YASKAWA SGD7S series Product Manual page 155

Alarm Number:
Possible Cause
Alarm Name
The station address is
outside of the setting
range.
A.E42:
MECHATROLINK
Station Address
Setting Error
Two or more stations
on the communica-
tions network have
the same address.
The WDT data in the
host controller was
not updated normally.
*4
A.E50 :
MECHATROLINK
Synchronization
A failure occurred in
Error
the SERVOPACK.
The WDT data at the
host controller was
not updated correctly
at the start of syn-
chronous communi-
cations, so
A.E51:
synchronous commu-
MECHATROLINK
nications could not be
Synchronization
started.
Failed
A failure occurred in
the SERVOPACK.
MECHATROLINK wir-
ing is not correct.
A MECHATROLINK
*4
A.E60 :
data reception error
Reception Error in
occurred due to
MECHATROLINK
noise.
Communications
A failure occurred in
the SERVOPACK.
4.2 SERVOPACKs with MECHATROLINK-III Communications References
Confirmation
Check rotary switches
S1 and S2 to see if the
station address is
between 03 and EF.
Check to see if two or
more stations on the
communications net-
work have the same
address.
Check to see if the WDT
data is being updated at
the host controller.
–
Check to see if the WDT
data is being updated in
the host controller.
–
Check the MECHA-
TROLINK wiring.
–
–
4.2.3 Troubleshooting Alarms
Continued from previous page.
Correction
Check the setting of the
station address of the
host controller, and reset
rotary switches S1 and S2
to change the address to
an appropriate value
between 03 and EF.
Check the setting of the
station address of the
host controller, and reset
rotary switches S1 and S2
to change the address to
an appropriate value
between 03 and EF.
Correctly update the WDT
data at the host controller.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Correctly update the WDT
data at the host controller.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Correct the MECHA-
TROLINK Communica-
tions Cable wiring.
Correctly connect the ter-
minator.
Implement countermea-
sures against noise.
(Check the MECHA-
TROLINK Communica-
tions Cable and FG
wiring, and implement
measures such as attach-
ing a ferrite core to the
MECHATROLINK Com-
munications Cable.)
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Continued on next page.
Reference
*1
*1
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