Delta AH500 Hardware Operation Manual page 233

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A H 5 0 0 H a r d w a r e a n d O p e r a t i o n M a n u a l

A bulb (incandescent lamp) is used as a DC load. A thermistor is connected in series to absorb the

surge current which occurs when the load is ON.

Y0.2 cannot be connected to a power supply directly. It must be connected to a load.

Mutually exclusive output: For example, Y0.3 controls the clockwise rotation of the motor, and Y0.4

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.

NPN transistor output (sinking)

PNP transistor output (sourcing)

NP N tra nsi stor ou tpu t (si nki ng )

P NP tra nsi sto r o utp ut ( sou rci ng )

DC power supply

DC p owe r su pp ly

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