YASKAWA YASNAC XRC - Al-1307 (Encoder Type Mismatch)

AL-1307 (ENCODER TYPE MISMATCH)
An alarm
occurs.
Contact your Yaskawa
representative.
Was the motor replaced?
YesNo
Check the type of encoder. (Check before
and after the motor type is changed.)
Alarm?
Yes No
Remove the connectors CNPG123 and
CNPG456 on the corresponding WRCA01
circuit board and re-insert them. (See Fig. 2.)
Alarm?
Yes No
Check the connectors CNPG123 and
CNPG456 on the WRCA01 circuit board.
(The connection of CNPG 123 and CNPG
456.) (See Fig. 2.)
Alarm?
Yes
No
Replace the encoder (or motor).
Alarm?
Yes No
The serial encoder type, 16-bit or 17-bit, is selected
according to the motor type:
A 16-bit encoder for the motor type SGM
!!
-A1A
A 17-bit encoder for SGM
!!
-A2A
A 12-bit absolute encoder for SGM
!!
-AW
SERVOPACK
Fig. 2
CNPG456
CNPG123
Continue normal operation.
Selection of the wrong encoder caused the alarm.
Continue normal operation.
A faulty connection caused the alarm.
Continue normal operation.
The defective encoder caused the alarm.
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