YASKAWA SGM7D-30F Product Manual page 192

Alarm Number:
Possible Cause
Alarm Name
The servo was turned
ON after the position
A.d01:
deviation exceeded
Position Devia-
the setting of Pn526
tion Overflow
(Excessive Position
Alarm at Servo
Deviation Alarm Level
ON
at Servo ON) while the
servo was OFF.
If position deviation
remains in the devia-
tion counter, the set-
ting of Pn529 or
Pn584 (Speed Limit
A.d02: Level at Servo ON)
limits the speed when
Position Devia-
the servo is turned
tion Overflow
ON. This alarm occurs
Alarm for Speed
if a position reference
Limit at Servo ON
is input and the set-
ting of Pn520 (Exces-
sive Position Deviation
Alarm Level) is
exceeded.
The motor direction
and external encoder
installation orientation
A.d10:
are backward.
Motor-Load Posi-
tion Deviation
Overflow
There is an error in the
connection between
the load (e.g., stage)
and external encoder
coupling.
A.d30:
The position data
exceeded
Position Data
±1,879,048,192.
Overflow
The MECHATROLINK
transmission cycle
fluctuated.
A.E02:
MECHATROLINK
Internal Synchro-
nization Error 1
A failure occurred in
the SERVOPACK.
A.E40:
The setting of
MECHATROLINK
MECHATROLINK
transmission cycle is
Transmission
outside of the speci-
Cycle Setting
fied range.
Error
A.E41:
The number of trans-
MECHATROLINK
mission bytes set on
Communications
DIP switch S3 is not
Data Size Setting
correct.
Error
3.3 FT82 SERVOPACK with MECHATROLINK-III Communications References
Confirmation
Check the position
deviation while the
servo is OFF.
–
Check the motor direc-
tion and the external
encoder installation ori-
entation.
Check the coupling of
the external encoder.
Check the input refer-
ence pulse counter.
–
–
Check the setting of the
MECHATROLINK trans-
mission cycle.
Check the
MECHATROLINK com-
munications data size of
the host controller.
3.3.3 Troubleshooting Alarms
Continued from previous page.
Correction
Optimize the setting of
Pn526 (Excessive Position
Deviation Alarm Level at
Servo ON).
Optimize the setting of
Pn520 (Excessive Position
Deviation Alarm Level). Or,
adjust the setting of
Pn529 or Pn584 (Speed
Limit Level at Servo ON).
Install the external
encoder in the opposite
direction, or change the
setting of Pn002 =
n.X (External
Encoder Usage) to
reverse the direction.
Check the mechanical
coupling.
Reconsider the operating
specifications.
Remove the cause of
transmission cycle fluctu-
ation at the host control-
ler.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Set the MECHATROLINK
transmission cycle to an
appropriate value.
Reset DIP switch S3 to
change the number of
transmission bytes to an
appropriate value.
Continued on next page.
Reference
*1
*1
–
–
–
–
–
*1
3
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