Siemens SITRANS P DS III - Page 168

Commissioning
10.3 Gauge pressure, absolute pressure from differential pressure series, and absolute pressure from gauge
pressure series
SITRANS P DS III with PROFIBUS PA
168 Operating Instructions, 06/2013, A5E00053276-07
Condition
All valves are closed.
Procedure
To commission the transmitter for gases, proceed as follows:
1. Open the shut-off valve for the test connection
④.
2. Via the test connection of the shut-off fitting
②, apply the pressure corresponding to the
start of scale value to the pressure transmitter
①.
3. Check the start of scale value.
4. If the start of scale value differs from the value desired, correct it.
5. Close the shut-off valve for the test connection
④.
6. Open the shut-off valve
⑥ at the pressure tapping point.
7. Open the shut-off valve for the process
③.