![SEW-Eurodrive MOVIDRIVE MOVI-PLC DHP11B Manual Download Page 63](http://html.mh-extra.com/html/sew-eurodrive/movidrive-movi-plc-dhp11b/movidrive-movi-plc-dhp11b_manual_1250110063.webp)
Manual – MOVIDRIVE® MDX61B MOVI-PLC® DHP11B Control Card
63
7
Diagnostic procedure for system buses CAN 1 / CAN 2
Error Diagnostics
7
Error Diagnostics
7.1
Diagnostic procedure for system buses CAN 1 / CAN 2
Diagnostic problem: Communication via system bus CAN 1 or CAN 2
does not work.
Initial status:
•
System bus CAN 1 or CAN 2 is connected correctly.
•
Communication via system bus CAN 1 or CAN 2 is programmed.
↓
Is the bus connector plugged in?
No
→
[A]
Yes
↓
Response of the LEDs CAN 1 status
or CAN 2 status?
Orange
→
[B]
Green
→
[C]
Lights up or flashes red
↓
System bus CAN 1 or CAN 2 is not operating
or communication of the system bus is faulty.
↓
[A]
↓
Check the set baud rate.
↓
Baud rate OK?
No
→
[D]
Yes
↓
Make sure that terminating resistors are connected properly.
[A]
Check the bus cabling!
[B]
System bus CAN 1 or CAN 2 is being initialized.
[C]
Bus communication is OK.
↓
Check the application program!
[D]
Correct the baud rate!