Modbus Settings With The Function Codes 0X03, 0X04 And 0X10 - Siemens SENTRON PAC3120 Manual

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