Siemens SITRANS F Operating Instructions Manual page 96

Modbus communication
A.9 Modbus holding register tables
Modbus Data type /
register Size in bytes
1314 Float / 4
1316 Float / 4
1318 Float / 4
1320 Float / 4
1322 Unsigned / 2
1711 Float / 4
1713 Unsigned / 2
General path settings
Table A-18 General path settings
Modbus Data type /
register Size in bytes
1400 Unsigned / 2
1401 Unsigned / 2
96
Parameter Description
Sensor phase The velocity at
velocity which the wave
fronts traverse
the interface be‐
tween 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 mul‐
tiplier on the
crystal projec‐
tion value used
in formula for cal‐
culating pipe
travel.
Temperature Sensor tempera‐
compensation ture compensa‐
factor tion slope factor.
Reference tem‐ Sensor refer‐
perature ence (nominal)
temperature.
Parameter Description
Installed paths Bit encoded value con‐
taining installed paths
for clamp-on systems.
Path mode Measurement mode of
paths
Default value Value range /
[units] Setting options
(units register)
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
Default value Value range /
[units] Setting options
(units register)
0 ● Bit 0: Path 1 installed Read /
1 1: Transit Time
Operating Instructions, 09/2017, A5E41425845-AB
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Access
level
write
Read /
write
FST020 IP65 NEMA 4X