Behavior of the SmartWire-DT
gateway
109
02/11 MN05006002Z-EN
CAN LED (status of CANopen field bus)
Table 19:
Diagnosis with the aid of the CAN LED
Event
Explanation
Remedy
LED green contin-
uous light
Operational status: Data exchange takes place
through the CAN bus.
–
LED off
No communication takes place on the CAN-Bus.
Check the connec-
tion to the
CANopen master.
LED red strobe light
Baud rate detection on the CAN bus is active. No data
exchange takes place on the CAN bus.
–
LED orange contin-
uous light
CAN baud rate detected. Waiting for target configura-
tion. No data exchange taking place on the CAN bus.
–
LED flashing red
(single flash)
Communication error on the CAN bus.
(Error warning level reached.) Data exchange takes
place with the CAN bus.
–
LED flashing red
(double-flash)
Monitoring error (node guarding/heartbeat)
–
LED red continuous
light
Communication error on the CAN bus. (Bus off)
No data exchange takes place on the CAN bus.
–
LED green flashing
Status Pre-operational initialisation mode, communi-
cation is only possible via SDOs.
Check field bus
addresses
Configuration error
LED flashing green
(single flash)
Status Stopped: no data exchange
–
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