Modbus interface
6.9
THD, RMS registers, H1...400
Register
Description
Harmonic analysis H1...400 (registers 4080...4500)
4080
THD CH1
4081
THD validity CH1
4082
THD CH2
4083
THD validity CH2
4084
THD CH3
4085
THD validity CH3
4086
THD CH4
4087
THD validity CH4
4088...
4094
Request calculation of full
4096
range
Status of full-range
4097
calculation
4098
H1...50
4148
H51...100
4198
H101...150
4248
H151...200
4298
H201...250
4348
H251...300
4398
H301...350
4448
H351...400
4498
THD full range
4499
Validity of full-range THD
42
RCMS410_D00424_00_M_XXEN / 09.2022
Prop-
Format
Bytes
erty
UINT16
2
RO
UINT16
2
RO
UINT16
2
RO
UINT16
2
RO
UINT16
2
RO
UINT16
2
RO
UINT16
2
RO
UINT16
2
RO
Reserved
UINT16
2
RW
UINT16
2
RO
UINT16
100
RO
UINT16
100
RO
UINT16
100
RO
UINT16
100
RO
UINT16
100
RO
UINT16
100
RO
UINT16
100
RO
UINT16
100
RO
UINT16
2
RO
UINT16
2
RO
Value/Unit/Comment
Total of all harmonics (incl. fundamental harmonic) divided by
fundamental harmonic; value range: 0...10000 [%]
Validity of THD value; 0: =, 2: >
Total of all harmonics (incl. fundamental harmonic) divided by
fundamental harmonic; value range: 0...10000 [%]
Validity of THD value; 0: =, 2: >
Total of all harmonics (incl. fundamental harmonic) divided by
fundamental harmonic; value range: 0...10000 [%]
Validity of the THD value; 0: =, 2: >
Total of all harmonics (incl. fundamental harmonic) divided by
fundamental harmonic; value range: 0...10000 [%]
Validity of THD value; 0: =, 2: >
1 = measuring channel 1
2 = measuring channel 2
3 = measuring channel 3
4 = measuring channel 4
0 = calculation ongoing or no calculation requested
1 = calculation completed
1st - 50th harmonic [mA] of the selected measuring channel
51st - 100th harmonic [mA] of the selected measuring channel
101st - 150th harmonic [mA] of the selected measuring channel
151st - 200th harmonic [mA] of the selected measuring channel
201st - 250th harmonic [mA] of the selected measuring channel
251st - 300th harmonic [mA] of the selected measuring channel
301st - 350th harmonic [mA] of the selected measuring channel
351st - 400th harmonic [mA] of the selected measuring channel
Total of all harmonics (incl. fundamental harmonic) divided by
fundamental harmonic; value range: 0...10000 [%]
Validity of THD value; 0: =, 2: >
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