Appendix
A.3 MODBUS
SENTRON PAC4200
202 Manual, 09/2008, A5E02316180B-01
Offset Number of
registers
Name Format Unit Value range Access
345 2 Sliding Window Demand Reactive
Power b (VAR1)
Float VAR - R
347 2 Sliding Window Demand Reactive
Power c (VAR1)
Float VAR - R
349 2 Sliding Window Demand Power Factor
a
Float - 0 ... 1 R
351 2 Sliding Window Demand Power Factor
b
Float - 0 ... 1 R
353 2 Sliding Window Demand Power Factor
c
Float - 0 ... 1 R
355 2 Sliding Window Demand Total
Apparent Power
Float VA - R
357 2 Sliding Window Demand Total Active
Power
Float W - R
359 2 Sliding Window Demand Total
Reactive Power (VARn)
Float VAR - R
361 2 Sliding Window Demand Total
Reactive Power (VARtot)
Float VAR - R
363 2 Sliding Window Demand Total
Reactive Power (VAR1)
Float VAR - R
365 2 Sliding Window Demand Total Power
Factor
Float - - R
367 2 Sliding Window Demand Neutral
Current
Float A - R
The following tables contain further details of all measured variables indicated by at least one *.
You can additionally use the MODBUS function code 0x10 on all measured variables indicated by **.
Table A- 2 Meaning of the abbreviations in the "Access" column
Abbreviation Meaning
R Read access
W Write access
RW Read and write access
See also
Structure - Digital inputs status and digital outputs status with the function codes 0x01 and
0x02 (Page 203)
Structure - Limit values with the function
code
s 0x01 and 0x02 (Page 204)
Structure - PMD diagnostics and status
with the function codes 0x03 and 0x04 (Page 205)
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