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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
216
Operating Instructions, 08/2017, A5E37367739-AC
General channel 3 settings
Table A- 53 General channel 3 settings
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
9101
Unsigned / 2 Operation mode Operation mode.
0
•
0: Off
•
1: Current output
•
2: Frequency output
•
3: Pulse output
•
4: Signal output
•
5: Discrete input
•
6: Analog input
Read /
write
7430
Unsigned / 2 Active/passive
operation
Shows application
possibilities.
-
•
0: Active operation
not possible, use
passive wiring!
•
1: Active operation
possible, hardware is
able to drive the cur-
rent loop.
Read
only
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