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Everest XCR - Product manual | Signalling LEDs
INGENIA | 2020-10-01 00:04:38 34
8.4. CANopen Status LEDs
One Bi-color LED (shared with EtherCAT communication) provides information about the CANopen communication
status, according to CiA 303-3 recommendations . The green LED is the RUN LED , and the red LED is the ERROR LED .
ERROR LED indicates the status of the CAN physical layer and errors due to missed CAN messages (sync, guard or
heartbeat). Next table the meaning of the ERROR LED states:
LED5 - ERROR
LED
state
Concept Description
Off No error Device is in working condition.
Single flash Warning limit
reached At least one of the error counters of the CAN controller has reached or
exceeded the warning level (too many error frames).
Double flash Error control
event A guard event (NMT-slave or NMT-master) or a heartbeat event (heartbeat
consumer) has occurred.
Triple flash Sync error The sync message has not been received within the configured
communication cycle period time out.
On Bus off The CAN controller is bus off.
RUN LED indicates the status of the CANopen network state machine. Next table shows the meaning of the RUN
LED states:
LED4 - RUN LED state Concept Description
Off Off The device is switched off
Blinking Pre-operational The device is in state PRE-OPERATIONAL
Single flash Stopped The device is in state STOPPED
On Operational The device is in state OPERATIONAL
The two green LEDs at the sides are the LINK 0 and LINK 1 LEDs. The LINK LEDs indicates the state of the Ethernet
physical link activity:
LINK LED state Slave State
Off Port closed
Flickering Port opened (activity on port)