Festo 18227, Brief Description, Page: 15 / 62

Festo CP-FB11-E 0112e English 15
2.2 Pin assignment of power supply connection
M18 connection Pin no.
1. 24 V DC operating voltage for electronics and
inputs
2. 24 V DC load voltage for valves
3. 0 V
4. Functional earth
2.3 Example of connection of PELV power unit and
potential equalization
1
PE
2
Potential
equalization
3
Load voltage can
be switched off
separately and
external fuses
4
Earth connection
pin 4 (max. 12 A)
3 1 2 4
1 2 3 4 2
10 A
3.15 A