Chapter 10 Troubleshooting
: Error occurs when reading CANopen PDO object from EE-PROM
Potential Cause Checking Method Corrective Actions
An error occurs
when loading the
default settings
from EE-PROM at
start-up. All
CANopen objects
return to their
default settings
automatically.
Check if it causes an error when the
specified object reads EE-PROM 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)
: Error occurs when writing CANopen PDO object into EE-PROM
Potential Cause Checking Method Corrective Actions
An error occurs
when writing the
current settings into
EE-PROM.
Check if it causes an error when the
specified object writes EE-PROM 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)
: EE-PROM invalid address range
Potential Cause Checking Method Corrective Actions
The amount of the
data saved in EE-
PROM has exceeded
the space
determined by the
firmware. Maybe the
firmware version has
been upgraded, and
it causes that the
data of old firmware
version saved in EE-
PROM cannot be
used.
Check if the specified object lets the
address range of EE-PROM exceed the
specification 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)
: EE-PROM checksum error
Potential Cause Checking Method Corrective Actions
The data saved in
EE-PROM has been
damaged and all
CANopen objects
return to their
default settings
automatically.
Check if the specified object results in
the checksum error of EE-PROM 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)
10-18 Revision January 2011
Call 1(800)985-6929 for Sales
Call 1(800)985-6929 for Sales
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