Delta AH02HC-5A, Hardware Manual

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Chapter 5
OOWiring
⑤
Relay/Solenoid valve through which the direct current passes: A diode is connected in
parallel to absorb the surge voltage which occurs when the load is OFF.
V DC power supply
⑥
Electromagnetic contactor through which the alternating current passes: A resistor and a
capacitor are connected in parallel to absorb the surge voltage which occurs when the load is
OFF.
Electromagnetic contactor
⑦
Bulb (incandescent lamp) through which the direct current passes: A thermistor is connected
in series to absorb the surge current which occurs when the load is ON.
V DC power supply
Bulb (neon lamp) through which the alternating current passes: A thermistor is connected in
series to absorb the surge current which occurs when the load is ON.
○
8
Mutually exclusive output: Y0.4 controls the clockwise rotation of the motor, and Y0.5
controls the counterclockwise rotation of the motor. The interlock circuit which is formed, and
the program in the PLC ensure that there are protective measures if an abnormal condition
occurs.
5-26