55xGenComm1_29
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GenComm Page 6 - Derived Instrumentation
NOTE:- Derived instrumentation values can only be read from a 550 or 555 module fitted
with the Power measurement option. This is also sometimes referred to as “Enhanced
instrumentation”.
Attempting to read these values from a “basic” instrumentation module will return an
“unimplemented” response.
Registers
These are all read only registers.
Register
offset
Name Minimum
value
Maximum
value
Scale
factor
Units Bits/
Sign
0-1 Generator total watts -99,999,999 99,999,999 1 W 32S
2-3 Generator L1 VA 0 99,999,999 1 VA 32
4-5 Generator L2 VA 0 99,999,999 1 VA 32
6-7 Generator L2 VA 0 99,999,999 1 VA 32
8-9 Generator total VA 0 99,999,999 1 VA 32
10-11 Generator L1 VAr 0 99,999,999 1 VAr 32
12-13 Generator L2 VAr 0 99,999,999 1 VAr 32
14-15 Generator L2 VAr 0 99,999,999 1 VAr 32
16-17 Generator total VAr 0 99,999,999 1 VA 32
18 Generator power factor L1 -1 1 0.01 16S
19 Generator power factor L2 -1 1 0.01 16S
20 Generator power factor L3 -1 1 0.01 16S
21 Generator average power
factor
-1 1 0.01 16S
22 Generator percentage of
full power
-999.9 +999.9 0.1 % 16S
23 Generator percentage of
full VAr
-999.9 +999.9 0.1 % 16S
22-255 Reserved