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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
225
Channel 3 frequency output settings
Table A- 55 Channel 3 frequency output settings
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
9299
Unsigned / 2 Redundancy
mode
Redundancy mode.
0
•
0: Off. Channel 3
runs independently.
•
1: 90°. Channel 3
follows frequency on
channel 2 with a 90°
shift.
•
2: 180°. Channel 3
follows frequency on
channel 2 with a 180°
shift.
Read /
write