Siemens SITRANS F Operating Instructions Manual page 115

Modbus Data type /
register Size in bytes
8868 Float / 4
8810 Float / 4
8812 Float / 4
8870 Float / 4
8872 Float / 4
10000 Float / 4
FST020 IP65 NEMA 4X
Operating Instructions, 09/2017, A5E41425845-AB
Parameter Description
Lower range Lower volume flow val‐
value volume ue that is mapped to
flow the lower nominal
range boundary selec‐
ted by Current mode
(8806). Applicable if
Process value (8802) =
1.
Upper range Upper mass flow value
value mass flow that is mapped to the
upper nominal range
boundary selected by
Current mode (8806).
Applicable if Process
value (8802) = 0.
Lower range Lower mass flow value
value mass flow that is mapped to the
lower nominal range
boundary selected by
Current mode (8806).
Applicable if Process
value (8802) = 0.
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 velocity value
value velocity that is mapped to the
upper nominal range
boundary selected by
Current mode (8806).
Applicable if Process
value (8802) = 18, 19 or
31.
A.9 Modbus holding register tables
Default value Value range /
[units] Setting options
(units register)
0 -
[m /s]
3
(7500)
0.2 • max. -
mass flow
[kg/s]
(7400)
0.0 -
[kg/s]
(7400)
Max. density -
[kg/m ]
3
(7600)
0.08 -
[kg/m ]
3
(7600)
1.0 -
[m/s]
(8014 / 7648)
Modbus communication
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
115