Festo VMPA...-FB-EPL Series, Electronic Manual

Page: 168 / 232

5. Output modules
5−28
Festo P.BE−CPX−EA−EN en 0705f
5.5.2 LED display
Various LEDs are situated under the transparent cover of the
module for diagnosing the output modules.
1
Status LEDs (yellow):
assignment to the
outputs see pin
assignment of the
module
2
Channel−related
error LEDs (red)
3
Fault LED (red)
(module error)
0
1
2
3
4
DO
1 2
CPX−4DA
3
0
1
2
3
8
DO
CPX−8DA and CPX−8DA−H
1
4
5
6
7
2 3
Fig.5/1: LED display of the output modules (diagram on right shows CPX−8DA)
Status LEDs
There is a yellow status LED for each output. This LED
indicates the status of the signal at the relevant output.
This means:
Status LED
(yellow) Sequence Status
LED lights up
ON
OFF
logical 1
(output supplies a 1−signal)
LED is out
ON
OFF
logical 0
(output supplies a 0−signal)
Tab.5/24: Status LEDs of output modules