State LEDs

The ETHERCAT state is shown by the ETHERCAT communication module’s LEDs. Some LEDs are two-colored.

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Meaning of the diagnosis LEDs
LED Color Status Description
PWR Green On Power supply available
Blinking —
Off Power supply not available or defective hardware
RDY Yellow On Boot procedure
Blinking Boot failure
Off —
RUN Green On Communication module is operational
Blinking —
Off Communication module is not operational
STA1 ETHCAT Green On No bus error, communication running
Blinking Establishing communication
Off System error
STA2 ETHCAT Red On Configuration error
Blinking —
Off No error

The RJ45 ETHERNET connector contains two LEDs showing the current ETHERNET port connection state.

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Meaning of the diagnosis LEDs
LED Color State Description
ETHCAT1 LED “Link” Green On ETHERNET connection established
Off No ETHERNET connection
ETHCAT1 LED “RX/TX” Yellow On Device sends/receives frames
Off No ETHERNET connection
ETHCAT2 LED “Link” Green   Connector ETHCAT2 is not used
ETHCAT2 LED “RX/TX” Yellow