LEDs

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LEDs

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CC-Link Slave LEDs

 

The communication status LEDs are used to represent the CC-Link Slave status. There are two LEDs:  L RUN and L ERR.

 

LED

Color

State

Meaning

L RUN

LED green

Green

On

After establishing the connection with the CC-Link network, the device is receiving the cyclic data

Off

Off

1. Connection with network not yet established
2. No carrier can be recognized
3. Timeout occurred
4. Hardware reset happened

L ERR

LED red

red

blinking

Switch position has been changed while pulling the reset (It blinks for 0.4 seconds)

red

On

1. CRC error

2. Address parameter error (Address 0, or greater than 64 is set, including number of occupied stations)

3. Error in settings of baud rate switches while pulling the reset (5 or greater)

Off

Off

1. Normal communication
2. Hardware is resetting