Inputs And Outputs - Siemens SITRANS F series Operating Instructions Manual

A.9.4.4

Inputs and outputs

General channel 2 settings
Table A- 48 General channel 2 settings
Modbus Data type /
register Size in bytes
8801 Unsigned / 2
7420 Unsigned / 2
9590 Unsigned / 2
8981 Unsigned / 2
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
Parameter Description
Operation mode Operation mode.
Active/passive Shows application
operation possibilities.
Fail-safe activa- Fail-safe activation
tion condition condition.
Fail-safe min. Minimum time the
time output stays in fail-safe
behavior.
A.9 Modbus holding registers tables
Default value Value range /
[units] Setting options
(units regis-
ter)
0
0: Off
•
1: Current output
•
2: Frequency output
•
3: Pulse output
•
4: Signal output
•
-
0: Active operation
•
not possible, use
passive wiring!
1: Active operation
•
possible, hardware is
able to drive the cur-
rent loop.
1
0: Bad status of se-
•
lected process value
1: Active Mainte-
•
nance alarm or Fail-
ure (NAMUR)
0 0 - 100
[s]
Modbus communication
Access
level
Read /
write
Read
only
Read /
write
Read /
write
197