unit kvarh First is low byte second is high byte Range 0 99 999 999 9 40075 40076 RO Ferroelectric fau...

Страница 57: ...e power demand UINT16 Calculation factor 0 1 unit W 40705 RO Phase B active power demand 40706 RO Phase C active power demand 40707 RO Total active power demand low word LINT32 Calculation factor 0 1...

Страница 58: ...r demand high word 40717 RO Phase A reactive power demand 10 times unit var 40718 RO Phase B reactive power demand 10 times unit var 40719 RO Phase C reactive power demand 10 times unit var 40720 RO T...

Страница 59: ...40729 RO Phase C reactive power Maximum demand 10 times unit var 40730 RO Total reactive power Maximum demand 10 times unit var 40731 40732 RO Phase A apparent power Maximum demand 10 times unit VA 40...

Страница 60: ...type Description 40801 RO Va THD UINT16 Calculation factor 0 001 40802 RO Vb THD 40803 RO Vc THD 40804 RO Ia THD UINT16 Calculation factor 0 001 40805 RO Ib THD 40806 RO Ic THD 40807 RO 2nd harmonic...

Страница 61: ...t of Vb 40839 40865 RO 40866 RO 31st harmonic component of Vb 40867 RO 2nd harmonic component of Vc UINT16 Calculation factor 0 001 Unit 40868 RO 3rd harmonic component of Vc 40869 40895 RO 40896 RO 3...

Страница 62: ...8 RO 3rd harmonic component of Ib 40929 40955 RO 40956 RO 31st harmonic component of Ib 40957 RO 2nd harmonic component of Ic UINT16 Calculation factor 0 001 Unit 40958 RO 3rd harmonic component of Ic...

Страница 63: ...W Communication Address 1 247 40202 RW CT ratio 1 10000 40203 RW Connection mode 0 1 0 3 phase 4 wire 1 3 phase 3 wire 40204 RO Reserved Read only 40205 RO Reserved Read only 40206 RW Baud rate 0 1 0...

Страница 64: ...0x8002 means 2nd reverse current 0x8003 means 3rd reverse current 40211 RW Current Channel of 2nd Voltage mapping Default 2 2nd forward current 1 means 1st forward current 2 means 2nd forward current...

Страница 65: ...eans 3rd reverse current 40213 RW Working status of relay 1 0 1 default 0 remote 0 means remote control 1 means auto alarm 40214 RW Return time of relay 1 Default 0 0 120 s 0 means blocking 40215 RW W...

Страница 66: ...oltage upper limit 0 120s 40223 RW Operation value of voltage lower limit Calculation factor 0 01 Unit V 0 means closed For 110V 500V default 0 40224 RW Action time of voltage lower limit 0 120s 40225...

Страница 67: ...rent Calculation factor 0 1 Unit A 0 means closed 1 0A 60000 0A 40229 Operation value of current lower limit high word 40230 RW Action time of voltage lower limit 0 120s 40231 RW Operation value of fr...

Страница 68: ...40235 RW Operation value of active power upper limit low word Primary side value Calculation factor 0 1 Unit kW 0 1 40000 0kW 40236 Operation value of active power upper limit high word 40237 RW Actio...

Страница 69: ...t higher than lower limit 8 6 5 Register for command and clear energy Register address Read write attribute Data type Definition Description 40252 WO U16 Clear Maximum value of demand Write 888 40253...

Страница 70: ...ice information registers Register address Read write attribute Definition Description 49001 RW Device No 49002 49003 WO Recover user system Write 888 49004 WO Recover factory setting Write 888 49005...

Страница 71: ...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 th...

Страница 72: ...erminals of the same name are wrong The digital input status no changing The voltage relating to digital input is not correct Check if the types of external nodes match the rated parameters of the met...

Страница 73: ...link has not been connected to the terminal resistor Check if the 120 Ohm resistor has been connected The communication link suffers interference Check if the communication shielding layer has been e...

Страница 74: ...utput 1 9 RLN1 Relay 1 Output 2 10 RL2 Relay 2 Output 1 11 RLN2 Relay 2 Output 2 12 RS485 485 positive pole 13 RS485 485 positive pole 14 SHLD RS485 shield 15 VA phase A voltage 16 VB phase B voltage...

Страница 75: ...M33 supports multiple connection modes of measurement the following methods were used icons explained A B C N A B C Vector of three phase four wire system Vector of three phase three wire system three...

Страница 76: ...three phase three wire system 3CT three phase three wire system 2CT 71...

Страница 77: ...SPM33 typical wiring diagrams comprehensive electrical parameters measuring under three phase four wire mode with digital status inputs and one RS485 communication function 72...

Страница 78: ...rovement z Technical Consulting 86 15916202620 z After sale Services 86 15916202800 z Email pilot006 pmac com cn Zhuhai Pilot Technology Co Ltd Add No 15 Keji 6 Road Chuangxin Haian Tangjia High tech...

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