Easy Series EasyPact MVSModbus Communication Guide – User Guide

Safety Information
About the Book
Modbus Communication with EasyPact MVS Circuit Breakers
- Introduction
- IFM Interface
Modbus Protocol with EasyPact MVS Circuit Breakers
Standard Dataset
- Introduction
- Standard Dataset Common Registers
ETV Trip System Data for EasyPact MVS Circuit Breakers
- ETV Trip System Registers
- ETV Trip System Commands
  - List of ETV Trip System Commands and Error Codes
  - Measurement Configuration Commands
BCM ULP Module Data for EasyPact MVS Circuit Breakers
- BCM ULP Module Registers
- BCM ULP Module Files
  - Circuit Breaker Manager Event Log
IO Module Data for EasyPact MVS Circuit Breakers
IFM Interface Data for EasyPact MVS Circuit Breakers
- IFM Interface Registers
  - IFM Interface Identification
  - Modbus Network Parameters
- IFM Interface Commands
  - List of IFM Interface Commands
  - IFM Interface Commands
Appendices
- Appendix A: Cross References to Modbus Registers

DOCA0193EN-00

Real-Time Measurements

General Description

The metering manager refreshes the real-time measurements every second. Real-time measurements include:

voltage and voltage unbalance
current and current unbalance
active, reactive, and apparent power
power factor

Voltage

Address	Register	RW	X	Unit	Type	Range	Description
0x03E7	1000	R	1	V	INT16U	0–1200	RMS phase-to-phase voltage V12
0x03E8	1001	R	1	V	INT16U	0–1200	RMS phase-to-phase voltage V23
0x03E9	1002	R	1	V	INT16U	0–1200	RMS phase-to-phase voltage V31
0x03EA	1003	R	1	V	INT16U	0–1200	RMS phase-to-neutral voltage V1N⁽¹⁾
0x03EB	1004	R	1	V	INT16U	0–1200	RMS phase-to-neutral voltage V2N⁽¹⁾
0x03EC	1005	R	1	V	INT16U	0–1200	RMS phase-to-neutral voltage V3N⁽¹⁾
0x03ED	1006	R	1	V	INT16U	0–1200	Arithmetic mean of V12, V23, and V31: (V12 + V23 + V31) / 3 = V_avg L-L
0x03EE	1007	R	1	V	INT16U	0–1200	Arithmetic mean of V1N, V2N, and V3N: (V1N + V2N + V3N) / 3 = V_avg L-N⁽¹⁾
(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Voltage Unbalance

Address	Register	RW	X	Unit	Type	Range	Description
0x03EF	1008	R	10	%	INT16	-1000–+1000	V12 phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages
0x03F0	1009	R	10	%	INT16	-1000–+1000	V23 phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages
0x03F1	1010	R	10	%	INT16	-1000–+1000	V31 phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages
0x03F2	1011	R	10	%	INT16	-1000–+1000	V1N phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages⁽¹⁾
0x03F3	1012	R	10	%	INT16	-1000–+1000	V2N phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages⁽¹⁾
0x03F4	1013	R	10	%	INT16	-1000– +1000	V3N phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages⁽¹⁾
0x03F5	1014	R	10	%	INT16	-1000–+1000	Maximum phase-to-phase voltage unbalance value of registers 1008, 1009, and 1010
0x03F6	1015	R	10	%	INT16	-1000–+1000	Maximum phase-to-neutral voltage unbalance value of registers 1011, 1012, and 1013⁽¹⁾
(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Current

Address	Register	RW	X	Unit	Type	Range	Description
0x03F7	1016	R	1	A	INT16U	0–32767	RMS current on phase 1: I1
0x03F8	1017	R	1	A	INT16U	0–32767	RMS current on phase 2: I2
0x03F9	1018	R	1	A	INT16U	0–32767	RMS current on phase 3: I3
0x03FA	1019	R	1	A	INT16U	0–32767	RMS current on the neutral: IN⁽¹⁾
0x03FB	1020	R	1	A	INT16U	0–32767	Maximum of I1, I2, I3, and IN
0x03FC	1021	R	1	A	INT16U	0–32767	Ground-fault current^{(2) (3)}
0x03FD–0x0401	1022–1026	–	–	–	–	–	Reserved
0x0402	1027	R	1	A	INT16U	0–32767	Arithmetic mean of I1, I2, and I3: (I1 + I2 + I3) / 3 = I_avg
(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type. (2) Accessible only with ETV 6G trip system. (3) If this current exceeds 32767 A, the register blocks at 32767.

Current Unbalance

Address	Register	RW	X	Unit	Type	Range	Description
0x0403	1028	R	10	%	INT16	-1000–+1000	I1 current unbalance in relation to the arithmetic mean of the phase currents
0x0404	1029	R	10	%	INT16	-1000–+1000	I2 current unbalance in relation to the arithmetic mean of the phase currents
0x0405	1030	R	10	%	INT16	-1000–+1000	I3 current unbalance in relation to the arithmetic mean of the phase currents
0x0406	1031	R	10	%	INT16	-1000–+1000	IN current unbalance in relation to the arithmetic mean of the phase currents⁽¹⁾
0x0407	1032	R	10	%	INT16	-1000–+1000	Maximum current unbalance of registers 1028, 1029, and 1030
(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Active Power

The flow sign of the active power depends on the configuration of register 3316 (refer to Power Flow Sign).

Address	Register	RW	X	Unit	Type	Range	Description
0x0409	1034	R	1	kW	INT16	-32767–+32767	Active power on phase 1: P1⁽¹⁾
0x040A	1035	R	1	kW	INT16	-32767–+32767	Active power on phase 2: P2⁽¹⁾
0x040B	1036	R	1	kW	INT16	-32767–+32767	Active power on phase 3: P3⁽¹⁾
0x040C	1037	R	1	kW	INT16	-32767–+32767	Total active power: Ptot
(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Reactive Power

Address	Register	RW	X	Unit	Type	Range	Description
0x040D	1038	R	1	kVAR	INT16	-32767–+32767	Reactive power on phase 1: Q1⁽¹⁾
0x040E	1039	R	1	kVAR	INT16	-32767–+32767	Reactive power on phase 2: Q2⁽¹⁾
0x040F	1040	R	1	kVAR	INT16	-32767–+32767	Reactive power on phase 3: Q3⁽¹⁾
0x0410	1041	R	1	kVAR	INT16	-32767–+32767	Total reactive power: Qtot
(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Apparent Power

Address	Register	RW	X	Unit	Type	Range	Description
0x0411	1042	R	1	kVA	INT16U	0–32767	Apparent power on phase 1: S1⁽¹⁾
0x0412	1043	R	1	kVA	INT16U	0–32767	Apparent power on phase 2: S2⁽¹⁾
0x0413	1044	R	1	kVA	INT16U	0–32767	Apparent power on phase 3: S3⁽¹⁾
0x0414	1045	R	1	kVA	INT16U	0–32767	Total apparent power: Stot
(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

Power Factor

Address	Register	RW	X	Unit	Type	Range	Description
0x0415	1046	R	1000	–	INT16	-1000–+1000	Power factor on phase 1: PF1 (absolute value equal to \|P1\|/S1)⁽¹⁾
0x0416	1047	R	1000	–	INT16	-1000–+1000	Power factor on phase 2: PF2 (absolute value equal to \|P2\|/S2)⁽¹⁾
0x0417	1048	R	1000	–	INT16	-1000–+1000	Power factor on phase 3: PF3 (absolute value equal to \|P3\|/S3)⁽¹⁾
0x0418	1049	R	1000	–	INT16	-1000–+1000	Total power factor: PF (absolute value equal to \|P_total\| / S_total)
(1) Value is not available when the system type in register 3314 is 30 or 31. Refer to System Type.

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