CET PMC-220, PMC-350-C, PMC-43 MODBUS registers: read online

Connect CET to the computer through a USB-to-serial or RS485 adapter and read its registers in your browser: click "Read register values online" under the model (Chrome or Edge, nothing to install). The tables below list the MODBUS offset, unit, data type and scale of every register shown. For logging 24/7 into a database, CSV files or Excel, use the Advanced Serial Data Logger (for MODBUS RTU) or Advanced TCP/IP Data Logger (for MODBUS TCP): they poll the complete map of every model on this page and provide continuous CET modbus logging and log.

Do you not know the meter address? Scan the device address online

CET (PMC-220) - MODBUS Registers

Connection and addressing notes

Protocol: Modbus
Function codes: 03 read holding registers, 16 preset multiple registers
Data format: 16/32-bit integers and IEEE 754 floats
Byte order: big endian

Registers in the map: 18. function 3 (holding registers). byte order big-endian. data types: integer, single, word.

MODBUS offset	Description	Units	Data type	Scale
0	V	V	single
2	I	A	single
4	kW	kW	single
6	Kvar	kvar	single
8	kVA	kVA	single
10	P.F		single
12	Frequency	Hz	single
38	FP counter	Hz	word
39	Comm. counter	Hz	word
40	kWh import	kWh	integer	×0.01
42	kWh export	kWh	integer	×0.01
44	kWh net	kWh	integer	×0.01
46	kWh total	kWh	integer	×0.01
48	Kvarh import	kvarh	integer	×0.01
50	Kvarh export	kvarh	integer	×0.01
52	Kvarh net	kvarh	integer	×0.01
54	Kvarh total	kvarh	integer	×0.01
56	kVAh	kVAh	integer	×0.01

CET (PMC-350-C) - MODBUS Registers Map

Connection and addressing notes

Protocol: Modbus
Function codes: 03 read holding registers, 05 force single coil, 16 preset multiple registers
Byte order: big endian

Registers in the map: 324 (the first 50 are listed below; the browser reader and the data loggers use the complete map). function 3 (holding registers). byte order big-endian. data types: dword, integer, single, word.

MODBUS offset	Description	Units	Data type	Scale
0	Uan	V	single
2	Ubn	V	single
4	Ucn	V	single
6	Uln average	V	single
8	Uab	V	single
10	Ubc	V	single
12	Uca	V	single
14	Ull average	V	single
16	Ia	A	single
18	Ib	A	single
20	Ic	A	single
22	I average	A	single
24	kWa	W	single
26	kWb	W	single
28	kWc	W	single
30	kW total	W	single
32	Kvara	var	single
34	Kvarb	var	single
36	Kvarc	var	single
38	Kvar total	var	single
40	kVAa	VA	single
42	kVAb	VA	single
44	kVAc	VA	single
46	kVA total	VA	single
48	PFa		single
50	PFb		single
52	PFc		single
54	PF total		single
56	Frequency	Hz	single
58	Uan/Uab (3P3W) angle	deg	single
60	Ubn/Ubc (3P3W) angle	deg	single
62	Ucn/Uca (3P3W) angle	deg	single
64	Ia angle	deg	single
66	Ib angle	deg	single
68	Ic angle	deg	single
70	In (Calculated)	A	single
72	IR1	A	single	×0.001
74	Displacement PFa		single
76	Displacement PFb		single
78	Displacement PFc		single
80	Displacement PF total		single
86	TC11		single
88	TC21		single
90	TC31		single
92	TC41		single
96	DI status1, 2		word
98	DO status 1, 3		word
100	Setpoint alarm status4		word
101	Wiring diagnostic status5		word
102	SOE pointer6		dword

This is not the complete map: 50 of 324 registers are listed above. Click "Read register values online" to read any register of your device in the browser, or download the program to log the complete map.

CET (PMC-43) - MODBUS Values

Connection and addressing notes

Protocol: Modbus
Register type: holding registers (4XXXXX)
Register addressing: 6-digit addressing scheme
Offset calculation: addresses used as printed, no 400001 subtraction
Function codes: 03 read holding registers, 16 preset multiple registers

Registers in the map: 45. function 3 (holding registers). byte order big-endian. data types: dword, integer, smallint, word.

MODBUS offset	Description	Units	Data type	Scale
2	VB1	V	dword	×0.01
4	VC1, 2	V	dword	×0.01
6	VLN average1	V	dword	×0.01
8	Vab	V	dword	×0.01
10	Vbc2	V	dword	×0.01
12	Vca2	V	dword	×0.01
14	VLL average	V	dword	×0.01
16	Ia	A	dword	×0.001
18	Ib	A	dword	×0.001
20	IC2	A	dword	×0.001
22	I average	A	dword	×0.001
24	kWa1	kW	integer	×0.001
26	kWb1	kW	integer	×0.001
28	kWc1, 2	kW	integer	×0.001
30	kW	kW	integer	×0.001
32	Kvara1		integer	×0.001
34	Kvarb1		integer	×0.001
36	Kvarc1, 2		integer	×0.001
38	Kvar		integer	×0.001
40	kVAa1	kVA	integer	×0.001
42	kVAb1	kVA	integer	×0.001
44	kVAc1, 2	kVA	integer	×0.001
46	kVA	kVA	integer	×0.001
48	P.F.a1		smallint	×0.001
49	P.F.b1		smallint	×0.001
50	P.F.c1, 2		smallint	×0.001
51	P.F		smallint	×0.001
52	FREQ	Hz	word	×0.01
53	I4*, 2		dword	×0.001
55	Voltage unbalance*, 4		word	×0.001
56	Current unbalance*, 4		word	×0.001
98	SOE pointer#, 6		dword
100	kWh import	kWh	dword	×0.1
102	kWh export	kWh	dword	×0.1
106	Kvarh import	kvarh	dword	×0.1
108	Kvarh export	kvarh	dword	×0.1
112	kVAh		dword	×0.1
718	Va THD		word	×0.0001
719	Vb THD		word	×0.0001
720	Vc THD*, 1		word	×0.0001
721	Ia THD		word	×0.0001
722	Ib THD		word	×0.0001
723	Ic THD*, 1		word	×0.0001
1010	CT ratio1		word
1011	Wiring mode		word

CET (PMC-53A) - MODBUS Maps

Connection and addressing notes

Protocol: Modbus
Function codes: 03 read holding registers, 05 force single coil, 16 preset multiple registers
Byte order: big endian

Registers in the map: 338 (the first 50 are listed below; the browser reader and the data loggers use the complete map). function 3 (holding registers). byte order big-endian. data types: dword, integer, single, word.

MODBUS offset	Description	Units	Data type
0	Uan	V	single
2	Ubn	V	single
4	Ucn	V	single
6	Uln average	V	single
8	Uab	V	single
10	Ubc	V	single
12	Uca	V	single
14	Ull average	V	single
16	Ia	A	single
18	Ib	A	single
20	Ic	A	single
22	I average	A	single
24	kWa	W	single
26	kWb	W	single
28	kWc	W	single
30	kW total	W	single
32	Kvara	var	single
34	Kvarb	var	single
36	Kvarc	var	single
38	Kvar total	var	single
40	kVAa	VA	single
42	kVAb	VA	single
44	kVAc	VA	single
46	kVA total	VA	single
48	PFa		single
50	PFb		single
52	PFc		single
54	PF total		single
56	Frequency	Hz	single
58	Uan/Uab (3P3W) angle	deg	single
60	Ubn/Ubc (3P3W) angle	deg	single
62	Ucn/Uca (3P3W) angle	deg	single
64	Ia angle	deg	single
66	Ib angle	deg	single
68	Ic angle	deg	single
70	In (Calculated)	A	single
72	I41	A	single
74	Displacement PFa		single
76	Displacement PFb		single
78	Displacement PFc		single
80	Displacement PF total		single
82	AI1 scaled		single
86	RTD 11	deg C	single
88	RTD 21	deg C	single
90	AO1		single
96	DI status1, 2		word
98	DO status1, 3		word
100	Setpoint status4		word
101	Wiring diagnostic status5		word
102	SOE log pointer6		dword

This is not the complete map: 50 of 338 registers are listed above. Click "Read register values online" to read any register of your device in the browser, or download the program to log the complete map.

CET (PMC-53) - MODBUS Registers Map

Connection and addressing notes

Protocol: Modbus
Register type: holding registers (4XXXXX) and write only coil registers (0XXXXX) for DO control
Register addressing: 6-digit addressing scheme
Offset calculation: addresses used as printed, no 400001 or 000001 subtraction
Function codes: 03 read holding registers, 05 force single coil, 16 preset multiple registers

Registers in the map: 66 (the first 50 are listed below; the browser reader and the data loggers use the complete map). function 3 (holding registers). byte order big-endian. data types: dword, integer, smallint, word.

MODBUS offset	Description	Units	Data type	Scale
2	VB1	V	dword	×0.01
4	VC1	V	dword	×0.01
6	VLN average	V	dword	×0.01
8	Vab	V	dword	×0.01
10	Vbc	V	dword	×0.01
12	Vca	V	dword	×0.01
14	VLL average	V	dword	×0.01
16	Ia	A	dword	×0.001
18	Ib	A	dword	×0.001
20	Ic	A	dword	×0.001
22	I average	A	dword	×0.001
24	kWa1	kW	integer	×0.001
26	kWb1	kW	integer	×0.001
28	kWc1	kW	integer	×0.001
30	kW	kW	integer	×0.001
32	Kvara1		integer	×0.001
34	Kvarb1		integer	×0.001
36	Kvarc1		integer	×0.001
38	Kvar		integer	×0.001
40	kVAa1	kVA	integer	×0.001
42	kVAb1	kVA	integer	×0.001
44	kVAc1	kVA	integer	×0.001
46	kVA	kVA	integer	×0.001
48	PFa1		smallint	×0.001
49	PFb1		smallint	×0.001
50	PFc1		smallint	×0.001
51	PF		smallint	×0.001
52	FREQ	Hz	word	×0.01
53	I4	A	dword	×0.001
55	Voltage unbalance		word	×0.001
56	Current unbalance		word	×0.001
57	dPFa*, 1		smallint	×0.001
58	dPFb*, 1		smallint	×0.001
59	dPFc*, 1		smallint	×0.001
60	kW demand	kW	integer	×0.001
62	Kvar demand		integer	×0.001
64	kVA demand	kVA	integer	×0.001
66	Ia demand	A	dword	×0.001
68	Ib demand	A	dword	×0.001
70	Ic demand	A	dword	×0.001
72	Va angle		word	×0.01
73	Vb angle		word	×0.01
74	Vc angle		word	×0.01
75	Ia angle		word	×0.01
76	Ib angle		word	×0.01
77	Ic angle		word	×0.01
78	I residual#, 3		word	×0.1
79	Temperature#, 4		smallint	×0.1
95	Alarm#, 5		word
96	DO status#, 6		word

This is not the complete map: 50 of 66 registers are listed above. Click "Read register values online" to read any register of your device in the browser, or download the program to log the complete map.

Related MODBUS registers maps

Note: Products and companies mentioned here are used only for definition and identification purposes and can be trademarks and/or registered trademarks of the respective companies.

CET PMC-220, PMC-350-C, PMC-43 MODBUS registers: read online

CET (PMC-220) - MODBUS Registers

CET (PMC-350-C) - MODBUS Registers Map

CET (PMC-43) - MODBUS Values

CET (PMC-53A) - MODBUS Maps

CET (PMC-53) - MODBUS Registers Map

Related MODBUS registers maps

MODBUS COM Port Connection

Feature Not Supported