Omron OMNUC G5 R88M-K series User Manual page 412

11-4 Troubleshooting
Alarm
Error conditions
number
25 Excessive hybrid
deviation error
26 Overspeed
27 Command pulse error
11
11-19
Status when error
occurs
Occurs for full closing
control.
Occurs during high-speed
rotation.
Occurs when torque limit
switching function is used.
Occurs during a trial
operation.
Occurs when control
signal is input or
command is input.
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
Cause
• There is deviation • Check the motor and
between the load
position according to • Check the external
the external encoder
and the motor position
according to the • Check the external
encoder.
• The speed command • Give a speed
input is too large.
• The setting for the • Set the electronic gear
Electronic Gear Ratio
Numerator (Pn009) is
not appropriate.
• The speed exceeds the • Adjust the gain.
maximum rotation • Reduce the maximum
speed due to
overshooting.
• The encoder is wired • Wire correctly.
incorrectly.
• The set value for the • When the torque limit
Overspeed Detection
Level Setting (Pn513)
is exceeded.
• The multi-turn counter • Turn off the control
of the absolute
encoder was cleared
by the CX-Drive.
• MECHATROLINK-II • Do not establish
communication is
established during CX-
Drive trial operation.
• The speed command • Confirm the speed
exceeds the limit.
• The position command • Confirm the position
variation during
interpolation and
others is too large.
• The setting for the • Set the electronic gear
Electronic Gear Ratio
Numerator (Pn009) is
not appropriate.
• Backlash • Reduce the backlash
compensation amount
is too large.
Measures
load connection.
encoder and drive
connection.
encoder load position
and encoder motor
position settings.
command of 500 Kpps
or lower.
ratio in a way to give
the speed command of
500 Kpps or lower.
command speed.
switching function is
used, set the motor
operating speed range
correctly on the Error
Counter Overflow
Level (Pn014).
power, and turn it on
again.
MECHATROLINK-II
communications
during CX-Drive trial
operation.
command.
command variation
volume.
ratio numerator so that the
command pulse frequency
is 500 Kpps max.
compensation amount.