Delta AH500 Hardware Operation Manual page 191

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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

Safety wiring: The PLC controls many devices, and the activity of any device affects the activity of other

devices. If any device breaks down, the whole automatic control system goes out of control, and the

danger occurs. The protection circuit is shown below.

Alternating-current power supply: 100~240 VAC, and 50/60 Hz

Circuit breaker

Emergency stop: The emergency stop button can be used to cut off the power when an

emergency occurs.

Power indicator

Load through which the alternating current passes

The ground impedance is less than 100 Ω.

Direct-current power supply: 24 VDC

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