Siemens SENTRON PAC3200T, Product Manual, Page: 124 / 136

Appendix
A.1 Modbus TCP
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Equipment Manual, 09/2022, L1V30415168B-03
A.1.10 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 accesses and 0x10 for write
accesses on all the settings parameters listed below.
Table A- 7 Settings parameters
Offset Number of
registers
Name Unit Format Value range Access
50001 2 Connection type — Unsigned long 0 = 3P4W RW
1 = 3P3W
2 = 3P4WB
3 = 3P3WB
4 = 1P2W
50003 2 Voltage measurement
using voltage
transformers?
— Unsigned long 0 = No RW
1 = Yes
50005 2 Primary voltage — Unsigned long 1 ... 999999 V RW
50007 2 Secondary voltage — Unsigned long 1 ... 690 V RW
50011 2 Primary current — Unsigned long ... 99999 A RW
50013 2 Secondary current — Unsigned long 1 A, 5 A R
50019 2 Minimum current
(1% rated current)
% Float 0.0 ... 10.0 RW
50021 2 Demand period min Unsigned long 1 ... 60 RW
50023 2 Synchronization — Unsigned long 0 = No synchronization RW
1 = Synchronization via bus
2 = Synchronization via the
digital input
50243 2 Change current L1
direction
— Unsigned long 0 = No RW
1 = Yes
50245 2 Change current L2
direction
— Unsigned long 0 = No RW
1 = Yes
50247 2 Change current L3
direction
— Unsigned long 0 = No RW
1 = Yes