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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
267
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
2064
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
(2020). Applicable if
process value (2002) =
3.
0.000001
[m
2
/s]
(7524)
0.00000001 - 10.0
Read /
write
2062
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
(2020). Applicable if
process value (2002) =
3.
0.000001
[m
2
/s]
(7524)
0.00000001 - 10.0
Read /
write
2040
Float / 4
Upper range
value medium
temperature
Upper process tem-
perature value that is
mapped to the upper
nominal range bounda-
ry selected by current
mode (2020). Applica-
ble if process value
(2002) = 4.
20.0
[°C]
(7700)
-50.0 - +250.0
Read /
write
2038
Float / 4
Lower range
value medium
temperature
Lower process tem-
perature value that is
mapped to the lower
nominal range bounda-
ry selected by current
mode (2020). Applica-
ble if process value
(2002) = 4.
20.0
[°C]
(7700)
-50.0 - +250.0
Read /
write
2046
Float / 4
Upper range
value Xdcr
temperature
Upper sensor tempera-
ture value that is
mapped to the upper
nominal range bounda-
ry selected by current
mode (2020). Applica-
ble if process value
(2002) = 5.
20.0
[°C]
(7700)
-50.0 - +250.0
Read /
write
2044
Float / 4
Lower range
value Xdcr
temperature
Lower sensor tempera-
ture value that is
mapped to the lower
nominal range bounda-
ry selected by current
mode (2020). Applica-
ble if process value
(2002) = 5.
20.0
[°C]
(7700)
-50.0 - +250.0
Read /
write