15. USING A DIRECT DRIVE MOTOR
15 - 17
15.4 Characteristics
15.4.1 Overload protection characteristics
An electronic thermal relay is built in the servo amplifier to protect the servo amplifier, the direct drive motor,
and direct drive motor power wires from overloads.
[AL. 50 Overload 1] occurs if overload operation performed is above the electronic thermal relay protection
curve shown in Fig. 15.2 [AL. 51 Overload 2] occurs if the maximum current is applied continuously for
several seconds due to machine collision, etc. Use the equipment on the left-side area of the continuous or
broken line in the graph.
When unbalanced torque is generated, such as in a vertical lift machine, the unbalanced torque of the
machine should be kept at 70% or lower of the motor's rated torque.
This servo amplifier has solid-state direct drive motor overload protection for each axis. (The direct drive
motor overload current (full load current) is set on the basis of 120% rated current of the servo amplifier.)
Содержание MR-J4-100B(-RJ)
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Страница 143: ...4 STARTUP 4 20 MEMO ...
Страница 199: ...5 PARAMETERS 5 56 MEMO ...
Страница 227: ...6 NORMAL GAIN ADJUSTMENT 6 28 MEMO ...
Страница 281: ...8 TROUBLESHOOTING 8 16 MEMO ...
Страница 303: ...9 DIMENSIONS 9 22 MEMO ...
Страница 319: ...10 CHARACTERISTICS 10 16 MEMO ...
Страница 429: ...11 OPTIONS AND PERIPHERAL EQUIPMENT 11 110 MEMO ...
Страница 435: ...12 ABSOLUTE POSITION DETECTION SYSTEM 12 6 MEMO ...
Страница 483: ...14 USING A LINEAR SERVO MOTOR 14 34 MEMO ...
Страница 531: ...16 FULLY CLOSED LOOP SYSTEM 16 26 MEMO ...
Страница 613: ...17 APPLICATION OF FUNCTIONS 17 82 MEMO ...
Страница 653: ...APPENDIX App 40 This certificate is valid until 2017 02 28 After March 2017 use certificate shown on the previous page ...
Страница 654: ...APPENDIX App 41 ...