Siemens SIPART Series - 5.2.1.3 Pneumatic connection in the flameproof enclosure

Connection
5.2 Pneumatic
SIPART PS2 with and without HART
Operating Instructions, 10/2013, A5E00074631-11
95
5.2.1.3
Pneumatic connection in the flameproof enclosure
Structure
The pneumatic connections are provided on the right side of the positioner.
①
Restrictor Y2
*)
⑤
Actuating pressure Y1
②
Restrictor Y1
⑥
Exhaust air outlet
③
Actuating pressure Y2
*)
⑦
Enclosure ventilation (2x)
④
Supply air P
Z
*) for double-acting actuators
Figure 5-25 Pneumatic connection in the flameproof enclosure