Autonics AiC-D-20LA, User Manual

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12 Protection Function
114 © Copyright Reserved Autonics Co., Ltd.
12.2 Warning

This function notices dangers with the alarm indicator prior to motor stop with limit
signal or over load alarm.

When turning out from the alarming condition, driver returns to the normal status
automatically.
※Even though warning occurs, it drives as normal and it keep allow the current.
※Even though warning occurs, it drives as normal status and it may cause damage by fire.
It is recommended not to use the unit during warning status.
※Depending on the alarm/warning type, it displays on the Alarm/Power indicator.
No. of
flashing Warning
type
Descriptions Causes Troubleshooting
1
S/W
+Limit When normal direction
(CW) software limit is ON
1. When the current
position reaches the
S/W + Limit value
1. Check S/W ± Limit
parameter value.
2
S/W
-Limit When reverse direction
(CCW) software limit is ON
1. When the current
position reaches the
S/W - Limit value
3
H/W
+Limit When normal direction
(CW) hardware limit is ON 1. When + Limit signal
(I/O pin 19) is input
1. Check the ± Limit signal is
input correctly.
2. Check if the ±- Limit signal is
correctly set with the motor
rotation direction.
(CW direction: + Limit,
CCW direction: - Limit)
4
H/W
-Limit When reverse direction
(CCW) hardware limit is ON 1. When - Limit signal
(I/O pin 20) is input
5
Over
load
warning
When maximum load is
kept connected over 10 sec
1. Over load
1. Change operation condition or
reduce load so that sudden
load fluctuation does not
occur.
6
Position
override When it is impossible to
operate position override
1. When value which
position override
cannot be operated
is entered 1. Change operation condition to
avoid sudden position change.