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Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units register)
Value range /
Setting options
Access
level
9592
Unsigned / 2
Fail-safe activa‐
tion condition
Fail-safe activation con‐
dition.
1
● 0: Bad status of
selected process
value
● 1: Active
Maintenance alarm
or Failure (NAMUR)
Read /
write
9481
Unsigned / 2
Fail-safe min.
time
Minimum time the out‐
put stays in fail-safe be‐
havior.
0
[s]
0 - 100
Read /
write
9439
Unsigned / 2 Fail-safe behav‐
ior
Frequency output reac‐
tion in case of a fault.
2
● 0: Frequency value
low
● 1: Frequency value
high
● 2: Last valid value
● 3: Disabled
● 4: Custom value
Read /
write
9440
Float / 4
Fail-safe value
Output value in case of
a fault and when Fail-
safe behavior (9439) is
configured to 4.
0.0
[Hz]
0.0 - 12500.0
Read /
write
7163
Float / 4
Forced value
Forced value when
forcing is active.
1.0
[Hz]
0.0 - 12500.0
Read /
write
Channel 4 pulse output settings
Table 4-45
Channel 4 pulse output settings
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units register)
Value range /
Setting options
Access
level
9460
Unsigned / 2
Process value
Select process value
for the pulse output.
0
● 0: Mass flow
● 1: Volume flow
● 27: Standard volume
flow rate (only
hydrocarbon and gas
applications)
Read /
write
9462
Unsigned / 2
Flow direction
Flow direction filter.
0
● 0: Positive direction
● 1: negative direction
● 2: Positive and
negative directions
Read /
write
9465
Float / 4
Amount of vol‐
ume
Amount value to gener‐
ate an output pulse. Ap‐
plicable if process val‐
ue (9460) is set to 1.
0.001
[m
3
]
(8993)
-
Read /
write
MODBUS commands
4.10 Modbus holding registers tables
FCT030 Modbus (From firmware 4.0)
Function Manual, 06/2018, A5E39931813-AB
115