20 (28)
7
Operation
Fig. 7
LED arrays industrial rail version and automotive version
1
Power LED
2
CAN 1 LED
3
CAN 2 LED
4
SER LED (automotive: COM LED)
7.1
Automatic Baud Rate Detection Sequence
During the automatic baud rate detection CAN 1 LED (
3
), CAN 2 LED (
4
) and PWR LED (
1
) indicate
the status.
Status
CAN 1 LED
CAN 2 LED
PWR LED
Automatic baud rate detection
active on both channels
Red flashing
Red flashing
Red flashing
Baud rate detected on CAN 1, baud
rate detection on CAN 2 active
Green flashing
Red flashing
Red flashing
Baud rate on CAN 2 detected or
adopted from CAN 1,
communication present
Green flashing
Green flashing
Green
7.2
Power LED (PWR)
LED state
Description
Comments
Green
Connected to power supply,
microcontroller installed
Device is ready to use.
Red
Watchdog reset
-
Red flashing (1 Hz)
Automatic baud rate detection
If no baud rate detected, permanently red.
7.3
CAN 1/CAN 2 LED
LED state
Description
Comments
Green
Message received or transmitted
without errors
-
Red flashing
Message received or transmitted,
error warning
level reached
-
Red
Bus off
No communication possible
CANbridge User Manual
4.01.0120.20000 2.1 en-US