Chapter 10 Troubleshooting
: CANopen PDO receive buffer overrun
Potential Cause Checking Method Corrective Actions
PDO Rx buffer
overrun is detected
(receive two or more
PDO packets in
1ms).
Check if the servo drive (Master)
receives
two or more PDO (same COB-ID) packets
in 1ms.
NMT Maser send “Reset
node“ command to its slave or
reset the fault by sending the
control word (0x6040) through
CAN communication (the
value
of CANopen object 0x6040
should be reset)
: Index error occurs when accessing PDO object
Potential Cause Checking Method Corrective Actions
The specified Index
in the message does
not exist.
Check if the Entry index value in PDO
mapping is changed when accessing
PDO object.
NMT Maser send “Reset
node“ command to its slave or
reset the fault by sending the
control word (0x6040) through
CAN communication (the value
of CANopen object 0x6040
should be reset)
: Sub-index error occurs when accessing PDO object
Potential Cause Checking Method Corrective Actions
The specified Sub-
index in the
message does not
exist.
Check if the Entry Sub-index value in
PDO mapping is changed when
accessing PDO object.
NMT Maser send “Reset
node“ command to its slave or
reset the fault by sending the
control word (0x6040) through
CAN communication (the value
of CANopen object 0x6040
should be reset)
: Data type (size) error occurs when accessing PDO object
Potential Cause Checking Method Corrective Actions
The data length in
the message does
not match the
specified object.
Check if the Entry data length in PDO
mapping is changed when accessing
PDO object.
NMT Maser send “Reset
node“ command to its slave or
reset the fault by sending the
control word (0x6040) through
CAN communication (the value
of CANopen object 0x6040
should be reset)
10-16 Revision January 2011
Call 1(800)985-6929 for Sales
Call 1(800)985-6929 for Sales