16
2 INSTALLATION AND CONNECTION
16
INSTALLATION AND CONNECTION
Chapter
2
■External input equivalent circuits and example connections
- In case of plus common connection
When you connect the relay and the switch, etc.
When you connect the transistor and the photocoupler, etc.
- In case of minus common connection
When you connect the relay and the switch, etc.
When you connect the transistor and the photocoupler, etc.
Ic=
Input
Input COM
F381A
Plus common connection
A1 to A8
B1 to B8
A9
，
10
B9
，
10
DC24V
+24V 0V
Push Toggle
Switch Switch
Relay
Approx. 5mA
Input
Input COM
F381A
Plus common connection
A1 to A8
B1 to B8
A9
，
10
B9
，
10
DC24V
+24V 0V
Photocoupler Transistor
Ic=
Approx. 5mA
Input COM
Input
F381A
Minus common connection
A9
，
10
B9
，
10
A1 to A8
B1 to B8
DC24V
0V +24V
Push Toggle
Switch Switch Relay
Ic=
Approx. 5mA
Input COM
Input
F381A
Minus common connection
A9
，
10
B9
，
10
A1 to A8
B1 to B8
DC24V
0V +24V
Photocoupler Transistor
Ic=
Approx. 5mA
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