Siemens SENTRON PAC4200, Manual, Page: 206 / 252

Appendix
A.3 MODBUS
SENTRON PAC4200
206
Manual, 09/2008, A5E02316180B-01
A.3.5 Measured variables for the load profile with the function codes 0x03 and 0x04
Addressing the measured variables with a time stamp
The current period is the last completed period.
The instantaneous period is the period still in progress and has not yet been completed.
Table A- 7 Measured variables available with a time stamp
Offset Number of
registers
Name Format Unit Value range Access
483 4 Time stamp for the current period Time stamp - - R
489 2 Demand apparent power in the current
period
Float VA - R
491 2 Demand active power import in the
current period
Float W - R
493 2 Demand reactive power import in the
current period
Float VAR - R
495 2 Demand active power export in the
current period
Float W - R
497 2 Demand reactive power export in the
current period
Float VAR - R
499 2 Cumulated apparent power in the
current period
Float VA - R
501 2 Cumulated active power import in the
current period
Float W - R
503 2 Cumulated reactive power import in
the current period
Float VAR - R
505 2 Cumulated active power export in the
current period
Float W - R
507 2 Cumulated reactive power export in
the current period
Float VAR - R
509 2 Maximum active power in the current
period
Float W - R
511 2 Minimum active power in the current
period
Float W - R
513 2 Maximum reactive power in the current
period
Float VAR - R
515 2 Minimum reactive power in the current
period
Float VAR - R
517 2 Length of the current period Unsigned long s - R
519 2 Time since the start of the
instantaneous period
Unsigned long s - R
521 2 Actual Subinterval Time Unsigned long s - R