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Pneumatic Connection - Siemens 6DR5 Serie Kompaktbetriebsanleitung

Elektropneumatische stellungsregler
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4.2

Pneumatic connection

4.2.1
Introduction
WARNING
Pneumatic auxiliary power
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.
Note
Specifications regarding air quality
Observe the specifications regarding the air quality, see section "Technical data (Page 35)".
● If required, connect the pressure gauge block for supply air and actuating pressure.
● Connection via female thread G¼ or ¼" NPT:
– Y1: actuating pressure 1 for single and double-acting actuators
– Y2: actuating pressure 2 for double-acting actuators
– Exhaust air outlet with a sound absorber at the bottom of the device. Remove the sound absorber if required.
– P
: Supply air 1.4 to 7 bar
Z
● 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, maximum actuating pressure
– Y2: double-acting, depressurized
Note
Leakage
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.
● After installing the pneumatic connections, check the tightness of the entire control valve.
22
SIPART PS2 (6DR5...)
A5E03436620-02, 01/2013

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