
B: Modbus Map and Retrieving Logs
Doc# E149701 MM-8
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Description (Note 1) Format Range (Note 6) Units or Resolution Comments # Reg
Modbus Address
Hex Decimal
1775 - 179C 6006 - 6045 Phase A Voltage harmonic magnitudes UINT16 0 to 10000 0.01% 40
179D - 17C4 6046 - 6085 Phase A Voltage harmonic phases SINT16 -1800 to +1800 0.1 degree 40
17C5 - 17EC 6086 - 6125 Phase A Current harmonic magnitudes UINT16 0 to 10000 0.01% 40
17ED - 1814 6126 - 6165 Phase A Current harmonic phases SINT16 -1800 to +1800 0.1 degree 40
1815 - 183C 6166 - 6205 Phase B Voltage harmonic magnitudes UINT16 0 to 10000 0.01% 40
183D - 1864 6206 - 6245 Phase B Voltage harmonic phases SINT16 -1800 to +1800 0.1 degree 40
1865 - 188C 6246 - 6285 Phase B Current harmonic magnitudes UINT16 0 to 10000 0.01% 40
188D - 18B4 6286 - 6325 Phase B Current harmonic phases SINT16 -1800 to +1800 0.1 degree 40
18B5 - 18DC 6326 - 6365 Phase C Voltage harmonic magnitudes UINT16 0 to 10000 0.01% 40
18DD - 1904 6366 - 6405 Phase C Voltage harmonic phases SINT16 -1800 to +1800 0.1 degree 40
1905 - 192C 6406 - 6445 Phase C Current harmonic magnitudes UINT16 0 to 10000 0.01% 40
192D - 1954 6446 - 6485 Phase C Current harmonic phases SINT16 -1800 to +1800 0.1 degree 40
1955 - 1955 6486 - 6486 Wave Scope scale factor for channel Va UINT16 0 to 32767 1
1956 - 1956 6487 - 6487 Wave Scope scale factors for channel Ib UINT16 0 to 32767 1
1957 - 1958 6488 - 6489 Wave Scope scale factors for channels Vb and
Ib
UINT16 0 to 32767 2
1959 - 195A 6490 - 6491 Wave Scope scale factors for channels Vc and
Ic
UINT16 0 to 32767 2
195B - 199A 6492 - 6555 Wave Scope samples for channel Va SINT16 -32768 to +32767 64
199B - 19DA 6556 - 6619 Wave Scope samples for channel Ia SINT16 -32768 to +32767 64
19DB - 1A1A 6620 - 6683 Wave Scope samples for channel Vb SINT16 -32768 to +32767 64
1A1B - 1A5A 6684 - 6747 Wave Scope samples for channel Ib SINT16 -32768 to +32767 64
1A5B - 1A9A 6748 - 6811 Wave Scope samples for channel Vc SINT16 -32768 to +32767 64
1A9B - 1ADA 6812 - 6875 Wave Scope samples for channel Ic SINT16 -32768 to +32767 64
Block Size: 876
read-only
1F27 - 1F28 7976 - 7977 Volts A-N, previous Demand interval Short Term
Minimum
FLOAT 0 to 9999 M volts 2
1F29 - 1F2A 7978 - 7979 Volts B-N,
previous Demand interval Short Term
Minimum
FLOAT
0 to 9999 M volts 2
1F2B
- 1F2C 7980 - 7981 Volts C-N, previous Demand interval Short Term
Minimum
FLOAT 0 to 9999 M volts 2
1F2D - 1F2E 7982 - 7983 Volts A-B, previous Demand interval Short Term
Minimum
FLOAT 0 to 9999 M volts 2
1F2F - 1F30 7984 - 7985 Volts B-C, previous Demand interval Short Term
Minimum
FLOAT 0 to 9999 M volts 2
1F31 - 1F32 7986 - 7987 Volts C-A, previous Demand interval Short Term
Minimum
FLOAT 0 to 9999 M volts 2
1F33 - 1F34 7988 - 7989 Volts A-N, Short Term Minimum FLOAT 0 to 9999 M volts 2
1F35 - 1F36 7990 - 7991 Volts B-N, Short Term Minimum FLOAT 0 to 9999 M volts 2
1F37 - 1F38 7992 - 7993 Volts C-N, Short Term Minimum FLOAT 0 to 9999 M volts 2
1F39 - 1F3A 7994 - 7995 Volts A-B, Short Term Minimum FLOAT 0 to 9999 M volts 2
1F3B - 1F3C 7996 - 7997 Volts B-C, Short Term Minimum FLOAT 0 to 9999 M volts 2
1F3D - 1F3E 7998 - 7999 Volts C-A, Short Term Minimum FLOAT 0 to 9999 M volts 2
Block Size: 24
Short term Primary Minimum Block
Minimum instantaneous value measured during the
demand interval before the one most recently completed.
Minimum instantaneous value measured during the most
recently completed demand interval.
In each group of 40 registers, the first register represents
the fundamental frequency or first harmonic, the second
represents the second harmonic, and so on up to the
40th register which represents the 40th harmonic.
Harmonic magnitudes are given as % of the fundamental
magnitude. Thus the first register in each group of 40
will typically be 9999. A reading of 10000 indicates
invalid.
Convert individual samples to volts or amps:
V or A = (sample * scale factor) / 1,000,000
Samples update in conjunction with THD and harmonics;
samples not available (all zeroes) if THD not available.
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