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Chapter 3. Diagnosis of the Option Status and LED Definition
54
LED LED Signal
Option
Status
Possible Cause
Action
Kept OFF
CANopen
Stopped
If the NODE LED
has been lit at
least by once, the
CANopen Master
has issued a
Stopped
command.
Normal status.
Blinks
synchronous
ly with the
CPU LED
CANopen
Pre-
Operational
CANopen
communication
available with the
master, but the
connection with
the Master has not
been made yet.
Normal status.
Kept ON
CANopen
Operational
Master has been
connected and
communicating
with the CANopen
normally.
Normal status.
BUS
Kept ON
CANopen
Network Bus
No Error
No problem in the
CANopen
Network.
Normal status.
Blinks
synchronous
ly with the
CPU LED
CANopen
Profile Setting
Error
The profile set up
on the CANopen
Master differs
from that set up in
the Option.
Check that the
PDOs set up in the
Master and Option
are identical.
Blinks at an
interval
twice as
long as that
of the CPU
LED
PDO
Communicati
on
Not
Connected
CANopen’s
communication
speed is different.
Check that the baud
rate of the CANopen
set up in the Master
and that in the
Option are identical.
Blinks at an
interval
PDO
Communicati
Master has not
been connected
Check that the
Master has started