Real-Time Measurements
General Description
The real-time measurements are refreshed every second. Real-time measurements include:
-
RMS (Root Mean Square) voltage and voltage unbalance
-
RMS (Root Mean Square) current and current unbalance
-
Active, reactive, and apparent power
-
Power factor and fundamental power factor
-
Frequency
-
Total harmonic distortion (THD) of voltage and current compared to the fundamental
-
Total harmonic distortion (thd) of voltage and current compared to the RMS value
Voltage
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7D37–0x7D38 |
32056–32057 |
R |
V |
FLOAT32 |
41.6–2250 |
RMS phase-to-phase voltage V12 |
0x7D39–0x7D3A |
32058–32059 |
R |
V |
FLOAT32 |
41.6–2250 |
RMS phase-to-phase voltage V23 |
0x7D3B–0x7D3C |
32060–32061 |
R |
V |
FLOAT32 |
41.6–2250 |
RMS phase-to-phase voltage V31 |
0x7D3D–0x7D3E |
32062–32063 |
R |
V |
FLOAT32 |
24–1500 |
RMS phase-to-neutral voltage V1N(1) |
0x7D3F–0x7D40 |
32064–32065 |
R |
V |
FLOAT32 |
24–1500 |
RMS phase-to-neutral voltage V2N(1) |
0x7D41–0x7D42 |
32066–32067 |
R |
V |
FLOAT32 |
24–1500 |
RMS phase-to-neutral voltage V3N(1) |
(1) Value available when system type register returns 40 or 41. |
Average Voltage
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x5214–0x5215 |
21013–21014 |
R |
V |
FLOAT32 |
41.6–2250 |
Average of 3 RMS phase-to-phase voltages: (V12 + V23 + V31)/ 3 |
0x5216–0x5217 |
21015–21016 |
R |
V |
FLOAT32 |
24–1500 |
Average of 3 RMS phase-to-neutral voltages: (V1N + V2N + V3N)/ 3(1) |
(1) Value available when system type register returns 40 or 41. |
Voltage Unbalance
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x5220–0x5221 |
21025–21026 |
R |
– |
FLOAT32 |
– |
Phase-to-phase V12 voltage unbalance with respect to the average of 3 phase-to-phase RMS voltages |
0x5222–0x5223 |
21027–21028 |
R |
– |
FLOAT32 |
– |
Phase-to-phase V23 voltage unbalance with respect to the average of 3 phase-to-phase RMS voltages |
0x5224–0x5225 |
21029–21030 |
R |
– |
FLOAT32 |
– |
Phase-to-phase V31 voltage unbalance with respect to the average of 3 phase-to-phase RMS voltages |
0x5226–0x5227 |
21031–21032 |
R |
– |
FLOAT32 |
– |
Phase-to-neutral V1N voltage unbalance with respect to the average of 3 phase-to-neutral RMS voltages(1) |
0x5228–0x5229 |
21033–21034 |
R |
– |
FLOAT32 |
– |
Phase-to-neutral V2N voltage unbalance with respect to the average of 3 phase-to-neutral RMS voltages(1) |
0x522A–0x522B |
21035–21036 |
R |
– |
FLOAT32 |
– |
Phase-to-neutral V3N voltage unbalance with respect to the average of 3 phase-to-neutral RMS voltages(1) |
(1) Value available when system type register returns 40 or 41. |
Current
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7D1B–0x7D1C |
32028–32029 |
R |
A |
FLOAT32 |
– |
RMS current on phase 1 |
0x7D1D–0x7D1E |
32030–32031 |
R |
A |
FLOAT32 |
– |
RMS current on phase 2 |
0x7D1F–0x7D20 |
32032–32033 |
R |
A |
FLOAT32 |
– |
RMS current on phase 3 |
0x7D21–0x7D22 |
32034–32035 |
R |
A |
FLOAT32 |
– |
RMS current of neutral(1) |
0x7D23–0x7D24 |
32036–32037 |
R |
A |
FLOAT32 |
– |
Maximum of RMS current of phases 1, 2, 3, N (Most loaded phase) |
0x7D25–0x7D26 |
32038–32039 |
R |
- |
FLOAT32 |
– |
Current ratio on ground (Ig setting ratio) |
0x7D27–0x7D28 |
32040–32041 |
R |
- |
FLOAT32 |
– |
Current ratio on earth-leakage (IΔn setting ratio)(2) |
(1) Value available when system type register returns 30 or 41. (2) Value available with MicroLogic 7.0 X. |
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7D95–0x7D96 |
32150–32151 |
R |
A |
FLOAT32 |
– |
Ground-fault current |
0x7D97–0x7D98 |
32152–32153 |
R |
A |
FLOAT32 |
– |
Earth-leakage current(1) |
(1) Value available with MicroLogic 7.0 X. |
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x5336-0x5337 |
21301-21302 |
R |
- |
FLOAT32 |
– |
Current ratio on phase 1 (Ir setting ratio) |
0x5338-0x5339 |
21303-21304 |
R |
- |
FLOAT32 |
– |
Current ratio on phase 2 (Ir setting ratio) |
0x533A-0x533B |
21305-21306 |
R |
- |
FLOAT32 |
– |
Current ratio on phase 3 (Ir setting ratio) |
0x533C-0x534D |
21307-21308 |
R |
- |
FLOAT32 |
– |
Current ratio on neutral (Ir setting ratio x Type of neutral protection: 0.5, 1, 1.6, OFF) If type of neutral protection is OFF, then the value returned is 0. |
Current Unbalance
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x523E–0x523F |
21055–21056 |
R |
– |
FLOAT32 |
– |
Phase 1 current unbalance with respect to the average of 3 phase RMS currents |
0x5240–0x5241 |
21057–21058 |
R |
– |
FLOAT32 |
– |
Phase 2 current unbalance with respect to the average of 3 phase RMS currents |
0x5242–0x5243 |
21059–21060 |
R |
– |
FLOAT32 |
– |
Phase 3 current unbalance with respect to the average of 3 phase RMS currents |
0x5244–0x5245 |
21061–21062 |
R |
– |
FLOAT32 |
– |
Neutral current unbalance with respect to the average of 3 phase RMS currents(1) |
(1) Value available when system type register returns 30 or 41. |
Average Values
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7D83–0x7D84 |
32132–32133 |
R |
A |
FLOAT32 |
– |
Average of 3 phase RMS currents |
0x7D85–0x7D86 |
32134–32135 |
R |
V |
FLOAT32 |
– |
Average of 3 RMS phase-to-phase voltages: (V12+V23+V31)/3 |
0x7D87–0x7D88 |
32136–32137 |
R |
V |
FLOAT32 |
– |
Average of 3 RMS phase-to-neutral voltages: (V1N+V2N+V3N)/3(1) |
(1) Value available when system type register returns 40 or 41. |
Frequency
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7D43–0x7D44 |
32068–32069 |
R |
Hz |
FLOAT32 |
– |
Frequency |
Active Power
The flow sign of the active power depends on the configuration of register 8405:
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7D47–0x7D48 |
32072–32073 |
R |
W |
FLOAT32 |
– |
Active power on phase 1(1) |
0x7D49–0x7D4A |
32074–32075 |
R |
W |
FLOAT32 |
– |
Active power on phase 2(1) |
0x7D4B–0x7D4C |
32076–32077 |
R |
W |
FLOAT32 |
– |
Active power on phase 3(1) |
0x7D4D–0x7D4E |
32078–32079 |
R |
W |
FLOAT32 |
– |
Total active power |
(1) Value available when system type register returns 40 or 41. |
Reactive Power
The flow sign of the reactive power depends on the configuration of register 8405:
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7D4F–0x7D50 |
32080–32081 |
R |
VAr |
FLOAT32 |
– |
Reactive power on phase 1(1) |
0x7D51–0x7D52 |
32082–32083 |
R |
VAr |
FLOAT32 |
– |
Reactive power on phase 2(1) |
0x7D53–0x7D54 |
32084–32085 |
R |
VAr |
FLOAT32 |
– |
Reactive power on phase 3(1) |
0x7D55–0x7D56 |
32086–32087 |
R |
VAr |
FLOAT32 |
– |
Total reactive power |
(1) Value available when system type register returns 40 or 41. |
Apparent Power
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7D57–0x7D58 |
32088–32089 |
R |
VA |
FLOAT32 |
– |
Apparent power on phase 1(1) |
0x7D59–0x7D5A |
32090–32091 |
R |
VA |
FLOAT32 |
0–16000000 |
Apparent power on phase 2(1) |
0x7D5B–0x7D5C |
32092–32093 |
R |
VA |
FLOAT32 |
0–16000000 |
Apparent power on phase 3(1) |
0x7D5D–0x7D5E |
32094–32095 |
R |
VA |
FLOAT32 |
0–16000000 |
Total apparent power |
(1) Value available when system type register returns 40 or 41. |
Power Factor
The sign of the power factor depends on the configuration of register 8404:
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7DCD–0x7DCE |
32206–32207 |
R |
– |
FLOAT32 |
– |
Power factor on phase 1(1) |
0x7DCF–0x7DD0 |
32208–32209 |
R |
– |
FLOAT32 |
– |
Power factor on phase 2(1) |
0x7DD1–0x7DD2 |
32210–32211 |
R |
– |
FLOAT32 |
– |
Power factor on phase 3(1) |
0x7DD3–0x7DD4 |
32212–32213 |
R |
– |
FLOAT32 |
– |
Total power factor |
(1) Value available when system type register returns 40 or 41. |
Fundamental Power Factor (cos ϕ)
The sign of the fundamental power factor (cos ϕ) depends on the configuration of register 8404:
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7DD5–0x7DD6 |
32214–32215 |
R |
– |
FLOAT32 |
– |
Fundamental power factor on phase 1 (cos ϕ1)(1) |
0x7DD7–0x7DD8 |
32216–32217 |
R |
– |
FLOAT32 |
– |
Fundamental power factor on phase 2 (cos ϕ2)(1) |
0x7DD9–0x7DDA |
32218–32219 |
R |
– |
FLOAT32 |
– |
Fundamental power factor on phase 3 (cos ϕ3)(1) |
0x7DDB–0x7DDC |
32220–32221 |
R |
– |
FLOAT32 |
– |
Total fundamental power factor |
(1) Value available when system type register returns 40 or 41. |
Total Harmonic Distortion (THD) of Voltage Compared to the Fundamental
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7DDD–0x7DDE |
32222–32223 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (THD) of phase-to-phase voltage V12 compared to the fundamental |
0x7DDF–0x7DE0 |
32224–32225 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (THD) of phase-to-phase voltage V23 in compared to the fundamental |
0x7DE1–0x7DE2 |
32226–32227 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (THD) of phase-to-phase voltage V31 in compared to the fundamental |
0x7DE3–0x7DE4 |
32228–32229 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (THD) of phase-to-neutral voltage V1N in compared to the fundamental(1) |
0x7DE5–0x7DE6 |
32230–32231 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (THD) of phase-to-neutral voltage V2N in compared to the fundamental(1) |
0x7DE7–0x7DE8 |
32232–32233 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (THD) of phase-to-neutral voltage V3N in compared to the fundamental(1) |
0x528C–0x528D |
21133–21134 |
R |
– |
FLOAT32 |
– |
Average of 3 phase-to-phase voltage Total Harmonic Distortions (THD) compared to the fundamental average |
0x528E–0x528F |
21135–21136 |
R |
– |
FLOAT32 |
– |
Average of 3 phase-to-neutral voltage Total Harmonic Distortions (THD) compared to the fundamental |
(1) Value available when system type register returns 40 or 41. |
Total Harmonic Distortion (thd) of Voltage Compared to RMS Voltage
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x5290–0x5291 |
21137–21138 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (thd) of phase-phase voltage V12 compared to the RMS voltage |
0x5292–0x5293 |
21139–21140 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (thd) of phase-phase voltage V23 compared to the RMS voltage |
0x5294–0x5295 |
21141–21142 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (thd) of phase-phase voltage V31 compared to the RMS voltage |
0x5296–0x5297 |
21143–21144 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (thd) of phase-neutral voltage V1N compared to the RMS voltage(1) |
0x5298–0x5299 |
21145–21146 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (thd) of phase-neutral voltage V2N compared to the RMS voltage(1) |
0x529A–0x529B |
21147–21148 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (thd) of phase-neutral voltage V3N compared to the RMS voltage(1) |
0x529C–0x529D |
21149–21150 |
R |
– |
FLOAT32 |
– |
Average of 3 phase-to-phase voltage total harmonic distortions (thd) compared to the RMS voltage |
0x529E–0x529F |
21151–21152 |
R |
– |
FLOAT32 |
– |
Average of 3 phase-to-neutral voltage total harmonic distortions (thd) compared to the RMS voltage |
(1) Value available when system type register returns 40 or 41. |
Total Harmonic Distortion (THD) of Current Compared to the Fundamental
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x7DE9–0x7DEA |
32234–32235 |
R |
– |
FLOAT32 |
– |
Total Harmonic Distortion (THD) of current on phase 1 compared to the fundamental |
0x7DEB–0x7DEC |
32236–32237 |
R |
– |
FLOAT32 |
– |
Total Harmonic Distortion (THD) of current on phase 2 compared to the fundamental |
0x7DED–0x7DEE |
32238–32239 |
R |
– |
FLOAT32 |
– |
Total Harmonic Distortion (THD) of current on phase 3 compared to the fundamental |
0x7DEF–0x7DF0 |
32240–32241 |
R |
– |
FLOAT32 |
– |
Average of 3 phase current Total Harmonic Distortions (THD) compared to the fundamental |
Total Harmonic Distortion (thd) of Current Compared to RMS Current
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x52AA–0x52AB |
21163–21164 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (thd) of current on phase 1 compared to the RMS current |
0x52AC–0x52AD |
21165–21166 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (thd) of current on phase 2 compared to the RMS current |
0x52AE–0x52AF |
21167–21168 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (thd) of current on phase 3 compared to the RMS current |
0x52B0–0x52B1 |
21169–21170 |
R |
– |
FLOAT32 |
– |
Total harmonic distortion (thd) of current on neutral compared to the RMS current(1) |
0x52B2–0x52B3 |
21171–21172 |
R |
– |
FLOAT32 |
– |
Average of 3 phase current total harmonic distortions (thd) compared to the RMS current |
(1) Value available when system type register returns 30 or 41. |
Miscellaneous
Address |
Register |
RW |
Unit |
Type |
Range |
Description |
---|---|---|---|---|---|---|
0x52C6 |
21191 |
R |
– |
INT16U |
0–1 |
Phase rotation sequence:
|
0x52C7 |
21192 |
R |
– |
INT16U |
1–4 |
Total power factor quadrant:
|
0x52C8 |
21193 |
R |
– |
INT16U |
0–1 |
Lead or Lag:
|
0x52C9–0x52CB |
21194–21196 |
– |
– |
– |
– |
Reserved |
0x52CC–0x52CD |
21197–21198 |
R |
– |
FLOAT32 |
– |
Deviation (%) of 3 RMS phase-to-phase voltages |