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LED Display

The operation state of CC-Link can be confirmed from the LED status as shown in the table below.

LED Name

Color

Status

Description (common errors)

SYS

Green

Turned ON

・Unit is in normal state.

Green/Yellow

Blinking

・Running

Yellow

Turned ON

・Running

-

Turned OFF

・Controller is turned off.

L RUN - Turned OFF

・Preparing

・Timeout

・Resetting

Green

Turned ON ・Normal communication
L ERR - Turned OFF

・Normal communication

・Resetting

Red Blinking ・Setting at the reset cancellation is changed.
Red Turned ON

・CRC error

・Address parameter error

・Setting error in baud rate

 

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