Siemens SITRANS F Series Operating Instructions Manual page 249

Modbus Data type /
register Size in bytes
9410 Unsigned / 2
9435 Float / 4
9437 Float / 4
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD
Parameter Description
Flow direction Flow direction filter ap‐
plicable for Process val‐
ues (9404) set to 0, 1,
19, or 27.
Frequency val‐ Upper frequency value.
ue high Upper nominal output
range boundary.
Frequency val‐ Lower frequency value.
ue low Lower nominal output
range boundary.
A.9 Modbus holding registers tables
Default value Value range /
[units] Setting options
(units register)
hydrocarbon and gas
applications)
● 29: Base viscosity
(only hydrocarbon
applications)
● 30: Base density
(only hydrocarbon
applications)
● 31: LiquIdent (only
hydrocarbon
applications)
● 32: API gravity (only
hydrocarbon
applications)
● 33: Base API gravity
(only hydrocarbon
applications)
● 34: Specific gravity
(only hydrocarbon
applications)
● 35: Base specific
gravity (only
hydrocarbon
applications)
● 36: Rate of change
(ROC) (only
hydrocarbon
applications)
0
● 0: Positive direction
● 1: Negative direction
● 2: Positive and
negative directions
● 3: Positive and
negative directions
(symmetric mode)
10000.0 0.0 - 12500.0
[Hz]
0.0 Hz 0.0 - 12500.0
Modbus communication
Access
level
Read /
write
Read /
write
Read /
write
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