Specifications

Using programmable controllers Wiring modules

2 - 8

NOTE Wire the power supply lines for the I/O equipment and the programmable controller separately as

shown below.

LS50003

TERMINOLOGY Isolation transformer A two-winding transformer. The primary and secondary coils are

wound separately to protect the secondary load.

Control panel This is a panel that consists of breakers, switches, protection

devices, relays, and programmable controllers, etc.

By combining them, the panel performs the following operation.

앫 Receiving signals from external switches and sensors

앫 Supplying electricity to operate motors and solenoid valves of

external machines and equipment

앫 Giving the signals to other equipment.

100-240 V AC

I/O power supply

Inside of control panel

I/O equipment

Programmable

controller

Main pow-

er supply

Relay ter-

minal

block

Programmable

controller pow-

er supply

Isolation

transformer