Modbus Coils - Siemens SITRANS F Modbus RTU RS 485 Operating Instructions Manual

Appendix
B.3 Modbus Coils
B.3

Modbus Coils

In the following the coils for the USM II MODBUS RTU module are described.
Figure B-1
Communication settings
Table B-7
MODBUS register
0:00001
Auto zero adjust
Table B-8
MODBUS register
0:00009
64
Modbus Coils Memory Map
Communication settings
MODBUS address
0
Auto zero adjust
MODBUS address
8
Data type Description
Coil Restart MODBUS communication:
• Write:
– 0 = No effect
– 1 = Restart
• Read: always 0
Data type Description
Coil Start auto zero adjust:
Write:
• 0 = No effect
• 1 = StartRead:
– 0 = Idle
– 1 = Busy
Operating Instructions, 03/2021, A5E00753974-AB
Read/
write
R/W
Read/
write
R/W
Modbus RTU RS 485