Siemens SITRANS F series Operating Instructions Manual page 164

Modbus communication
A.9 Modbus holding registers tables
Modbus Data type /
register Size in bytes
1312 Float / 4
1314 Float / 4
1316 Float / 4
1318 Float / 4
1320 Float / 4
1322 Unsigned / 2
1711 Float / 4
1713 Unsigned / 2
162
Parameter Description
Sensor crystal Length of the
projection crystal projec-
tion onto the
emitting surface
of the sensor.
Sensor phase The velocity at
velocity which the wave
fronts traverse
the interface
between the
wedge and the
pipe.
Sensor inactive The part of the
wedge wedge that is
not part of the
sound path.
Sensor fixed Fixed time in
time sensor wedge.
Mounting hole Distance be-
offset tween spacer
hole and sensor
front face.
Pipe travel time Designated
multiplier on the
crystal projec-
tion value used
in formula for
calculating pipe
travel.
Temperature Sensor tempera-
compensation ture compensa-
factor tion slope factor.
Reference Sensor refer-
temperature ence (nominal)
temperature.
Default value Value range /
[units] Setting options
(units regis-
ter)
0.03409 0.0 - 3.0
[m]
(8556)
3695.5 2000.0 - 10000.0
[m/s]
(7648)
0.00076 0.0 - 0.05
[m]
(8556)
10.61E-6 2.0E-6 - 200.0E-6
[s]
0.00953 0.0 - 0.05
[m]
(8556)
0 0 - 200
0.00063761 0.0001 - 0.0009
[1/K]
0
0: 21 °C
•
1: 60 °C
•
2: 93 °C
•
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
Read /
write