ICP DAS USA PM-4324P-MTCP CR User Manual
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ICP DAS USA PM-4324P-MTCP CR User Manual

Smart power meter
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PM-4324 User's Manual v1.05
Last Revised: Apr. 2024
Page: 1
 E-mail: service@icpdas.com
Copyright © ICP DAS Co., Ltd. All Rights Reserved.
www.icpdas.com

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  • Page 1 PM-4324 User’s Manual v1.05 Last Revised: Apr. 2024 Page: 1  E-mail: service@icpdas.com Copyright © ICP DAS Co., Ltd. All Rights Reserved. www.icpdas.com...
  • Page 2 Revision History The table below shows the revision history: Revision Date Description  1.05 2024/04/25 Fix the Integer type value rage of kVAh,kVARh  Fix the Bi_xxx_kWh modbus address number  Change the Display Voltage definition “automatic” to “default” PM-4324 User’s Manual v1.05 Last Revised: Apr.

  • Page 3: Table Of Contents

    Chapter 1 Introduction ........5 Chapter 4 Wiring Diagrams ......15 1.1. PM-4324 introduction ..5 4.1. Connection ...... 15 1.2. Caution ......6 4.2. Wiring ......17 1.2.1. Danger ......6 Chapter 5 Relay output & LED Indicator ..19 1.3.
  • Page 4 8.2.3 NMT Introduction ..... 64 Chapter 8 CANopen communication ..... 49 8.2.3.1 Module Control Protocol .. 64 CANopen setting ..... 49 8.2.3.2 Error Control Protocol ..66 CANopen Protocol ..51 8.2.4 Special Functions for 8.2.1 SDO Introduction .... 52 PM-4324-CPS ....

  • Page 5: Chapter 1 Introduction

    Chapter 1 Introduction 1.1. PM-4324 introduction ICP DAS offers PM-4324 family in a full range of Single-phase and Three-phase smart power meters for power monitoring. The products offer a rich feature set combined with easy-to-integrate communications. With its high accuracy (<0.5%, PF=1), the PM-4324 series products can be applied both on low voltage primary side and/or medium/high voltage secondary side and enable the users to obtain in real time the reliable and accurate energy consumption readings from the monitored equipments while in operation.

  • Page 6: Caution

    1.2. Caution 1.2.1. Danger The meter contains hazardous voltages, and should never be disassembled. Failing to follow this practice will result in serious injury or death. Any work on or near energized meters, meter sockets, or other metering equipment could induce a danger of electrical shock.

  • Page 7: Limitation Of Warranty

    1.4.1. Limitation of Warranty This warranty does not apply to defects resulting from unauthorized modification, misuse, or use for reason other than electrical power monitoring. The supplied meter is not a user-serviceable product. PM-4324 User’s Manual v1.05 Last Revised: Apr. 2024 Page: 7 ...

  • Page 8: Chapter 2 Specifications

    Chapter 2 Specifications 2.1. Specifications Model PM-4324 PM-4324-MTCP PM-4324-CPS AC Power Measurement Wiring 1P2W-1CT, 1P3W-2CT, 3P3W-2CT, 3P3W-3CT and 3P4W-3CT Measurement Voltage 10 ~ 500 V (CAT III) CTØ 10 mm (0.05 A~60 A); CTØ 16 mm (0.1 A~100 A); Measurement Current CTØ...
  • Page 9 Aux Power Input Range +100 ~ +240 VAC +100 ~ +240 VAC +100 ~ +240 VAC Power Consumption Dimensions (W x L x H) 237 mm x 52 mm x 134 mm Environment Operating Temperature -20 ~ +70 °C Storage Temperature -25 ~ +80 °C Field Wiring Terminal Markings: 3.81mm (For Measurement Current and Communication): Use Copper Conductors Only,...

  • Page 10: Naming Rules

    2.2. Naming Rules PM-4324 User’s Manual v1.05 Last Revised: Apr. 2024 Page: 10  E-mail: service@icpdas.com Copyright © ICP DAS Co., Ltd. All Rights Reserved. www.icpdas.com...

  • Page 11: Chapter 3 Installation

    Chapter 3 Installation 3.1. Inspection The instrument is no longer safe when, a) Shows clear signs of damage b) Does not work c) Long storage under extreme conditions d) Damage during shipment 3.2. Safety Please use the soft dry clothes to clean the instrument. Please do not use any chemical or detergent or volatile solvents to clean the instrument, in order to avoid any possibility of the cover damage.
  • Page 12  Products come with external split type clip-on CT’s. Disconnect the CT’s or use other CT’s is highly prohibited.  Please read this operation manual carefully before using.  Please re-confirm the measure position.  PM-4324 series can be installed as rail mounting mode or embedded, no need to drill a hole or screw to fix it (rail mounting width can up to the length of 35 mm).

  • Page 13: Mounting And Dismounting

    3.2.2. Mounting and Dismounting  Mounting Assembly: Place the PM-4324 on the DIN-Rail. Push the front of the PM-4324 toward the mounting surface until it audibly snaps into place. Dismantling: Pull out the latch and then remove the PM-4324 from the DIN-Rail ...

  • Page 14: Ct's Installation Steps

    3.2.3. CT’s installation steps  At the bottom of the CT, there is a “K→L” mark.  Open the CT clip.  Make sure the power current  Installation steps finished. direction follow the “K→L” mark on the CT and then close the CT clip. PM-4324 User’s Manual v1.05 Last Revised: Apr.

  • Page 15: Chapter 4 Wiring Diagrams

    Chapter 4 Wiring Diagrams 4.1. Connection Please firstly check the current input terminal, and then in white black, white black, white black wire sequences (CT1-K, CT1-L, CT2-K, CT2-L, CT3-K, CT3-L). Then connect the CT’s, and close the CT clip. Make sure the arrow direction sign on CT’s follows current flow direction（K→L）...
  • Page 16 Voltage Input 1. PM-4324 series: Input Voltage up to 500V. For any higher Input Voltage large than 500V, please add the PT (power transformer), and Change PT RATIO setup. 2. Confirm the RST (ABC) phase sequence. Current Input 1. The external CT’s are fragile, please handle with care. 2.

  • Page 17: Wiring

    4.2. Wiring  1P2W-1CT (PM-4324)  1P3W-2CT (PM-4324)  3P3W-2CT (PM-4324) PM-4324 User’s Manual v1.05 Last Revised: Apr. 2024 Page: 17  E-mail: service@icpdas.com Copyright © ICP DAS Co., Ltd. All Rights Reserved. www.icpdas.com...
  • Page 18  3P3W-3CT (PM-4324) DIP switch: Wiring mode SW 9 SW 10 3P3W-3CT  3P4W-3CT (PM-4324) DIP switch: Wiring mode SW 9 SW 10 3P4W-3CT PM-4324 User’s Manual v1.05 Last Revised: Apr. 2024 Page: 18  E-mail: service@icpdas.com Copyright © ICP DAS Co., Ltd. All Rights Reserved. www.icpdas.com...

  • Page 19: Chapter 5 Relay Output & Led Indicator

    Chapter 5 Relay output & LED Indicator 5.1. Relay Relay type Power Relay, Form A (SPST N.O.) Operating Voltage Range 250 VAC/30 VDC Max. Load Current 5 A at 25 °C Operate Time 6 ms Release Time 3 ms 5.2. LED Indicator The PM-4324 has 4 LED to indicate the unit power status, RS-485 communication, and power data calculation.

  • Page 20: Chapter 6 Modbus-Rtu Communication

    Chapter 6 Modbus-RTU communication 6.1. RS-485 setting  Default setting for RS-485: 19200, n, 8, 1  DIP switch (SW1-SW6) is used for Modbus address setting, default is 1, i.e. all OFF For example: Modbus address is 10，find the table of DIP switch 1-6 is ON, OFF, OFF, ON, OFF, OFF 6.1.1 SW1－SW6 setting Setting Modbus-RTU address for communication (1-64)
  • Page 21 PM-4324 User’s Manual v1.05 Last Revised: Apr. 2024 Page: 21  E-mail: service@icpdas.com Copyright © ICP DAS Co., Ltd. All Rights Reserved. www.icpdas.com...
  • Page 22  SW7－SW8 setting PM-4324：For Baud Rate Setting Baud Rate SW 7 9600 bps 19200 bps (Default) 38400 bps 115200 bps Add the Bias Resistor on RS-485 Network for stable signal The RS-485 master is required to provide the bias for PM-4324 series. Otherwise, the tM-SG4 or SG-785 should be added to provide the bias.

  • Page 23: Modbus-Rtu Setting

    6.2 Modbus-RTU setting 6.2.1 Specifications Protocol Modbus-RTU Transmission Bits per Byte： Specifications 1 start bit 8 data bits, least significant bit sent first None Parity 1 stop bits Error Check： Cyclical Redundancy Check (CRC) Baud Rate 9600, 19200 (Default), 38400, 115200 Modbus slave address 1-64 (Default = 1) ...
  • Page 24 IEEE 754 Format Definition of the floating format of the Bits Data Hi Word， Data Hi Word， Data Lo Word， Data Lo Word， Hi Byte Lo Byte Hi Byte Lo Byte SEEE EEEE EMMM MMMM MMMM MMMM MMMM MMMM E - 127 Value = (- 1) x (1.M) x 2 0 <...

  • Page 25: Modbus Register

    6.2.2 Modbus Register  Modbus Module #1 – Coil: Relay Value Modbus Register Data Default Parameter name Range Comment Modicom value Type Format 0 = OFF DO 0 04097 0x1000 Word Byte 1 = ON 0 = OFF DO 1 04098 0x1001 Word...
  • Page 26 1: 1P2W 2: 1P3W Only work when Wiring Mode 44107 0x100A Word UInt 3: 3P3W2CT SW9-SW10 is all 4: 3P3W3CT 5: 3P4W3CT 1: submeter1 2: submeter2 3: submeter3 4: submeter4 Set Energy to Zero 44108 0x100B Word UInt 5: submeter5 Only Write 6: submeter6 7: submeter7...
  • Page 27 0: Disable Harmonic Phase 1: Phase A For Submeter3 44116 0x1013 Word UInt Select 3 2: Phase B 3: Phase C 0: Disable Harmonic Phase 1: Phase A 44117 0x1014 Word UInt For Submeter4 Select 4 2: Phase B 3: Phase C 0: Disable Harmonic Phase 1: Phase A...
  • Page 28  Modbus Module #3 － Input Register : System Information Modbus Register Data Default Parameter name Range Units Comment Modicom Type value Format 9: 1P2W 10: 1P3W 11: 3P3W2CT 12: 3P3W3CT (HW)：set 13: 3P4W3CT wiring by 14: 3P3W2CT Wiring Type 30513 0x0200 Word...
  • Page 29  Modbus Module #4 － Input Register :Power value (Float) for Submeter1 Modbus Register Parameter Data Type Range Units Comment name Modicom Format 0x1100- 0x1101 34353-34354 DWord Float Volt 34355- 34356 0x1102- 0x1103 DWord Float 34357- 34358 0x1104- 0x1105 DWord Float kW_a 34359- 34360...
  • Page 30 34417-34418 0x1140-0x1141 PF_tot DWord Float 34419-34420 0x1142-0x1143 kWh_tot DWord Float 34421-34422 0x1144-0x1145 kvarh_tot DWord Float 34423-34424 0x1146-0x1147 kVAh_tot DWord Float 34425-34426 0x1148-0x1149 Freq_a DWord Float 45~65 For CT_1 34427-34428 0x114A-0x114B Freq_b DWord Float 45~65 For CT_2 34429-34430 0x114C-0x114D Freq_c DWord Float 45~65 For CT_3...
  • Page 31  Modbus Module #5 － Input Register :Power value (Float) for Submeter2 Modbus Register Parameter Data Type Range Units Comment name Modicom Format 0x1200- 0x1201 34609-34610 DWord Float Volt 34611- 34612 0x1202- 0x1203 DWord Float 34613- 34614 0x1204- 0x1205 DWord Float kW_a 34615- 34616...
  • Page 32 34673-34674 0x1240-0x1241 PF_tot DWord Float 34675-34676 0x1242-0x1243 kWh_tot DWord Float 34677-34678 0x1244-0x1245 kvarh_tot DWord Float 34679-34680 0x1246-0x1247 kVAh_tot DWord Float 34681-34682 0x1248-0x1249 Freq_a DWord Float 45~65 For CT_4 34683-34684 0x124A-0x124B Freq_b DWord Float 45~65 For CT_5 34685-34686 0x124C-0x124D Freq_c DWord Float 45~65 For CT_6...
  • Page 33  Modbus Module #6 － Input Register :Power value (Float) for Submeter3 Modbus Register Parameter Data Type Range Units Comment name Modicom Format 0x1300- 0x1301 34865-34866 DWord Float Volt 34867- 34868 0x1302- 0x1303 DWord Float 34869- 34870 0x1304- 0x1305 DWord Float kW_a 34871- 34872...
  • Page 34 34929-34930 0x1340-0x1341 PF_tot DWord Float 34931-34932 0x1342-0x1343 kWh_tot DWord Float 34933-34934 0x1344-0x1345 kvarh_tot DWord Float 34935-34936 0x1346-0x1347 kVAh_tot DWord Float 34937-34938 0x1348-0x1349 Freq_a DWord Float 45~65 For CT_7 34939-34940 0x134A-0x134B Freq_b DWord Float 45~65 For CT_8 34941-34942 0x134C-0x134D Freq_c DWord Float 45~65 For CT_9...
  • Page 35  Modbus Module #7 － Input Register :Power value (Float) for Submeter4 Modbus Register Parameter Data Type Range Units Comment name Modicom Format 0x1400- 0x1401 35121-35122 DWord Float Volt 35123-35124 0x1402- 0x1403 DWord Float 0x1404- 0x1405 35125-35126 DWord Float kW_a 35127-35128 0x1406- 0x1407 kvar_a...
  • Page 36 35185-35186 0x1440-0x1441 PF_tot DWord Float 35187-35188 0x1442-0x1443 kWh_tot DWord Float 35189-35190 0x1444-0x1445 kvarh_tot DWord Float 35191-35192 0x1446-0x1447 kVAh_tot DWord Float 35193-35194 0x1448-0x1449 Freq_a DWord Float 45~65 For CT_10 35195-35196 0x144A-0x144B Freq_b DWord Float 45~65 For CT_11 35197-35198 0x144C-0x144D Freq_c DWord Float 45~65 For CT_12...
  • Page 37  Modbus Module #8 － Input Register :Power value (Float) for Submeter5 Modbus Register Parameter Data Type Range Units Comment name Modicom Format 0x1500- 0x1501 35377-35378 DWord Float Volt 35379-35380 0x1502- 0x1503 DWord Float 0x1504- 0x1505 35381-35382 DWord Float kW_a 35383-35384 0x1506- 0x1507 kvar_a...
  • Page 38 35441-35442 0x1540-0x1541 PF_tot DWord Float 35443-35444 0x1542-0x1543 kWh_tot DWord Float 35445-35446 0x1544-0x1545 kvarh_tot DWord Float 35447-35448 0x1546-0x1547 kVAh_tot DWord Float 35449-35450 0x1548-0x1549 Freq_a DWord Float 45~65 For CT_13 35451-35452 0x154A-0x154B Freq_b DWord Float 45~65 For CT_14 35453-35454 0x154C-0x154D Freq_c DWord Float 45~65 For CT_15...
  • Page 39  Modbus Module #9 － Input Register :Power value (Float) for Submeter6 Modbus Register Parameter Data Type Range Units Comment name Modicom Format 0x1600- 0x1601 35633-35634 DWord Float Volt 35635-35636 0x1602- 0x1603 DWord Float 0x1604- 0x1605 35637-35638 DWord Float kW_a 35639-35640 0x1606- 0x1607 kvar_a...
  • Page 40 35697-35698 0x1640-0x1641 PF_tot DWord Float 35699-35700 0x1642-0x1643 kWh_tot DWord Float 35701-35702 0x1644-0x1645 kvarh_tot DWord Float 35703-35704 0x1646-0x1647 kVAh_tot DWord Float 35705-35706 0x1648-0x1649 Freq_a DWord Float 45~65 For CT_16 35707-35708 0x164A-0x164B Freq_b DWord Float 45~65 For CT_17 35709-35710 0x164C-0x164D Freq_c DWord Float 45~65 For CT_18...
  • Page 41  Modbus Module #10 － Input Register :Power value (Float) for Submeter7 Modbus Register Parameter Data Type Range Units Comment name Modicom Format 0x1700- 0x1701 35889-35890 DWord Float Volt 35891-35892 0x1702- 0x1703 DWord Float 0x1704- 0x1705 35893-35894 DWord Float kW_a 35895-35896 0x1706- 0x1707 kvar_a...
  • Page 42 35953-35954 0x1740-0x1741 PF_tot DWord Float 35955-35956 0x1742-0x1743 kWh_tot DWord Float 35957-35958 0x1744-0x1745 kvarh_tot DWord Float 35959-35960 0x1746-0x1747 kVAh_tot DWord Float 35961-35962 0x1748-0x1749 Freq_a DWord Float 45~65 For CT_19 35963-35964 0x174A-0x174B Freq_b DWord Float 45~65 For CT_20 35965-35966 0x174C-0x174D Freq_c DWord Float 45~65 For CT_21...
  • Page 43  Modbus Module #11 － Input Register :Power value (Float) for Submeter8 Modbus Register Parameter Data Type Range Units Comment name Modicom Format 0x1800- 0x1801 36145-36146 DWord Float Volt 36147-36148 0x1802- 0x1803 DWord Float 0x1804- 0x1805 36149-36150 DWord Float kW_a 36151-36152 0x1806- 0x1807 kvar_a...
  • Page 44 36209-36210 0x1840-0x1841 PF_tot DWord Float 36211-36212 0x1842-0x1843 kWh_tot DWord Float 36213-36214 0x1844-0x1845 kvarh_tot DWord Float 36215-36216 0x1846-0x1847 kVAh_tot DWord Float 36217-36218 0x1848-0x1849 Freq_a DWord Float 45~65 For CT_22 36219-36220 0x184A-0x184B Freq_b DWord Float 45~65 For CT_23 36221-36222 0x184C-0x184D Freq_c DWord Float 45~65 For CT_24...

  • Page 45: Chapter 7 Modbus-Tcp Communication

    Chapter 7 Modbus-TCP Communication 7.1 Default settings Ethernet default settings： IP Address 192.168.255.1 Subnet mask 255.255.0.0 Gateway 192.168.0.1 Port For recovering to default settings, dip Init/Run Switch (SW 7) to ON position for 10 seconds after power on, the settings will be changed as default values. Must dip back to OFF position and repower on after settings changed.

  • Page 46: Ethernet Configurations

    7.1.1 Ethernet configurations In the Power Meter Utility, please select “Modbus TCP” in the Communication Interface. Click “Search” to enter the “Communication Interface Setting” window. Click ”Search” button to search the available power meter. PM-4324 User’s Manual v1.05 Last Revised: Apr. 2024 Page: 46 ...
  • Page 47 Select the power meter which you want to modify parameters from the meter list, then click ”Configuration” button to setup the meter parameters. After complete all setting, click “OK”, and return to the meter list windows. PM-4324 User’s Manual v1.05 Last Revised: Apr.

  • Page 48: Specifications

    7.2 Specifications Modbus-TCP structure Byte 00~05 Byte 06~11 6-byte header RTU Data Modbus-TCP( Byte 00~05) Byte 00 Byte 01 Byte 02 Byte 03 Byte 04 Byte 05 Transaction identifier Protocol identifier Data length Data length upper byte lower byte Transaction identifier = Assign by Modbus/TCP Master (Client) Protocol identifier = 0 Data length (upper byte) = 0 Data length (lower byte) = Depend on the number of the RTU Data bytes...
  • Page 49 Chapter 8 CANopen communication 8.1 CANopen setting  Default setting for CANopen: Baud rate:125 K b.p.s. , Node ID:1  DIP switch (SW1-SW6) is used for Node ID setting, default is 1, i.e. all OFF For example: Node ID is 10，find the table of DIP switch 1-6 is ON, OFF, OFF, ON, OFF, OFF SW1－SW6 setting ...
  • Page 50 PM-4324 User’s Manual v1.05 Last Revised: Apr. 2024 Page: 50  E-mail: service@icpdas.com Copyright © ICP DAS Co., Ltd. All Rights Reserved. www.icpdas.com...
  • Page 51  SW7－SW8 setting PM-4324-CPS：For CANopen Baud Rate Setting Baud Rate SW 7 125 K bps(Default) 250 K bps 500 K bps 1M bps  SW9－SW10 setting PM-4324-CPS：Select the different wiring mode (Please select the Software setting, if 1P2W-1CT or 1P3W-2CT is used) Wiring SW 9 SW 10...
  • Page 52 8.2.1 SDO Introduction 8.2.1.1 Upload SDO Protocol Initiate SDO Upload Protocol Before transferring the SDO segments, the client and server need to communicate with each other by using the initiate SDO upload protocol. Via the initiate SDO upload protocol, the SDO client will inform the SDO server what object the SDO client wants to request.
  • Page 53 0: normal transfer 1: expedited transfer If the e=1, it means that the data of the object are equal or less than 4 bytes, and only initiate SDO upload protocol is needed. If e=0, the upload SDO segment protocol is necessary. s: size indicator 0: Data set size is not indicated.
  • Page 54 ccs: client command specified 3: upload segment request scs: server command specified 0: upload segment response t: toggle bit. This bit must alternate for each subsequence segment that is uploaded. The first segment will have the toggle bit set to 0. The toggle bit will be equal for the request and response message.
  • Page 55 ccs: client command specified 1: initiate download request scs: server command specified 3: initiate download response n: Only valid if e = 1 and s = 1, otherwise 0. If valid, it indicates the number of bytes in d that do not contain data. Bytes [8-n, 7] do not contain segment data.
  • Page 56 Download Segment Protocol ccs: client command specified 0: download segment request scs: server command specified 1: download segment response seg-data: It is at most 7 bytes of segment data to be downloaded. The encoding depends on the type of the data referenced by index and sub-index. n: It indicates the number of bytes in seg-data that do not contain segment data.
  • Page 57 8.2.1.3 Abort SDO Transfer Protocol In some conditions, the SDO client or SDO server will terminate the SDO transmission. For example, the value of entries that users want to modify does not exist or is read-only, even users wouldn’t continue the uncompleted SDO protocol under some special situations.
  • Page 58 Abort Code Description 0503 0000h Toggle bit not alternated. 0504 0000h SDO protocol timed out. 0504 0001h Client/server command specified not valid or unknown. 0504 0002h Invalid block size (block mode only). 0504 0003h Invalid sequence number (block mode only). 0504 0004h CRC error (block mode only).
  • Page 59 generation fails because of an file error). PM-4324 User’s Manual v1.05 Last Revised: Apr. 2024 Page: 59  E-mail: service@icpdas.com Copyright © ICP DAS Co., Ltd. All Rights Reserved. www.icpdas.com...
  • Page 60 8.2.2 PDO Introduction 8.2.2.1 PDO COB-ID Parameters Before the real-time data are transmitted by the PDO, it is necessary to check the COB-ID parameter of this PDO in the PDO communication objects. This parameter setting controls the COB-ID of the PDO communication, which is in 32 bits, and each bit with its meaning is given in the table follow.
  • Page 61 Note: 1. Users can also define the PDO COB-ID by themselves. Actually, all COB-ID can be defined by users except the reserved COB-ID described in the table of the section 3.1. It is important to avoid the conflict with the defined COB-ID used in the same node.
  • Page 62 The PDO, including the DI value, will be sent when the DI value is changed. And both transmission types will directly trigger an update of the mapped data when receiving the RxPDO. 8.2.2.3 PDO Communication Rule The PDO related objects are indicated from index 0x1400 to 0x1BFF. For the PM-4324-CPS, RxPDO communication objects are not used.
  • Page 63 COB-ID: the default PDO COB-ID, or the PDO COB-ID defined by users L: the data length about how many bytes the PDO message has PDO-msg: the real-time data or the data which can be mapped into the PDO mapping objects PM-4324 User’s Manual v1.05 Last Revised: Apr.
  • Page 64 8.2.3 NMT Introduction 8.2.3.1 Module Control Protocol The NMT communication set can be applied for changing the NMT slave status. The following figure shows how to change the different NMT statuses for the PM-4324-CPS. Start Remote Node Protocol cs: NMT command specified 1: start Node ID: the node ID of the NMT slave device Stop Remote Node Protocol...
  • Page 65 Enter Pre-Operational Protocol cs: NMT command specified 128: enter PRE-OPERATIONAL Node ID: the node ID of the NMT slave device Reset Node Protocol cs : NMT command specified 129: Reset_Node Node ID : the node ID of the NMT slave device PM-4324 User’s Manual v1.05 Last Revised: Apr.
  • Page 66 Reset Communication Protocol cs: NMT command specified 130: Reset_Communication Node ID: the node ID of the NMT slave device 8.2.3.2 Error Control Protocol Error Control Protocol is a kind of the solution to check whether the CANopen device is still alive or not. And its related objects include 0x100C and 0x100D. The 0x100C is the guard time, and the 0x100D is the life time factor.
  • Page 67 s: the state of the NMT Slave 4: STOPPED 5: OPERATIONAL 127: PRE_OPERATIONAL 8.2.4 Special Functions for PM-4324-CPS 8.2.4.1 Power Meter Data Table The PM-4324-CPS Manufacturer in the Specific Profile Area defines some entries, which are used for the power meter data. The objects with index 0x3200~0x3203 will map to the PDOs as below table.
  • Page 68 No.(PDO) COB-ID Data D0~D3 D4~D7 Length kW(Kw_a)_CT16 kWh_a_CT16 kW(Kw_b)_CT17 kWh_b_CT17 kW(Kw_c)_CT18 kWh_c_CT18 kW(Kw_tot)_M6 kWh_tot_M6 kW(Kw_a)_CT19 kWh_a_CT19 kW(Kw_b)_CT20 kWh_b_CT20 kW(Kw_c)_CT21 kWh_c_CT21 kW(Kw_tot)_M7 kWh_tot_M7 kW(Kw_a)_CT22 kWh_a_CT22 kW(Kw_b)_CT23 kWh_b_CT23 kW(Kw_c)_CT24 kWh_c_CT24 kW(Kw_tot)_M8 kWh_tot_M8 Volt(V_a)_CT1 Amp(I_a)_CT1 Volt(V_b)_CT2 Amp(I_b)_CT2 Volt(V_c)_CT3 Amp(I_c)_CT3 Volt(V_avg)_M1 Amp(I_avg)_M2 Volt(V_a)_CT4 Amp(I_a)_CT4 Volt(V_b)_CT5 Amp(I_b)_CT5 Volt(V_c)_CT6...
  • Page 69 8.2.5 Object Dictionary of PM-4324-CPS 8.2.5.1 Communication Profile Area The following tables are regarding each entry of the communication profile area is defined in PM-4324-CPS. For the convenient purpose, all communication entries are divided into several tables. They are “General Communication Entries”, “TxPDO Communication Entries”, and “TxPDO Mapping Communication Entries”.
  • Page 70 SDO Communication Entries Sidx Description Type Attr Default 1200h 0h largest sub-index supported UNSIGNED 8 RO 2 for “server SDO parameter” COB-ID form client to server UNSIGNED 32 RO 600h+Node-ID (RxSDO) COB-ID form server to clien UNSIGNED 32 RO 580h+Node-ID t(TxSDO) TxPDO Communication Entries Sidx Description...
  • Page 71 inhibit time UNSIGNED 16 … … … Reversed event timer UNSIGNED 16 1804h largest sub-index supported UNSIGNED 8 for “receive PDO parameter” COB-ID used by PDO (Tx) UNSIGNED 32 80000000h transmission type UNSIGNED 8 inhibit time UNSIGNED 16 … … …...
  • Page 72 1A05h largest sub-index UNSIGNED 8 read Kw_b CT5 INTEGER 32 3200 0620h read kWh_b CT5 INTEGER 32 3201 0620h 1A06h largest sub-index” UNSIGNED 8 read Kw_c CT6 INTEGER 32 3200 0720h read kWh_c CT6 INTEGER 32 3201 0720h 1A07h largest sub-index UNSIGNED 8 read Kw_tot Meter2 INTEGER 32...
  • Page 73 1A11h largest sub-index UNSIGNED 8 read Kw_b CT14 INTEGER 32 3200 1220h read kWh_b CT14 INTEGER 32 3201 1220h 1A12h largest sub-index UNSIGNED 8 read Kw_c CT15 INTEGER 32 3200 1320h read kWh_c CT15 INTEGER 32 3201 1320h 1A13h largest sub-index UNSIGNED 8 read Kw_tot Meter5 INTEGER 32...
  • Page 74 1A1Ch 0 largest sub-index UNSIGNED 8 read Kw_a CT22 INTEGER 32 3200 1D20h read kWh_a CT22 INTEGER 32 3201 1D20h 1A1Dh 0 largest sub-index UNSIGNED 8 read Kw_b CT23 INTEGER 32 3200 1E20h read kWh_b CT23 INTEGER 32 3201 1E20h 1A1Eh 0 largest sub-index UNSIGNED 8...
  • Page 75 1A27h largest sub-index UNSIGNED 8 read V_avg Meter2 INTEGER 32 3202 0820h read I_avg Meter2 INTEGER 32 3203 0820h PM-4324 User’s Manual v1.05 Last Revised: Apr. 2024 Page: 75  E-mail: service@icpdas.com Copyright © ICP DAS Co., Ltd. All Rights Reserved. www.icpdas.com...
  • Page 76 8.2.5.2 Manufacturer Specific Profile Area In the following table, there is information about some special functions for the PM-4324-CPS. The index from 0x3200 to 0x3209 records the power meter measurement parameters. The number of these entries will be automatically updated when the PM-4324-CPS boot up.
  • Page 77 “Volt” Volt(V_a) (Meter 1) INTEGER32 Volt(V_b) (Meter 1) INTEGER32 Volt(V_c) (Meter 1) INTEGER32 Volt(V_avg) (Meter 1) INTEGER32 … … … … Volt(V_a) (Meter 8) INTEGER32 Volt(V_b) (Meter 8) INTEGER32 Volt(V_c) (Meter 8) INTEGER32 Volt(V_avg) (Meter 8) INTEGER32 3203h largest sub-index supported for UNSIGNED 8 “Amp”...
  • Page 78 kVA(Kva_c) (Meter 1) INTEGER32 kVA(Kva_tot) (Meter 1) INTEGER32 … … … … kVA(Kva_a) (Meter 8) INTEGER32 kVA(Kva_b) (Meter 8) INTEGER32 kVA(Kva_c) (Meter 8) INTEGER32 kVA(Kva_tot) (Meter 8) INTEGER32 3206h largest sub-index supported for UNSIGNED 8 “PF” PF_a (Meter 1) INTEGER32 PF_b (Meter 1) INTEGER32 PF_c (Meter 1)
  • Page 79 kvarh_a (Meter 8) INTEGER32 kvarh_b (Meter 8) INTEGER32 kvarh_c (Meter 8) INTEGER32 kvarh_tot (Meter 8) INTEGER32 3209h largest sub-index supported for UNSIGNED 8 “Frequency” Freq_a (Meter 1) INTEGER32 Freq _b (Meter 1) INTEGER32 Freq _c (Meter 1) INTEGER32 Freq _avg (Meter 1) INTEGER32 …...
  • Page 80 3: 3P3W2CT 4: 3P3W3CT 5: 3P4W3CT Energy Absolute Accumulated UNSIGNED 16 RW Mode 0: Enable 1: Disable Display Voltage UNSIGNED 16 RW 0: Automatic 1: Show as Vln 2: Show as Vll 320Ch 0 largest sub-index supported for UNSIGNED 8 object H Phase Select1 UNSIGNED 16 RW...
  • Page 81 Application Object The users can write the object the value 65766173h to object with index 1010h and subindex 1 to save the application setting, or write the value 64616F6Ch to object with index 1011h and subindex 1 and reboot the module to load the factory default. PM-4324 User’s Manual v1.05 Last Revised: Apr.
  • Page 82 Appendix: Questions & Answers Q1. Can we use the other 5A CT’s (like 600/5) to directly connect to the input current terminals of PM-4324 series? No, because the input current is only mA size on PM-4324 series，definitely not to directly use other 5A CT’s to connect and apply （like100/5…） ，It could causes the fetal damages.
  • Page 83 Q6. What does negative kW on a motor/pump mean? Confirm the pump running at full load. Or are the readings taken at "idle" (negative kW, low power factor)? Q7. PC and meter cannot make the connection with RS-485？ (1) Confirm the Modbus Address, default is 1. (2) Confirm the Band Rate, default is 19200.
  • Page 84 Q10. How to measure the current large than 400A? The CT of PM-4324 maximum range is 400A. If the target is more than 400A, we suggest the solution as follow. For example the target is to measure maximum 800A current. We can measure big CT output and set a CT Ratio.
  • Page 85 Q11. Can I use CT's that I currently own with PM-4324 Power Meter? You can use CT's that you currently own with PM-4324P (without CTs) Power Meter. The CT inputs of the PM-4324P can handle a maximum of 333mV (Rogowski coils are not supported) of AC current.
  • Page 86 Q12. What is the difference between line to line voltages to line to ground voltage? On a three phase wye connected system line to line voltages will be the voltages between the terminals A - B, B - C, A - C. On a three phase wye connected system line to ground voltages will be the voltages between the terminals A - N, B - N, C - N.
  • Page 87 Q13. How to set up [Display Voltage] register value to correctly display line to ground voltage or line to line voltage? The voltage [V_x] register in Modbus register table can be used to show line-to-ground voltage or line-to-line voltage value by setting [Display Voltage] register value. According to different wiring types, it is required to set different [Display Voltage] value.
  • Page 88 Q15. How to measure the Voltage large than 500V? For service voltage above 600 Vac, voltage transformers (PTs) are used to step down the voltage to a lower range that will work with a PM-4324 meter. Selecting a Transformer: Selecting the right voltage transformer is simple. Review the following considerations to determine the best fit for your application.

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