2.2 Example of connection of PELV power unit and poten-
tial equalization
1
PE
2
Potential
equalization
3
Load voltage can
be switched off
separately and
external fuses
4
Earth connection
pin 4 (max. 3 A)
2.3 Field bus connection (sub-D-9 plug and socket)
The following accessories can be obtained from Festo:
–
sub-D plug type FBS-SUB-9-GS-IB (incoming field bus)
–
sub-D plug type FBS-SUB-9-BU-IB (continuing field
bus).
Festo CPV..-GE-IB-8 0108NH English
3 1 2 4
2 A
2 A
1
2 3
2
4
15