Festo CPX System Manual page 38

1. Overview of components
1−20
Interlinking blocks are available in plastic and metal designs
and with various alternative connections:
M18 plug, 4−pin
7/8" plug, 4−pin
7/8" plug, 5−pin
Push−pull plug, 5−pin
The pin allocation for all alternative connections is described
in Tab. 3/4 and in the package insert for the interlinking
blocks with supply.
Section 3.1.4 describes the criteria for selecting an appropri
ate power supply unit, and calculation tables for designing
the electrical circuits.
Festo P.BE−CPX−SYS−EN en 0902e