Autonics AiC-D-20LA, Руководство пользователя

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12 Protection Function
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12 Protection Function
12.1 Alarm

This function stops motor to protect driver, depending on the error status such as over
current or over speed.

After removing the cause of alarm, re-supply power or apply the signal on Alarm Reset,
the driver returns to the normal status.
※ Depending on the alarm/warning type, it displays as a segment and indicator on
the Alarm/Status display part.
※ When alarm/warning occurs, indicators flash with interval of 0.4 sec and turn OFF with
interval of 0.8 sec until the alarm/warning is cleared.
<E.g. In case of alarm no. 3>
1) Motor stops, torque releases and brake locks
No. of
flashing Alarm
type
Descriptions Causes Troubleshooting
1
Over
current
error
When over
current flows
at motor RUN
element
1. Over load
2. Insufficient SMPS capacity
1. Change operation condition or
reduce load so that sudden load
fluctuation does not occur.
2. Check that less than the
recommended SMPS capacity is
used.
3. Check driver break.
2
Over
speed
error When motor
speed is over
4,000rpm
1. When overload is applied
and released at a moment.
2. Turning more than 4,000
rpm by external force.
1. Change operation condition or
reduce load so that sudden load
fluctuation does not occur.
2. Change the operating condition so
that the motor does not rotate more
than 4,000 rpm.
3
Position
tracking
error
When the gap
between
position
command
value and
current
position value
is over 90°
1. Over load
2. Motor connector and cable
connection error
3. Burnout of line driver IC in
encoder
1. Change operation condition or
reduce load so that sudden load
fluctuation does not occur.
2. Check motor connector and cable
connection.
3. Replace the line driver IC in
encoder.
4
Overload
error
When
applying load
over the rated
load for over 1
sec.
1. Over load
2. Insufficient SMPS capacity
1. Change operation condition or
reduce load so that sudden load
fluctuation does not occur.
2. Check that less than the
recommended SMPS capacity is
used.
3. Check driver break.