2
Connecting and display elements
1
FEC status LEDs and
CPX LEDs
2
RUN/STOP rotary
switch
3
Ethernet interface
4
Programming
interface
5
2−element DIL
switch 1
6
2−element DIL
switch 2
7
Service interface for
handheld
FEC status LEDs
RUN
PLC program runs
(green)
STOP
PLC program stopped
(yellow)
ERROR
PLC program error
I/O error (red)
TP
Ethernet connection
(green)
16
7
6
5
4
CPX LEDs for system diagnosis
PS
Power system (green)
PL
Power load (green)
SF
System failure (red)
M
Modify (yellow)
Festo CPX−FEC 0404NH English
1
2
3