Siemens SENTRON PAC4200, Руководство пользователя, Страница: 207 / 252

Appendix
A.3 MODBUS
SENTRON PAC4200
Manual, 09/2008, A5E02316180B-01
207
Offset Number of
registers
Name Format Unit Value range Access
Byte 0 Bit 0 Tariff
information
Byte 1 Bits 0 ... 3
Quality information
Byte 2 Reserve
523 2 Information on Last Period Float VA
Byte 3 Bits 0 ... 3
Reactive power
information
R
525 2 Maximum apparent power in the
current period
Float VA - R
527 2 Minimum apparent power in the
current period
Float VA - R
529 2 Cumulated active power import in the
instantaneous period
Float W - R
531 2 Cumulated reactive power import in
the instantaneous period
Float VAR - R
533 2 Cumulated active power export in the
instantaneous period
Float W - R
535 2 Cumulated reactive power export in
the instantaneous period
Float VAR - R
537 2 Max. Active Power Instantaneous
Period
Float W - R
539 2 Min. Active Power Instantaneous
Period
Float W - R
541 2 Max. Reactive Power Instantaneous
Period
Float VAR - R
543 2 Min. Reactive Power Instantaneous
Period
Float VAR - R
Table A- 8 Meaning of the abbreviations in the "Access" column
Abbreviation Meaning
R Read access
W Write access
RW Read and write access