ASDA-A3 Specifications
Revision December, 2017
A-15
A
A.2.4 Overload features
Definition of overload protection
The overload protection prevents the motor from overheating.
Causes of overloading
1. The motor’s rated torque exceeds the rated range and the operation time is too long.
2. The inertia ratio is too high and the motor frequently accelerates and decelerates.
3. An incorrect connection between the power cable and the encoder wiring.
4. Incorrect servo gain setting causes resonance in the motor.
5. You operate a motor with a built-in brake without releasing the brake.
Graph of load and operating time
Low inertia (ECM-A3L series)
Load Operating time
120%
263.8 s
140%
35.2 s
160%
17.6 s
180%
11.2 s
200%
8 s
220%
6.1 s
240%
4.8 s
260%
3.9 s
280%
3.3 s
300%
2.8 s
Содержание ASD-A3-0121
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