3.3. LED indicator (CiA303-3)
CAN LED indicate CANopen communication Status and Error condition.
3.4. CAN LED indicator
The flashing pattern of RUN LED depends on each state at the normal status. See the following table.
CAN RUN Status Green LED
CAN ERR Status Red LED
The device is in state
PRE-OPERATIONAL
The device is in state STOPPED
The device is in state
OPERATIONAL
The flashing pattern of ERR LED depends on each state at the abnormal status. See the following table.
CAN RUN Status Green LED
CAN ERR Status Red LED
The device is in working condition
At least one of the error counters of
the CAN controller has reached or
exceeded the warning level (too
many error frames)
A guard event (NMT-slave or
NMT-master) or a heartbeat event
(heartbeat consumer) has occurred
The CAN controller is bus off