Inputs And Outputs - Siemens SITRANS F Operating Instructions Manual

Modbus Data type /
register Size in bytes
8308 Float / 4
8310 Float / 4
8312 Float / 4
8314 Float / 4
A.9.6.4

Inputs and outputs

General channel 2 settings
Table A-31 General channel 2 settings
Modbus Data type /
register Size in bytes
8801 Unsigned / 2
7420 Unsigned / 2
9590 Unsigned / 2
8981 Unsigned / 2
FST020 IP65 NEMA 4X
Operating Instructions, 09/2017, A5E41425845-AB
Parameter Description
Mass upper Exceeding this limit
warning limit causes a warning when
mass flow is selected
as input.
Mass lower Falling below this limit
warning limit causes a warning when
mass flow is selected
as input.
Mass lower Falling below this limit
alarm limit causes an alarm when
mass flow is selected
as input.
Mass alarm hys‐ Hysteresis that affects
teresis the alarm and warning
limits when mass flow
is selected as input.
Parameter Description
Operation mode Operation mode.
Active/passive Shows application pos‐
operation sibilities.
Fail-safe activa‐ Fail-safe activation con‐
tion condition dition.
Fail-safe min. Minimum time the out‐
time put stays in fail-safe be‐
havior.
A.9 Modbus holding register tables
Default value Value range /
[units] Setting options
(units register)
Max. floating
point value
[kg]
(8320)
Min. floating
point value
[kg]
(8320)
Min. floating
point value
[kg]
(8320)
0.0 -
[kg]
(8320)
Default value Value range /
[units] Setting options
(units register)
0
● 0: Off
● 1: Current output
- ● 0: Active operation
not possible, use
passive wiring!
● 1: Active operation
possible, hardware is
able to drive the
current loop.
1
● 0: Bad status of
selected process
value
● 1: Active
Maintenance alarm
or Failure (NAMUR)
0 0 - 100
[s]
Modbus communication
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
Access
level
Read /
write
Read
only
Read /
write
Read /
write
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