Siemens SENTRON PAC3120, Manual, Page: 125 / 160

Appendix
A.1 Modbus
PAC3120 and PAC3220
Equipment Manual, 10/2019,
L1V30425208F-01
123
A.1.7 Modbus settings with the function codes 0x03, 0x04 and 0x10
Addressing the settings
You can use the Modbus function codes 0x03 and 0x04 for read access operations and 0x10
for write access operations on all the setting parameters listed below.
Table A- 10 Setting parameters
Offset Number of
registers
Name Unit Format Value range Access
50001 2 Connection type – Unsigned
long
0 … 4
0 = 3P4W
1 = 3P3W
2 = 3P4WB
3 = 3P3WB
4 = 1P2W
RW
50003 2 Voltage measurement using voltage
transformer yes/no
– Unsigned
long
0 … 1
0 = No
1 = Yes
RW
50005 2 Primary voltage V Unsigned
long
1 … 999999 RW
50007 2 Secondary voltage V Unsigned
long
1 … 480 RW
50011 2 Primary current A Unsigned
long
1 … 99999 RW
50013 2 Secondary current A Unsigned
long
1 … 5 RW
50019 2 Zero point suppression level % Float 0.0 … 10.0 RW
50021 2 Demand period Min. Unsigned
long
1 … 60 RW
50023 2 Synchronization – Unsigned
long
0 … 2
0 = No synchronization
1 = Synchronization via bus
2 = Synchronization via digi-
tal input
RW
50025 2 DI 0.0 Type of use – Unsigned
long
0 … 3
0 = No action
1 = Pulse interface
2 = Switching on/off peak
3 = Synchronization
RW
50029 2 DI 0.0 Index – Unsigned
long
0 … 1
0 = kWh
1 = kvarh
RW
50031 2 DI 0.0 Pulses per unit – Unsigned
long
1 … 4000 RW
50033 2 DO 0.0 Vector group assignment – Unsigned
long
0 … 99 RW