Burkert Type 6520 - Manual (Page 9)

6520 - 7
english
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!
Mount the valve directly onto the NAMUR connection flange of the
pneumatic drive using the 2 supplied M5 x 35 screws.
Fig. 3: Mounting the valve / Pneumatic position indicator
M3 x 35 screws
NOTE 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
4.2 Measures to be taken before commissioning
4.1 Mounting the valve / pneumatic position indicator