Pneumatic Connection In The Flameproof Enclosure - Siemens SIPART PS2 Series Operating Instructions Manual

Connection
5.3 Pneumatic connection
These connections are sealed with screws when the device is delivered.
The exhaust air outlet is corrosion-resistant for the blanketing of the pick-up room and the
spring chamber with dry instrument air.
①
②
Figure 5-13
5.3.3

Pneumatic connection in the flameproof enclosure

Structure
The pneumatic connections are provided on the right side of the positioner.
①
②
③
④
*) for double-acting actuators
Figure 5-14
92
Actuating pressure Y1
Exhaust air outlet
Integrated pneumatic connection
Restrictor Y2
*)
Restrictor Y1
Output: Actuating pressure Y2
Input: Supply pressure PZ
Pneumatic connection in the flameproof enclosure
⑤
Output: Actuating pressure Y1
⑦
Enclosure ventilation (2x)
⑥
Exhaust air outlet
*)
Operating Instructions, 11/2019, A5E00074631-AE
SIPART PS2 with 4 to 20 mA/HART