Omron OMNUC G User Manual page 398

8-3 Troubleshooting
Alarm
code
Emergency stop input
87
Transmission cycle
90
91 SYNC command error
Parameter setting
93
95
non-conformity
8
Others
8-13
Alarm Name
The emergency stop input became
OPEN.
error
The transmission cycle setting for
receiving the MECHATROLINK-II
setting error
CONNECT command is incorrect.
A SYNC-related command was
issued while MECHATROLINK-II was
in asynchronous communications
mode.
The electronic gear ratio parameter is
set outside the allowable setting
range. (Less than 1/100 or greater
error
than 100/1)
The combination of the Servomotor
Servomotor
and Servo Drive is not appropriate.
The control circuit malfunctioned due
to excessive noise.
An error occurred within the Servo
Other errors
Drive due to the activation of its
self-diagnosis function.
Cause
Check the power supply and wiring
connected to the emergency stop
input. Check that the emergency stop
input is ON.
Check that the response of the
control signal power supply (12 to 24
VDC) at power-ON is not too slow in
comparison to the startup of the
Servo Drive.
Check the transmission cycle
settings, and resend the CONNECT
command.
Check the command sent from the
master node.
Check the parameter setting.
Use the Servomotor and Servo Drive
in the correct combination.
Turn OFF the power supply, and then
turn it back ON.
If the error continues to occur, there
may be a failure.
Stop the operation, and replace the
Servomotor and Servo Drive.
Countermeasure