Mitsubishi Electric MELSERVO-J4 Series Instruction Manual page 316

■Characteristics d
1000
100
Servo-lock
10
1
0.1
0 50 100
■Characteristics e
10000
1000
100
Servo-lock
10
1
0 50
*1 If operation that generates torque more than 100% of the rating is performed with an abnormally high frequency in a servo motor stop
status (servo-lock status) or in a 50 r/min or less low-speed operation status, the servo amplifier may malfunction regardless of the
electronic thermal protection.
*2 The load ratio ranging from 300% to 350% applies to the HG-KR servo motor.
*3 The operation time at the load ratio of 300% to 400% applies when the maximum torque of HG-JR servo motor is increased to 400% of
rated torque.
10 CHARACTERISTICS
314
10.1 Overload protection characteristics
Operating
150 200 250 300
Load ratio [%] *1*3
Operating
100 150 200 250
*1
Load ratio [%]
350 400
300