Chapter 6 Control Modes of Operation
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ASDA-B Series
6-36
Revision January, 2009
When the servo motor runs with load, the allowable frequencies will change according to the changes of
the load inertia and rotation speed. Use the following equation to calculate the allowable frequency.
Allowable fr equency =
Allowable frequency when serv o motor run without load
m + 1
x
Rated s peed
Operating speed
times
mi n.
2
m = load/motor inertia ratio
The users can select the adequate regenerative resistors according to the allowable frequencies by
referring to the table below:
Allowable frequency when the servo motor run without load (times/min)
100W
200W
300W
400W
(60mm)
400W
(80mm)
ECMA Series
Regenerative
Resistors
01
02
03
04
04
BR400W040 - - -
8608
3279
BR1K0W020 - - -
21517
8765
500W
600W
750W
900W
1.0kW
(100 mm)
ECMA Series
Regenerative
Resistors
05
06
07
09
10
BR400W040 291 283 2128 213 925
BR1K0W020 729 708 5274 533 2312
1.0KW
(130mm)
1.5KW
2.0kW
(100mm)
2.0KW
(130mm)
2.0KW
(180mm)
ECMA Series
Regenerative
Resistors
10
15
20
20
20
BR400W040 283 213 562 163 68
BR1K0W020 708 533 1363 408 171
( ) : motor frame size, unit is in millimeters.
Table 6.L
6.6.4 Electromagnetic Brake
When the servo drive is operating, if the digital output BRKR is set to Off, it indicates the
electromagnetic brake is disabled and motor is stop running and locked. If the digital output BRKR is set
to ON, it indicates electromagnetic brake is enabled and motor can run freely.
There are two parameters that affect the electromagnetic brake. One is parameter P1-42 (MBT1) and
the other is parameter P1-43 (MBT2). The users can use these two parameters to set the On and Off
delay time of electromagnetic brake. The electromagnetic brake is usually used in perpendicular axis (Z-
axis) direction to reduce the large energy generated from servo motor. Using electromagnetic brake can
avoid the load may slip since there is no motor holding torque when power is off. Without using
electromagnetic brake may reduce the life of servo motor. To avoid malfunction, the electromagnetic
brake should be activated after servo system is off (Servo Off).
Содержание ASD-B0121-A
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Страница 18: ...Chapter 1 Unpacking Check and Model Explanation ASDA B Series Revision January 2009 1 5 ECMA Series Servo Motor...
Страница 53: ...Chapter 3 Connections and Wiring ASDA B Series 3 28 Revision January 2009 3 6 2 Speed Control Mode...
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Страница 277: ...Chapter 11 Specifications ASDA B Series 11 10 Revision January 2009 11 4 Servo Motor Speed Torque Curves T N Curve...
Страница 291: ...Chapter 12 Application Examples ASDA B Series 12 2 Revision January 2009 PLC Program...
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Страница 297: ...Chapter 12 Application Examples ASDA B Series 12 8 Revision January 2009 Position Control 1...
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Страница 305: ...Chapter 12 Application Examples ASDA B Series 12 16 Revision January 2009 Connecting to Delta DVP 01PU...
Страница 306: ...Chapter 12 Application Examples ASDA B Series Revision January 2009 12 17 Connecting to Mitsubishi FX1PG...
Страница 307: ...Chapter 12 Application Examples ASDA B Series 12 18 Revision January 2009 Connecting to Mitsubishi FX2N1PG...
Страница 308: ...Chapter 12 Application Examples ASDA B Series Revision January 2009 12 19 Connecting to Mitsubishi AD75...
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