Siemens SITRANS F Series Operating Instructions Manual page 218

Modbus communication
A.9 Modbus holding registers tables
Modbus Data type /
register Size in bytes
9109 Unsigned / 2
218
Parameter Description
Flow direction Flow direction filter ap‐
plicable for Process val‐
ues (9102) = 0, 1, 19
and 27.
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)
Operating Instructions, 08/2018, A5E37367739-AD
Access
level
Read /
write
SITRANS FST030 (Modbus)