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

Page: 208 / 232

A. Technical appendix
A−18
Festo P.BE−CPX−EA−E N en 0705f
Internal structure of CPX−8DE−D, CPX−M−16DE−D
1
Diagnosis
2
Ex = Input x
3
Monitoring/
switching off the
sensor supply
4
Logic identifier Ex
5
Red module
fault LED
6
Red channel error
LED
7
Green LED Ex
8
Connections on the
sub−base
(FE not provided on
all sub−bases)
24 V
SENx
1
2
3
4
5
Ex
0 V
SENx
FE
24 V ± 25%
0 V (V
EL/SEN
)
6 7
8
(V
EL/SEN
)
Fig.A/2: Internal structure of CPX−8DE−D, CPX−M−16DE−D
On input module CPX−M−16DE−D the LEDs
6
and
7
are posi
tioned so that a common optical waveguide can be used in
sub−base CPX−M−8−M12x2−5POL.