16. USING A DIRECT DRIVE MOTOR
16 - 16
1000
100
10
1
0.1
0 50 150 200 250 300
100
Servo-lock
Operation time [s]
(Note) Load ratio [%]
Operating
TM-RFM002C20/TM-RFM004C20/
TM-RFM006C20/TM-RFM006E20/
TM-RFM012E20/TM-RFM018E20/
TM-RFM012G20/TM-RFM040J10
1000
100
10
1
0.1
0 50 150 200 250 300100
Servo-lock
Operation time [s]
(Note) Load ratio [%]
Operating
TM-RFM048G20/TM-RFM072G20/
TM-RFM120J10
10000
1000
100
10
1
0 50 150 200 250 300100
Servo-lock
Operation time [s]
(Note) Load ratio [%]
Operating
TM-RFM240J10
Note. If operation that generates torque more than 100% of the rating is performed with an abnormally high frequency in a direct drive
motor stop status (servo-lock status) or in a 30 r/min or less low-speed operation status, the servo amplifier may malfunction
regardless of the electronic thermal protection.
Fig. 16.2 Electronic thermal protection characteristics
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