Error LED (2)

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Error LED (2)

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This LED indicates EtherCAT communication errors etc.

LED State

Indication

Description

Off

No error

No error (or no power)

Red, blinking

Invalid configuration

State change received from master is not possible due to invalid register or object settings.

Red, single flash

Unsolicited state change

Slave device application has changed the EtherCAT state autonomously; parameter ‘Change’ in the AL status register is set to 01h (change/error).

Red, double flash

Application watchdog timeout

Sync manager watchdog timeout

Reda)

Application controller is not responding any more

EXCEPTION state

a) If RUN and ERR turns red, this indicates a fatal event, forcing the bus interface to a physically        passive state.