Festo CPX-2AA-U-I, Electronic Manual

Page: 29 / 228

1. Overview and connection technology I/O modules
1−11
Festo P.BE−CPX−AX−EN en 0503b
Sub−base CPX−AB−4−M12x2−5POL(−R)
No te
In order that the completely fitted modules with sub−base
CPX−AB−4−M12x2−5POL(−R) comply with protection class
IP65:
·
use plugs and cables specified from the Festo range for
connecting sensors and actuators (see appendix A.8).
·
Tighten the union nuts of the plugs at first by hand.
·
Seal unused sockets with protective caps type ISK−M12
(Accessories).
The sub−base with metal thread (CPX−AB−4−M12x2−5POL −R )
enables fast locking systems e. g. SPEEDCON from Phoenix
Contact to be used.
·
When using fast locking systems follow the manufac
turer’s instructions in order to comply with protection
class IP65/IP67.
S c r eenin g/ s h ie ld
On plugs without metal housing:
·
Connect the cable screening/shield to pin 5
(functional earth FE).
On plugs with metal housing:
·
Use the sub−base with metal thread
(type CPX−AB−4−M12x2−5POL
−R ). The metal thread of
this sub−base is connected internally to pin 5 (FE).
or
·
Connect the cable screening/shield via the plug
housing and the screening plate (see below) to FE.