Siemens SITRANS F Series Operating Instructions Manual page 203

Modbus Data type /
register Size in bytes
8870 Float / 4
8872 Float / 4
8874 Float / 4
8876 Float / 4
8878 Float / 4
8880 Float / 4
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD
Parameter Description
Upper range Upper process density
value density value that is mapped to
the upper nominal
range boundary selec‐
ted by Current mode
(8806). Applicable if
Process value (8802) =
2.
Lower range Lower process density
value density value that is mapped to
the lower nominal
range boundary selec‐
ted by Current mode
(8806). Applicable if
Process value (8802) =
2.
Upper range Upper medium temper‐
value tempera‐ ature value that is map‐
ture ped to the upper nomi‐
nal range boundary se‐
lected by Current mode
(8806). Applicable if
Process value (8802) =
3.
Lower range Lower medium temper‐
value tempera‐ ature value that is map‐
ture ped to the lower nomi‐
nal range boundary se‐
lected by Current mode
(8806). Applicable if
Process value (8802) =
3.
Upper range Upper standard volume
value standard flow value that is map‐
volume flow ped to the upper nomi‐
nal range boundary se‐
lected by Current mode
(8806). Applicable if
Process value (8802) =
27.
Lower range Lower standard volume
value standard flow value that is map‐
volume flow ped to the lower nomi‐
nal range boundary se‐
lected by Current mode
(8806). Applicable if
Process value (8802) =
27.
A.9 Modbus holding registers tables
Default value Value range /
[units] Setting options
(units register)
Max. density -
[kg/m ]
3
(7600)
0.08 -
[kg/m ]
3
(7600)
Max. medium -
temperature
[°C]
(7700)
Min. medium -
temperature
[°C]
(7700)
0.4 % • stand‐ -
ard volume
flow
[Sm /h]
3
(7964)
0.0 -
[Sm /h]
3
(7964)
Modbus communication
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
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