www.baldormotion.com
7-8 Troubleshooting
MN1928
7.2.7 Baldor CAN
Symptom
Check
The Baldor CAN bus
is ‘passive’
This means that the internal CAN controller in the NextMove ES is
experiencing a number of Tx and/or Rx errors, greater than the
passive threshold of 127.
Check:
H
12-24 V is being applied to pin 5 of the RJ45 CAN
connector, to power the opto-isolators.
H
There is at least one other Baldor CAN node in the
network, with jumpers JP1 and JP2 in the ‘1’ (lower)
position.
H
The network is terminated
only
at the ends, not at
intermediate nodes.
H
All nodes on the network are running at the same
baud rate.
H
All nodes have been assigned a unique node ID.
H
The integrity of the CAN cables.
The NextMove ES should recover from the ‘passive’ state once the
problem has been rectified.
The Baldor CAN bus
is ‘off’
This means that the internal CAN controller in the NextMove ES has
experienced a fatal number of Tx and/or Rx errors, greater than the
off threshold of 255.
At this point the node will have switched itself to a state whereby it
cannot influence the bus.
Check:
H
12-24 V is being applied to pin 5 of the RJ45 CAN
connector, to power the opto-isolators.
H
There is at least one other Baldor CAN node in the
network, with jumpers JP1 and JP2 in the ‘1’ (lower)
position.
H
The network is terminated
only
at the ends, not at
intermediate nodes.
H
All nodes on the network are running at the same
baud rate.
H
All nodes have been assigned a unique node ID.
H
The integrity of the CAN cables.
To recover from the ‘off’ state the bus must be reset. This can be
done using the Mint
BUSRESET
keyword, or by resetting the
NextMove ES.
Servo Systems Co. • 115 Main Road • P.O. Box 97 • Montville, NJ,
07045-0097 • (973) 335-1007 • Toll Free: (800) 922-1103
Fax: (973) 335-1661 • www.servosystems.com
