Festo 1971599, Manual

Page: 88 / 150

2. Installation
2-14
Festo P.BE-CPX-FVDA-P2-EN en 1209NH English
Before the CPX terminal can be extended or converted, it
must first be unscrewed and dismantled. Instructions on this
can be found in the CPX system description.
CPX terminals are supplied from the factory completely as-
sembled. It may be necessary to dismantle and mount the
connection blocks for the following reasons:
– replacing the connections.
It may be necessary to mount or dismantle electronics mod-
ules for the following reasons:
– changing the DIL switch setting (PROFIsafe address)
– replacement of a defective electronics module.
2.5.1 Dismantling the electronics module
For dismounting of the electronics module ( Fig. 1/2 in sec-
tion 1.1.1):
1. Switch off the operating and supply voltage.
2. Unscrew the screws 9 and carefully lift off the connection
block 1.
3. If required: Pull the electronics module 2 carefully off the
contact rails.