Delta-electronics AC Servo Drive ASDA-B Manual de usuario descargar pdf (Pagina 278)

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101

Chapter 11 Specifications|ASDA-B Series

Revision February 2008, Doc. Name: 2006PDD23000009 11-11

11.5 Overload Characteristics

 Overload Protection Function

Overload protection is a built-in protective function to prevent a motor from overheating.

 Occasion of Overload

1. Motor was operated for several seconds under a torque exceeding 100% torque.

2. Motor had driven high inertia machine and had accelerated and decelerated at high frequency.

3. Motor UVW cable or encoder cable was not connected correctly.

4. Servo gain was not set properly and caused motor hunting.

5. Motor holding brake was not released.

 Chart of load and operating time (ECMAC30401S)

0.1

100

1000

0 50 100 150 200 250 300

Load (%) rated torque

Operating Time (seconds)

Load

Operating

Time

120% 139.335s

140% 27.585s

160% 14.235s

180% 8.9625s

200% 6s

220% 4.4925s

240% 3.2925s

260% 2.58s

280% 2.07s

300% 1.6125s

1 2 ... 273 274 275 276 277 278 279 280 281 282 283 ... 320 321

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Delta-electronics AC Servo Drive ASDA-B Manual de usuario Pagina 278

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