Modbus Coils - Siemens SITRANS F 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 Data type Description
0
Auto zero adjust
MODBUS address Data type Description
8
Coil Restart MODBUS communication:
Write:
•
– 0 = No effect
– 1 = Restart
Read: always 0
•
Coil Start auto zero adjust:
Write:
0 = No effect
•
1 = StartRead:
•
– 0 = Idle
– 1 = Busy
Operating Instructions, 06/2010, A5E00753974-04
Read/
write
R/W
Read/
write
R/W
Modbus RTU RS485