Omron OMNUC FND Series User Manual page 207

Application
Alarm dis- Error content
play
A.L32 Resolver error
A.L34 + Software limit
over
A.L35 – Software limit
over
A.L37 Coordinate
counter over
[The present [Th
value exceeded
31
2 .]
A.L38 Overrun
[ [
The limit input
signal in the
direction of
movement turned movement turned
OFF during an
operation other
than origin than origin
search.]
A.L40 Encoder discon-
nection
A.L41 Encoder commu-
nications error
( (see note 1) t 1)
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Condition when
error occurred
Occurred when
power was turned
ON. ON
Occurred during
operation.
Occurred during
operation.
Occurred during
shaft movement.
t
Occurred during
shaft movement.
Occurred when
beginning.
Occurred after
moving just a little g j
at the beginning. t th b i i
Occurred when
power was turned
ON. ON
Occurred when
power was turned
ON. ON
Probable cause
The resolver cable is discon-
nected.
The resolver cable wiring is
incorrect.
The UP-02 (applicable motor)
setting is wrong.
The reference value set in
PP-10 and PP-11 was
exceeded.
The reference value set in
PP-12 and PP-13 was
exceeded.
The reference value is too
large.
Feedback control is being
employed in PTC control
mode.
The reference value is too
large.
The limit sensor's position is
incorrect.
The limit sensor's polarity is
incorrect.
The limit sensor is broken.
The encoder's lines are dis-
connected.
There is poor contact at the
connectors.
The encoder's wiring is incor-
rect.
The encoder is damaged.
The Driver is damaged.
The UP-02 (applicable motor)
setting is wrong.
The encoder cable is loose.
The UP-02 (applicable motor)
setting is wrong.
The encoder S-phase wiring
is incorrect.
Chapter 4
Countermeasures
Connect any disconnected
places.
Correct the wiring.
Set the motor model code cor-
rectly.
Reset the alarm and use
JOG or manual operation to
release from the software
limit.
Correct the reference value.
Correct the PP-10 and
PP-11 values.
Reset the alarm and use
JOG or manual operation to
release from the software
limit.
Correct the reference value.
Correct the PP-12 and
PP-13 values.
Correct the reference value.
Correctly set the control mode
(UP-01). (After setting the
data, turn the power OFF and
back ON.)
Correct the reference value.
Correct the limit sensor's
position.
Wire the sensor so that it
turns ON during normal
operation.
Replace the limit sensor.
Connect any disconnected
places.
Make sure the connectors are
inserted firmly and locked into
place.
Correct the wiring.
Replace the motor.
Replace the Driver.
Set the motor model code cor-
rectly.
Make sure the connectors are
inserted firmly and locked into
place.
Set the motor model code cor-
rectly.
Correct the wiring.
4-15