Siemens SITRANS F series Operating Instructions Manual page 186

Modbus communication
A.9 Modbus holding registers tables
LiquIdent settings
Table A- 34 Liquident settings (only hydrocarbon applications)
Modbus Data type /
register Size in bytes
1727 Float / 4
1729 Float / 4
7040 Float / 4
7042 Float / 4
7044 Float / 4
7046 Float / 4
7048 Float / 4
184
Parameter Description
LiquIdent tem- Specifies a tempera-
perature slope ture slope factor used
factor in connection with the
standard condition
temperature for calcu-
lating liquident.
LiquIdent pres- Specifies a pressure
sure slope slope factor used in
factor connection with the
standard condition
temperature for calcu-
lating liquident.
Upper alarm Exceeding this limit
limit causes an alarm.
Upper warning Exceeding this limit
limit causes a warning.
Lower warning Falling below this limit
limit causes a warning.
Lower alarm Falling below this limit
limit causes an alarm.
Hysteresis Hysteresis that affects
the alarm and warning
limits.
Default value Value range /
[units] Setting options
(units regis-
ter)
-4.10 -8.0 - 0.0
[m/K*s]
0.00000435 0.0 - 0.00003
Max. floating -
point value
[m/s]
(8014)
Max. floating -
point value
[m/s]
(8014)
Min. floating -
point value
[m/s]
(8014)
Min, floating -
point value
[m/s]
(8014)
0.0 -
[m/s]
(8014)
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write