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YASKAWA SGM-A3 - Wiring

YASKAWA SGM-A3
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479
Alarm Display
Di i l
7-
S
Alarm Output
Alarm Name Meaning Remarks
py
on Digital
Operator
Segment
LED
Alarm Code Output
ALM
O
g
O
perator
LED
ALO1 AL02 AL03
Output
OFF OFF OFF OFF Absolute
encoder
backup error
All three power supplies
for the absolute encoder
(+5 V, battery and
internal capacitor) have
failed.
For
absolute
encoder
only
OFF OFF OFF OFF Absolute
encoder
checksum error
The checksum results of
absolute encoder
memory is abnormal.
For
absolute
encoder
only
OFF OFF OFF OFF Absolute
encoder
battery error
Battery voltage for the
absolute encoder is
abnormal.
For
absolute
encoder
only
OFF OFF OFF OFF Absolute
encoder data
error
The checksum results of
absolute encoder
memory is abnormal.
For
absolute
encoder
only
OFF OFF OFF OFF Absolute
encoder
overspeed
The motor was running
at a speed exceeding
400 r/min when the
absolute encoder was
turned ON.
For
absolute
encoder
only
OFF OFF OFF OFF Reference
input read error
Servopack CPU failed to
detect reference input.
ON OFF ON OFF Servo overun
detected
The servomotor
(encoder) ran out of
control.
ON OFF ON OFF Encoder output
phase error
Incremental
encoder initial
pulse error
Phases A, B and C
output by the encoder
are abnormal.
Wiring of encoder phase
A or B is disconnected.
ON OFF ON OFF Encoder A-,
B-phase
disconnection
Phases A, B and C
output by the encoder
are abnormal.
ON OFF ON OFF Encoder
C-phase
disconnection
Wiring of encoder
phases C is
disconnected.
ON OFF ON OFF Full-closed
loop A-,
B-phase
disconnection
A-, B-phase of external
PG is disconnected.
Only for
full-closed
specifi-
cation
ON OFF ON OFF Full-closed
loop C-phase
disconnection
C-phase of external PG
is disconnected.
Only for
full-closed
specifi-
cation
OFF: Output transistor is OFF
ON
: Output transistor is ON
E

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