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  3. PMC-D726M

CET PMC-D726M Modbus register map

Three-phase DIN-rail multifunction meter with RS485 Modbus RTU

  • Official
  • 489 registers
  • Modbus RTU
  • Revision 2 · 2026-10-18
  • Identity: model, firmware, serial number

Official: Written from the manufacturer's documentation, but not tested on a device yet. Check the map against the manufacturer's documentation before you write to a live device. Tested it? Report a test.

Download .mbmap.json Raw JSON View on GitHub Suggest a correction Report a problem

Communication

Protocol
Modbus RTU
Unit ID
100
Serial
9600 8E1 · 9600 baud, 8 data bits, even parity, 1 stop bit
Byte / word order
ABCD · bytes big-endian, words high first
Addresses
0-based

Connection values are defaults: the device may be configured differently.

Map

Registers
489 holding registers
Groups
13
Revision
2 · 2026-10-18
Added
()
File
maps/cet/pmc-d726m.mbmap.json · 77 KB · history
SHA-256
872c66278d0c4c4afee6ff0202364f2ee1708355e2502e3a4f9426c388d82465
Manufacturer
cet-global.com

Device identity

What a tool can read to check that this map fits the connected device (SPEC.md section 4.7). Registers with a role are read like any other register.

Registers
RoleRegisterAddressTypeValues
Firmware Firmware version holding 9820 uint16
Serial number Serial number holding 9825 uint32 ABCD
Model D726X model holding 9828 uint16 3 = D726M

Sources and notes

Source: CET, "PMC-D726M Digital Multifunction Meter User Manual", V1.2 (2024-03-28), chapter 5

  • Register map for protocol version 1.4 and later. Read with FC03, write with FC16; DO control also with FC05.
  • Big endian: high byte and high word first.
  • Harmonics, demand, TOU tariffs and setpoint status need firmware V1.00.04 (LED) / V1.01.04 (LCD) or later.
  • Not in this map: SOE log (10000-10127), TOU season, daily profile and alternate day tables (7100-7729).
AreaAddressNameTypeAccessUnitScaleDescription
HR 0 uint32 ABCD R V ×0.01 Line-to-neutral values are reserved in Delta wiring
HR 2 uint32 ABCD R V ×0.01
HR 4 uint32 ABCD R V ×0.01
HR 6 uint32 ABCD R V ×0.01
HR 8 uint32 ABCD R V ×0.01
HR 10 uint32 ABCD R V ×0.01
HR 12 uint32 ABCD R V ×0.01
HR 14 uint32 ABCD R V ×0.01
HR 16 uint32 ABCD R A ×0.001
HR 18 uint32 ABCD R A ×0.001
HR 20 uint32 ABCD R A ×0.001
HR 22 uint32 ABCD R A ×0.001
HR 24 int32 ABCD R kW ×0.001
HR 26 int32 ABCD R kW ×0.001
HR 28 int32 ABCD R kW ×0.001
HR 30 int32 ABCD R kW ×0.001
HR 32 int32 ABCD R kvar ×0.001
HR 34 int32 ABCD R kvar ×0.001
HR 36 int32 ABCD R kvar ×0.001
HR 38 int32 ABCD R kvar ×0.001
HR 40 int32 ABCD R kVA ×0.001
HR 42 int32 ABCD R kVA ×0.001
HR 44 int32 ABCD R kVA ×0.001
HR 46 int32 ABCD R kVA ×0.001
HR 48 int16 R ×0.001
HR 49 int16 R ×0.001
HR 50 int16 R ×0.001
HR 51 int16 R ×0.001
HR 52 int16 R Hz ×0.01
HR 53 uint16 R ° ×0.01 Uab/Ubc/Uca in 3P3W
HR 54 uint16 R ° ×0.01
HR 55 uint16 R ° ×0.01
HR 56 uint16 R ° ×0.01
HR 57 uint16 R ° ×0.01
HR 58 uint16 R ° ×0.01
HR 59 uint32 ABCD R A ×0.001
HR 61 int16 R ×0.001
HR 62 int16 R ×0.001
HR 63 int16 R ×0.001
HR 95 bool bit 0 R Firmware V1.00.04 (LED) / V1.01.04 (LCD) or later
HR 95 bool bit 1 R
HR 95 bool bit 2 R
HR 95 bool bit 3 R
HR 95 bool bit 4 R
HR 95 bool bit 5 R
HR 96 bool bit 0 R
HR 96 bool bit 1 R
HR 97 bool bit 0 R
HR 97 bool bit 1 R
HR 98 uint32 ABCD R
HR 1000 uint32 ABCD RW kWh ×0.1 Presettable; rolls over at 100,000,000 kXh. Alias at register 100
HR 1002 uint32 ABCD RW kWh ×0.1
HR 1006 uint32 ABCD RW kvarh ×0.1
HR 1008 uint32 ABCD RW kvarh ×0.1
HR 1012 uint32 ABCD RW kVAh ×0.1
HR 1014 uint32 ABCD RW kWh ×0.1 Firmware V1.00.04 (LED) / V1.01.04 (LCD) or later
HR 1016 uint32 ABCD RW kWh ×0.1
HR 1018 uint32 ABCD RW kvarh ×0.1
HR 1020 uint32 ABCD RW kvarh ×0.1
HR 1022 uint32 ABCD RW kVAh ×0.1
HR 1024 uint32 ABCD RW kWh ×0.1
HR 1026 uint32 ABCD RW kWh ×0.1
HR 1028 uint32 ABCD RW kvarh ×0.1
HR 1030 uint32 ABCD RW kvarh ×0.1
HR 1032 uint32 ABCD RW kVAh ×0.1
HR 1034 uint32 ABCD RW kWh ×0.1
HR 1036 uint32 ABCD RW kWh ×0.1
HR 1038 uint32 ABCD RW kvarh ×0.1
HR 1040 uint32 ABCD RW kvarh ×0.1
HR 1042 uint32 ABCD RW kVAh ×0.1
HR 1044 uint32 ABCD RW kWh ×0.1
HR 1046 uint32 ABCD RW kWh ×0.1
HR 1048 uint32 ABCD RW kvarh ×0.1
HR 1050 uint32 ABCD RW kvarh ×0.1
HR 1052 uint32 ABCD RW kVAh ×0.1
HR 1300 float32 ABCD R % Firmware V1.00.04 (LED) / V1.01.04 (LCD) or later
HR 1302 float32 ABCD R %
HR 1304 float32 ABCD R %
HR 1306 float32 ABCD R %
HR 1308 float32 ABCD R %
HR 1310 float32 ABCD R %
HR 1312 float32 ABCD R %
HR 1314 float32 ABCD R %
HR 1316 float32 ABCD R %
HR 1318 float32 ABCD R
HR 1320 float32 ABCD R
HR 1322 float32 ABCD R
HR 1324 float32 ABCD R
HR 1326 float32 ABCD R
HR 1328 float32 ABCD R
HR 1330 float32 ABCD R %
HR 1332 float32 ABCD R %
HR 1400 float32 ABCD R %
HR 1402 float32 ABCD R %
HR 1404 float32 ABCD R %
HR 1406 float32 ABCD R %
HR 1408 float32 ABCD R %
HR 1410 float32 ABCD R %
HR 1412 float32 ABCD R %
HR 1414 float32 ABCD R %

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