Festo VABA-10S6-X Series, Manual

Page: 178 / 196

B. Internal structure and examples of cicuitry
B−4
Festo P.BE−CPX−EA−E N en 0804g
Internal structure of CPX−8DE−D, CPX−M−16DE−D
1
Diagnosis
2
Ix = Input x
3
Monitoring/
switching off the
sensor supply
4
Logic identifier Ix
5
Red module
fault LED
6
Red channel
error LED
7
Green LED Ix
8
Connections on the
sub−base
(FE not provided on
all sub−bases)
24 V
SENx
1
2
3
4
5
Ix
0 V
SENx
FE
24 V ±25 %
0 V (V
EL/SEN
)
6 7
8
(V
EL/SEN
)
Fig.B/2: Internal structure of CPX−8DE−D, CPX−M−16DE−D
On input module CPX−M−16DE−D, the LEDs
6
and
7
are
positioned so that a common optical waveguide can be used
in sub−base CPX−M−8−M12x2−5POL.