Siemens SITRANS P DS III User Manual

Commissioning
10.4 Differential pressure and flow rate
SITRANS P DS III with PROFIBUS PA
174 Operating Instructions, 06/2013, A5E00053276-07
10.4.4
Commissioning with vapor
①
Pressure transmitter
⑦
Drain valve
②
Stabilizing valve
⑧
Condensate pots
③
,
④
Differential pressure valves
⑨
Differential pressure transducer
⑤
Differential pressure lines
⑩
Insulation
⑥
Shut-off valves
Figure 10-2 Measuring steam
Requirement
All valves are closed.
Procedure
WARNING
Hot vapor
Danger of injury or damage to device.
If the shut-off valves
⑥ and the differential pressure valve ③ are both open and the
stabilizing valve
② is then opened, the transmitter ① can be damaged by the flow of
vapor.
• Follow the specified procedure for commissioning.

Siemens SITRANS P DS III Specifications

General

Type	Pressure Transmitter
Communication	HART, PROFIBUS PA, FOUNDATION Fieldbus
Housing material	Aluminum or Stainless Steel
Measured variable	Pressure
Output signal	4...20 mA HART, PROFIBUS PA, Foundation Fieldbus
Ambient temperature range	-40 to +85 °C
Power supply	10.5...45 V DC
Protection class	IP66, IP67
Process connection	Various