Specifications

4. Installation and Wiring

4-15

When DC voltage is supplied to the PLC, make sure the power is at terminals 24VDC and 0V (power range is 20VDC~26VDC).

When voltage is lower than 17.5VDC, PLC will stop operating, all outputs will turn OFF and the ERROR LED will flash

continuously.

DC Input Type

S/S

X0 X 1 X2+24V 24GOV24VDC

DC/DC

2.5A

20VDC~26VDC

 Safety Guidelines

Providing a safe operating environment for personnel and equipment is your responsibility and should be your primary goal

during system planning and installation. Automation systems can fail and may result in situations tha t can cause serious injury

to personnel or damage to equipment. Do not rely on the automation system alone to provide a safe operating environment.

You should use external electromechanical devices, such as relays or limit switches, which are independent of the PLC

application to provide protection for any part of the system that may cause personal injury or damage.

DVP-series PLC input power supply includes two inputs: AC input and DC input. Please take a note of listed items when

operating the PLC.

1. When voltage fluctuations are larger than the specified value, connect a constant-voltage transformer.

2. Connect the AC input (100Vac to 240Vac) to terminals L and N. Any AC voltage connected to the +24V terminal or

input point will permanently damage the PLC.

3. Service power supply: If the system being installed uses the service supply from both the PLC and powered extension

block, then both these units should have their 0V terminals linked. DO NOT however, link the 24V terminals; External

DC supplies should not compromise the SELV aspects of the DVP product.