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Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units register)
Value range /
Setting options
Access
level
8913
Float / 4
Lower range
value mass flow
Lower mass flow value
that is mapped to the
lower nominal range
boundary selected by
Frequency value low
(8937). Applicable if
Process value (8904) =
0.
0.0
[kg/s]
(7400)
-
Read /
write
8919
Float / 4
Upper range
value density
Upper process density
value that is mapped to
the upper nominal
range boundary selec‐
ted by Frequency value
high (8935). Applicable
if Process value (8904)
= 2.
1600
[kg/m
3
]
(7600)
-
Read /
write
8921
Float / 4
Lower range
value density
Lower process density
value that is mapped to
the lower nominal
range boundary selec‐
ted by Frequency value
low (8937). Applicable
if Process value (8904)
= 2.
600
[kg/m
3
]
(7600)
-
Read /
write
8923
Float / 4
Upper range
value tempera‐
ture
Upper medium temper‐
ature value that is map‐
ped to the upper nomi‐
nal range boundary se‐
lected by Frequency
value high (8935). Ap‐
plicable if Process val‐
ue (8904) = 3.
Max. medium
temperature
[°C]
(7700)
-
Read /
write
8925
Float / 4
Lower range
value tempera‐
ture
Lower medium temper‐
ature value that is map‐
ped to the lower nomi‐
nal range boundary se‐
lected by Frequency
value low (8937). Appli‐
cable if Process value
(8904) = 3.
Min. medium
temperature
[°C]
(7700)
-
Read /
write
8927
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 Frequency
value high (8935). Ap‐
plicable if Process val‐
ue (8904) = 27.
0.4 % • max.
standard vol‐
ume flow
[Sm
3
/h]
(7964)
-
Read /
write
MODBUS commands
4.10 Modbus holding registers tables
FCT030 Modbus (From firmware 4.0)
Function Manual, 06/2018, A5E39931813-AB
87