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B. Internal structure and examples of cicuitry
1
Diagnosis
2
Ix = Input x
3
Ox = Output x
4
Monitoring/
switching off the
sensor supply
5
Logic identifier Ix
6
Output driver
7
Monitoring/
switching off
the output
8
Red module
fault LED
9
Yellow LED Ox
aJ
Green LED Ix
aA
Limiting inductive
voltage peaks
aB
Connections on the
sub−base
(FE not provided on
all sub−bases)
Fig. B/5: Internal structure of CPX−8DE−8DA
Festo P.BE−CPX−EA−E N en 0804g
Internal structure of CPX−8DE−8DA
24 V ±25 % (V
)
EL/SEN
1
2
0 V (V
)
EL/SEN
24 V ±25 % (V
)
OUT
3
1
0 V (V
)
OUT
4
5
6
7
8
24 V
SEN
Ix
aJ
0 V
SEN
Ox
aA
9
0 V
OUT
FE
aB
B−7
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