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Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units register)
Value range /
Setting options
Access
level
9178
Float / 4
Upper range
value standard
volume flow
Upper standard volume
flow value that is map‐
ped to the upper nomi‐
nal range boundary se‐
lected by Current mode
(9106). Applicable if
Process value (9102) =
27.
0.4 % • max.
standard vol‐
ume flow
[Sm
3
/s]
(7964)
-
Read /
write
9180
Float / 4
Lower range
value standard
volume flow
Lower standard volume
flow value that is map‐
ped to the lower nomi‐
nal range boundary se‐
lected by Current mode
(9106). Applicable if
Process value (9102) =
27.
0.0
[Sm
3
/s]
(7964)
-
Read /
write
10112
Float / 4
Upper range
value current
Upper current value
that is mapped to the
upper nominal range
boundary selected by
Current mode (9106).
Applicable if Process
value (9102) = 25 or 26.
20.0
[mA]
-
Read /
write
10114
Float / 4
Lower range
value current
Lower current value
that is mapped to the
lower nominal range
boundary selected by
Current mode (9106).
Applicable if Process
value (9102) = 25 or 26.
4.0
[mA]
-
Read /
write
9107
Float / 4
Damping value
Time constant of damp‐
ing filter for current out‐
put signal.
0.0
[s]
0.0 - 100.0
Read /
write
9591
Unsigned / 2
Filter-safe acti‐
vation condition
Fail-safe activation con‐
dition.
1
● 0: Bad status of
selected process
value
● 1: Active
Maintenance alarm
or Failure (NAMUR)
Read /
write
9281
Unsigned / 2
Fail-safe min.
time
Minimum time the out‐
put stays in fail-safe be‐
havior.
0
[s]
0 - 100
Read /
write
9114
Unsigned / 2
Fail-safe behav‐
ior
Current output reaction
in case of a fault.
0
● 0: Lower fault current
● 1: Upper fault current
● 2: Last valid value
● 3: Disabled
● 4: Custom value
Read /
write
MODBUS commands
4.10 Modbus holding registers tables
FCT030 Modbus (From firmware 4.0)
Function Manual, 06/2018, A5E39931813-AB
95