Appendix
A.3 MODBUS
SENTRON PAC4200
System Manual, 09/2009, A5E02316180B-02
237
Offset Number of
registers
Name Format Unit Value range Access
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- 10 Meaning of the abbreviations in the "Access" column
Abbreviation Meaning
R Read access
W Write access
RW Read and write access
A.3.6 Tariff-specific energy values in double format with the function codes 0x03, 0x04,
and 0x10
Addressing the tariff-specific energy values
Table A- 11 Available tariff-specific measured variables
Offset Number of
registers
Name Format Unit Value range Access
797 4 Date / Time Time stamp - - RW
801 4 Active Energy Import Tariff 1 Double Wh Overflow 1.0e+12 RW
805 4 Active Energy Import Tariff 2 Double Wh Overflow 1.0e+12 RW
809 4 Active Energy Export Tariff 1 Double Wh Overflow 1.0e+12 RW
813 4 Active Energy Export Tariff 2 Double Wh Overflow 1.0e+12 RW
817 4 Reactive Energy Import Tariff 1 Double VARh Overflow 1.0e+12 RW
821 4 Reactive Energy Import Tariff 2 Double VARh Overflow 1.0e+12 RW
825 4 Reactive Energy Export Tariff 1 Double VARh Overflow 1.0e+12 RW
829 4 Reactive Energy Export Tariff 2 Double VARh Overflow 1.0e+12 RW
833 4 Apparent Energy Tariff 1 Double VAh Overflow 1.0e+12 RW
837 4 Apparent Energy Tariff 2 Double VAh Overflow 1.0e+12 RW
841 4 Process active energy Double Wh Overflow 1.0e+12 RW
845 4 Process reactive energy Double VARh Overflow 1.0e+12 RW
849 4 Process apparent energy Double VAh Overflow 1.0e+12 RW