Siemens SITRANS F Modbus RTU RS 485 - Modbus Coils

B.3 Modbus Coils
In the following the coils for the USM II MODBUS RTU module are described.



8
&RQWUROVWDWXV
Figure B-1 Modbus Coils Memory Map
Communication settings
Table B-7 Communication settings
MODBUS register MODBUS address Data type Description Read/
write
0:00001 0 Coil Restart MODBUS communication:
• Write:
– 0 = No e󹪜ect
– 1 = Restart
• Read: always 0
R/W
Auto zero adjust
Table B-8 Auto zero adjust
MODBUS register MODBUS address Data type Description Read/
write
0:00009 8 Coil Start auto zero adjust:
Write:
• 0 = No e󹪜ect
• 1 = StartRead:
– 0 = Idle
– 1 = Busy
R/W
Appendix
B.3 Modbus Coils
Modbus RTU RS 485
64 Operating Instructions, 03/2021, A5E00753974-AB