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7.1.7 CAN
Use this section to troubleshoot any problems encountered when connecting to CAN. Full details of
setting up CAN devices can be found in Appendix B.
For information about CAN error messages reported through Mint, see the Mint v4 Programming Guide.
Problem
Check
TheCAN1LEDis
illuminated red
The CAN1 bus is off.
Check that there is a 24VDC supply to the CAN network.
Check that all nodes are running at the same baud rate.
Check the CAN cable.
Check for sources of errors on the bus.
Type CANBUSRESET to reset the bus.
The CAN1 LED is flashing
red
The CAN bus is passive. This means that the bus is operational but
errors are o ccurring.
Check that all nodes are running at the same baud rate.
Check that each node has been assigned a unique NodeID.
Check that the network has been terminated at each end. If the
MintDrive is at the end of the network, check that the CAN1 switch on
the front panel is in the ON position.
Check the CAN cable.
Check for sources of errors on the bus.
Type CANBUSRESET to reset the bus.
TheCAN2LEDis
illuminated red.
The CAN2 bus is off.
Check that there is a 24VDC supply to the CAN network.
Check that all nodes are running at the same baud rate.
Check the CAN cable.
Check for sources of errors on the bus.
Type CANBUSRESET to reset the bus.