Real-Time Measurements - ComPacT NSX Modbus Comm UG

General Description

The real-time measurements are refreshed every second. Real-time measurements include:

voltage and voltage unbalance
current and current unbalance
active, reactive, apparent, and distortion power
reactive power with harmonic
power factor and fundamental power factor
frequency
THD (total harmonic distortion)

Voltage

Register = 0 if voltage < 25 V.

Address	Register	RW	X	Unit	Type	Range	Description
0x03E7	1000	R	1	V	INT16U	0–850	RMS phase-to-phase voltage V12
0x03E8	1001	R	1	V	INT16U	0–850	RMS phase-to-phase voltage V23
0x03E9	1002	R	1	V	INT16U	0–850	RMS phase-to-phase voltage V31
0x03EA	1003	R	1	V	INT16U	0–850	RMS phase-to-neutral voltage V1N ⁽¹⁾
0x03EB	1004	R	1	V	INT16U	0–850	RMS phase-to-neutral voltage V2N ⁽¹⁾
0x03EC	1005	R	1	V	INT16U	0–850	RMS phase-to-neutral voltage V3N ⁽¹⁾
0x03ED	1006	R	1	V	INT16U	0–850	Arithmetic mean of V12, V23, and V31: (V12 + V23 + V31) / 3 = V_avg L-L
0x03EE	1007	R	1	V	INT16U	0–850	Arithmetic mean of V1N, V2N, and V3N: (V1N + V2N + V3N) / 3 = V_avg L-N ⁽¹⁾
0x0478	1145	R	1	V	INT16U	0–850	Vmax: maximum of V12, V23, and V31 ⁽²⁾
0x0479	1146	R	1	V	INT16U	0–850	Vmin: minimum of V12, V23, and V31 ⁽²⁾
(1) This value is not available for motor application and not accessible when the system type in register 3314 is 30 or 31. Refer to System Type. (2) This value can be reset with the reset minimum/maximum command. Refer to Reset Minimum/Maximum.

Voltage Unbalance

Address	Register	RW	X	Unit	Type	Range	Description
0x03EF	1008	R	10	%	INT16U	-1000–+1000	V12 phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages
0x03F0	1009	R	10	%	INT16U	-1000–+1000	V23 phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages
0x03F1	1010	R	10	%	INT16U	-1000–+1000	V31 phase-to-phase voltage unbalance in relation to the arithmetic mean of phase-to-phase voltages
0x03F2	1011	R	10	%	INT16U	-1000–+1000	V1N phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages ⁽¹⁾
0x03F3	1012	R	10	%	INT16U	-1000–+1000	V2N phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages ⁽¹⁾
0x03F4	1013	R	10	%	INT16U	-1000–+1000	V3N phase-to-neutral voltage unbalance in relation to the arithmetic mean of phase-to-neutral voltages ⁽¹⁾
0x03F5	1014	R	10	%	INT16U	-1000–+1000	Maximum phase-to-phase voltage unbalance value of registers 1008, 1009, and 1010 ⁽²⁾
0x03F6	1015	R	10	%	INT16U	-1000–+1000	Maximum phase-to-neutral voltage unbalance value of registers 1011, 1012, and 1013 ⁽¹⁾⁽²⁾
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type. (2) This value can be reset with the reset minimum/maximum command. Refer to Reset Minimum/Maximum.

Current

Address	Register	RW	X	Unit	Type	Range	Description
0x03F7	1016	R	1	A	INT16U	0–20xIn	RMS current on phase 1: I1
0x03F8	1017	R	1	A	INT16U	0–20xIn	RMS current on phase 2: I2
0x03F9	1018	R	1	A	INT16U	0–20xIn	RMS current on phase 3: I3
0x03FA	1019	R	1	A	INT16U	0–20xIn	RMS current on the neutral: IN ⁽¹⁾
0x03FB	1020	R	1	A	INT16U	0–20xIn	Maximum of I1, I2, I3, and IN ⁽²⁾
0x03FC	1021	R	1	%Ig	INT16U	0–20xIn	Ground-fault current
0x03FD	1022	R	1	mA	INT16U	0–20xIn	Earth-leakage current
0x0401	1026	R	1	A	INT16U	0–20xIn	Minimum of I1, I2, and I3 ⁽²⁾
0x0402	1027	R	1	A	INT16U	0–20xIn	Arithmetic mean of I1, I2, and I3: (I1 + I2 + I3) / 3 = I_avg
(1) This value is not available for motor application and when the system type in register 3314 is 31 or 40. Refer to System Type. (2) This value can be reset with the reset minimum/maximum command. Refer to Reset Minimum/Maximum.

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 current ⁽¹⁾
0x0407	1032	R	10	%	INT16	-1000–+1000	Maximum current unbalance of registers 1028, 1029, and 1030 ⁽²⁾
(1) This value is not available for motor application and when the system type in register 3314 is 31 or 40. Refer to System Type. (2) This value can be reset with the reset minimum/maximum command. Refer to Reset Minimum/Maximum.

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	10	kW	INT16	-10000–+10000	Active power on phase 1: P1 ⁽¹⁾
0x040A	1035	R	10	kW	INT16	-10000–+10000	Active power on phase 2: P2 ⁽¹⁾
0x040B	1036	R	10	kW	INT16	-10000–+10000	Active power on phase 3: P3 ⁽¹⁾
0x040C	1037	R	10	kW	INT16	-30000–+30000	Total active power: Ptot
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type.

Reactive Power

The flow sign of the reactive power depends on the configuration of register 3316 Power Flow Sign.

Address	Register	RW	X	Unit	Type	Range	Description
0x040D	1038	R	10	kVAR	INT16	-10000–+10000	Reactive power on phase 1: Q1 ⁽¹⁾
0x040E	1039	R	10	kVAR	INT16	-10000–+10000	Reactive power on phase 2: Q2 ⁽¹⁾
0x040F	1040	R	10	kVAR	INT16	-10000–+10000	Reactive power on phase 3: Q3 ⁽¹⁾
0x0410	1041	R	10	kVAR	INT16	-30000–+30000	Total reactive power: Qtot
(1) This value is not available for motor application and 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	10	kVAR	INT16	0–10000	Apparent power on phase 1: S1 ⁽¹⁾
0x0412	1043	R	10	kVAR	INT16	0–10000	Apparent power on phase 2: S2 ⁽¹⁾
0x0413	1044	R	10	kVAR	INT16	0–10000	Apparent power on phase 3: S3 ⁽¹⁾
0x0414	1045	R	10	kVAR	INT16	0–30000	Total apparent power: Stot
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type.

Power Factor

The sign of the power factor depends on the configuration of register 3318 Power Factor Sign.

Address	Register	RW	X	Unit	Type	Range	Description
0x0415	1046	R	100	–	INT16	-100–+100	Power factor on phase 1: PF1 ⁽¹⁾
0x0416	1047	R	100	–	INT16	-100–+100	Power factor on phase 2: PF2 ⁽¹⁾
0x0417	1048	R	100	–	INT16	-100–+100	Power factor on phase 3: PF3 ⁽¹⁾
0x0418	1049	R	100	–	INT16	-100–+100	Total power factor: PF
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type.

Fundamental Power Factor (cosϕ)

The sign of the fundamental power factor (cosϕ) depends on the configuration of register 3318 Power Factor Sign.

Address	Register	RW	X	Unit	Type	Range	Description
0x0419	1050	R	100	–	INT16	-100–+100	Fundamental power factor on phase 1: cosϕ 1 ⁽¹⁾
0x041A	1051	R	100	–	INT16	-100–+100	Fundamental power factor on phase 2: cosϕ 2 ⁽¹⁾
0x041B	1052	R	100	–	INT16	-100–+100	Fundamental power factor on phase 3: cosϕ 3 ⁽¹⁾
0x041C	1053	R	100	–	INT16	-100–+100	Total fundamental power factor: cosφ
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type.

Frequency

When the MicroLogic trip unit cannot calculate the frequency, it returns Not Evaluated = 32768 (0x8000).

Address	Register	RW	X	Unit	Type	Range	Description
0x041D	1054	R	10	Hz	INT16U	150–4400	System frequency: F

Fundamental Reactive Power

The flow sign of the reactive power depends on the configuration of register 3316 Power Flow Sign.

Address	Register	RW	X	Unit	Type	Range	Description
0x0437	1080	R	10	kVAR	INT16	-10000–+10000	Fundamental reactive power on phase 1: Q1 Fund ⁽¹⁾
0x0438	1081	R	10	kVAR	INT16	-10000–+10000	Fundamental reactive power on phase 2: Q2 Fund ⁽¹⁾
0x0439	1082	R	10	kVAR	INT16	-10000–+10000	Fundamental reactive power on phase 3: Q3 Fund ⁽¹⁾
0x043A	1083	R	10	kVAR	INT16	-10000–+10000	Total fundamental reactive power: Qtot Fund
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type.

Distortion Power

Address	Register	RW	X	Unit	Type	Range	Description
0x043F	1088	R	10	kVAR	INT16U	0–10000	Distortion power on phase 1: D1 ⁽¹⁾
0x0440	1089	R	10	kVAR	INT16U	0–10000	Distortion power on phase 2: D2 ⁽¹⁾
0x0441	1090	R	10	kVAR	INT16U	0–10000	Distortion power on phase 3: D3 ⁽¹⁾
0x0442	1091	R	10	kVAR	INT16U	0–10000	Total distortion power: Dtot
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type.

Total Harmonic Distortion (THD)

Address	Register	RW	X	Unit	Type	Range	Description
0x0443	1092	R	10	%	INT16U	0–32766	Total harmonic distortion of V12 in relation to the fundamental
0x0444	1093	R	10	%	INT16U	0–32766	Total harmonic distortion of V23 in relation to the fundamental
0x0445	1094	R	10	%	INT16U	0–32766	Total harmonic distortion of V31 in relation to the fundamental
0x0446	1095	R	10	%	INT16U	0–32766	Total harmonic distortion of V1N in relation to the fundamental ⁽¹⁾
0x0447	1096	R	10	%	INT16U	0–32766	Total harmonic distortion of V2N in relation to the fundamental ⁽¹⁾
0x0448	1097	R	10	%	INT16U	0–32766	Total harmonic distortion of V3N in relation to the fundamental ⁽¹⁾
0x0449	1098	R	10	%	INT16U	0–32766	Total harmonic distortion of I1 in relation to the fundamental
0x044A	1099	R	10	%	INT16U	0–32766	Total harmonic distortion of I2 in relation to the fundamental
0x044B	1100	R	10	%	INT16U	0–32766	Total harmonic distortion of I3 in relation to the fundamental
(1) This value is not available for motor application and when the system type in register 3314 is 30 or 31. Refer to System Type.

Thermal Image of Motor

Address	Register	RW	X	Unit	Type	Range	Description
0x0477	1144	R	1	%	INT16U	0–32766	Ith image