Mounting The Valve / Pneumatic Position Indicator; Measures To Be Taken Before Commissioning - bürkert 6520 NAMUR Betriebsanleitung

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4.1

Mounting the valve / pneumatic position indicator

Mount the valve directly onto the NAMUR connection flange of the pneumatic drive using
the 2 supplied M5 x 35 screws.
NOTE
M3 x 35 screws
Fig. 3: Mounting the valve / Pneumatic position indicator
4.2

Measures to be taken before commissioning

Check all connections, voltages and the operational pressure!
Ensure that the max. operating data (see rating plate) id not exceeded!
Check the correct connection of ports 1 and 3 or 5 respectively in accordance with
the regulations. On no account must these be reversed!
26
The supplied coded pin ensures that the device can only be
mounted in the foreseen position. (guarantees the pre-defined
direction of operation of the drive).
24 V connection
Indicator pin to show the pneumatic position
In an unswitched valve, the red indicator pin can be
pressed in. If the valve is switched, the indicator pin travels
out, and remains in this position. Every time a functional
check is carried out, this pin must be pressed in again.
Identification label (removable for marking / inscription)
Port 14
•
•
Not used in standard model
Used as an control air boost connection and as a
connection for pneumatic controls
Type 6520