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5-4

Wiring

WARNING

• Make sure that the voltages and currents that are input to the slaves and Units are

within the specified ranges.

Inputting voltages or currents that are outside of the specified ranges may cause

accidents or fire.

CAUTION

• Be sure that all terminal screws and cable connector screws are tightened to the

torque specified in the relevant manuals. Loose screws may result in fire or mal-

function.

• Do not touch any Unit when power is being supplied or immediately after the power

supply is turned OFF

. Doing so may result in burn injury.

Precautions for Safe Use

Use the methods that are specified in this manual for wiring the terminal blocks.

Precautions for Correct Use

Do not allow wire clippings, shavings, or other foreign material to enter any Unit. Otherwise,

Unit burning, failure, or malfunction may occur. Cover the Units or take other suitable counter-

measures, especially during wiring work.

5-4-1

Wiring the Unit Power Supply

This section describes the wiring of the Unit power supply to the Unit power supply terminals on the

CPU Unit.

Unit power

supply

(24 VDC)

Through-wiring for

unwired terminals

Ground of

100 Ω or less

24 V

0 V

A1 B1

A8 B8

5 Installation and Wiring

5-36

NX-series NX502 CPU Unit Hardware User's Manual (W629)

Omron NX Series Hardware User Manual

Other manuals for Omron NX Series