Siemens SIPART PS2 6DR50xx Instrucciones de operaciones descargar pdf (Pagina 89)

Connection

6.2 Pneumatic connection

SIPART PS2 with and without HART communications

Operating Instructions, 09/2007, A5E00074631-07

6.2 Pneumatic connection

WARNING

Owing to safety reasons, the pneumatic auxiliary power supply must be fed after installation

only if the positioner is switched to the "P-manual mode" when an electrical signal is

available, refer to the as-delivered condition.

NOTICE

Observe the specifications regarding the air quality.

● If required, connect the pressure gauge block for supply air and actuating pressure.

● Connect supply air to P

● Connection using female thread G1/4 DIN 45141 or 1/4" NPT:

– P

supply air 1.4 to 7 bar

– Y1: actuating pressure 1 for single and double-acting actuators

– Y2: actuating pressure 2 for double-acting actuators

– E: exhaust air outlet; remove the attenuator if required.

● For double-acting actuators, connect actuating pressures Y1 or Y2 depending on the

desired safety position. Safety position in case of electrical auxiliary power supply failure:

– Y1: single-acting, depressurized

– Y1: double-acting, max. actuating pressure/supply air pressure.

– Y2: double-acting, depressurized

Note

After installing the pneumatic connections, check the tightness of the entire control

valve. Besides continuous air consumption, the positioner may try to compensate the

position deviation due to leakage. This will lead to premature wear in the entire control

unit.

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Siemens SIPART PS2 6DR50xx Instrucciones de operaciones Pagina 89