Burkert Type 8644 - Manual (Page 25)

8644/Rockwell - 21
S
YSTEM
D
ESCRIPTION
In its minimal configuration, the system consists of field bus nodes and the valve block.
The closing plate protects both the system and persons from improper contact.
Terminals can be arranged before and after the valve block.
System description
Procedure for changing the electrical function module:
Switch off the electricity and compressed air supplies to the AirLINE
system
Unscrew fixing screws of the valves with a screwdriver
Pull valve off valve plug
Keep dirt away from flange seal and O-ring (3/2 valve)
Loosen the functional module at the rear latching mechanism and pull
away upwards from the distributor module (backplane bus) without tilting it
Set the new functional module vertically on the distributor module (back-
plane bus) and press downwards until it can be heard to latch in
Place valve with clean inserted flange seals/O-rings onto the valve position
and tighten the screws according to the adjacent assembly drawing
ACHTUNG!
Do not introduce foreign parts into the basic module (24V supply bus)-
-> Risk of short circuit
20 Ncm
20 Ncm
30 Ncm
30 Ncm