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Relay (R) output circuit wiring
[ Figure 7 ]
Ϥ
1
DC power supply
Ϥ
2
Emergency stop: Uses external switch
Ϥ
3
Fuse: Uses 5 ~ 10A fuse at the shared terminal of output contacts to protect the output
circuit
Ϥ
4
Transient voltage suppressor: To extend the life span of contact.
1. Diode suppression of DC load: Used when in smaller power (Figure 8)
2. Diode + Zener suppression of DC load: Used when in larger power and frequent On/Off
(Figure 9)
Ϥ
5
Incandescent light (resistive load)
Ϥ
6
AC power supply
Ϥ
7
Manually exclusive output: For example, Y4 and Y5 control the forward running and reverse
running of the motor, forming an interlock for the external circuit, together with the PLC
internal program, to ensure safe protection in case of any unexpected errors.
Ϥ
8
Neon indicator
Ϥ
9
Absorber: To reduce the interference on AC load (Figure 10)
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Transistor (T) output circuit wiring
[ Figure 11 ]
