Omron OMNUC G5 R88M-K series User Manual page 417

Alarm
Error conditions
number
83 Communications error
84 Transmission cycle
error
86 Watchdog data error
87 Forced alarm input error Occurs during operation.
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
Status when error
occurs
Occurs during operation.
• The data to be
Occurs when the power is
• An error occurred
turned on.
Occurs when the
• In the asynchronous
operation starts up.
• While the
Occurs during operation.
• An error occurred in
• An Emergency Stop
11-4 Troubleshooting
Cause
• Wire the
received during the MECHATROLINK-II
MECHATROLINK-II communications cable
communication cycles correctly.
was not received. The • Connect the
failures continued in Terminating Resistor
series more often than correctly.
the value set on the • Confirm that the
Communications MECHATROLINK-II
Control Setting communications cable
(Pn800). does not have
excessive noise.
Mount a ferrite core to
the communications
cable.
• Increase the detection
setting on the Pn800.
• Turn off the power
when the once, and turn it on
synchronization is again.
established. • Replace the
Servomotor.
• Replace the Servo
Drive with a new one.
• Wire the
MECHATROLINK-II MECHATROLINK-II
communications state, communications cable
a communication error correctly.
occurs while • Connect the
SYNC_SET command Terminating Resistor
is executed. correctly.
• Confirm the
MECHATROLINK-II
MECHATROLINK-II
communications cable
communication
do not have excessive
connection is being
noise. Mount a ferrite
established, the
core to the
synchronization
communications cable.
frames (SYNC) were
not received according
to transmission cycle.
• Confirm the updating
the synchronization process of the
data of watchdog data by the
MECHATROLINK-II host controller.
communications.
• Turn OFF the
(STOP) signal was Emergency Stop
entered. (STOP) signal.
Measures
11
11-24