PLC connection
SUB-D 15 connector
Pin
Function
8
Digital out 3
9
Analogue in 0
10
Analogue in 1
11
Analog out 0
12
24 V A
13
24 V B
14
GND A
15
GND B
Signal assignment table (continued)
1
) The port identifications 1, 2 and 3 correspond to the switch connection numbers in the circuit diagram,
Chapter 8.1.
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© Festo Didactic
Fault switches
Designation
Switch position
Top (1-2)
Middle
F
Bottom (2-3)
Top (1-2)
Middle
B
Bottom (2-3)
Top (1-2)
Middle
I
Bottom (2-3)
Top (1-2)
Middle
M
Bottom (2-3)
Top (1-2)
Middle
L
Bottom (2-3)
Top (1-2)
Middle
H
Bottom (2-3)
Top (1-2)
Middle
E
Bottom (2-3)
Top (1-2)
Middle
A
Bottom (2-3)
Application connection
SUB-D 15 connector
Pin
Function/fault symptom
Short circuit to 24 V A
Interruption
8
Digital out 3
5 V
Interruption
9
Analogue in 0
5 V
Interruption
10
Analogue in 1
10 kΩ in series
Interruption
11
Analog out 0
Short circuit to 24 V B
Interruption
12
24 V A
Short circuit to 24 V A
Interruption
13
24 V B
Open
Interruption
14
GND A
GND B
Interruption
15
GND B
Error simulation box
29