
Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
203
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
10010
Float / 4
Lower range
value dimen-
sionless
Lower dimensionless
value that is mapped to
the lower nominal
range boundary se-
lected by Current mode
(8806). Applicable if
Process value (8802) =
28, 32, 33, 34, or 36.
0.0
-
Read /
write
10012
Float / 4
Upper range
value current
Upper current value
that is mapped to the
upper nominal range
boundary selected by
Current mode (8806).
Applicable if Process
value (8802) = 25 or
26.
20.0
[mA]
-
Read /
write
10014
Float / 4
Lower range
value current
Lower current value
that is mapped to the
lower nominal range
boundary selected by
Current mode (8806).
Applicable if Process
value (8802) = 25 or
26.
4.0
[mA]
-
Read /
write
10016
Float / 4
Upper range
value viscosity
Upper process viscosi-
ty value that is mapped
to the upper nominal
range boundary se-
lected by Current mode
(8806). Applicable if
Process value (8802) =
21 or 29.
1.0
[m²/s]
(7524)
-
Read /
write
10018
Float / 4
Lower range
value viscosity
Lower process viscosi-
ty value that is mapped
to the lower nominal
range boundary se-
lected by Current mode
(8806). Applicable if
Process value (8802) =
21 or 29.
0.0
[m²/s]
(7524)
-
Read /
write
10064
Float / 4
Upper range
value ROC
Upper rate of change
value that is mapped to
the upper nominal
range boundary se-
lected by Current mode
(8806). Applicable if
Process value (8802) =
36.
1.0
[m/s²]
(8564)
-
Read /
write