Overload Characteristics (Electronic Thermal Function); Overload Characteristics Graphs - Omron R88D-KTA5L User Manual

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Overload Characteristics (Electronic Thermal Function)

An overload protection function (electronic thermal) is built into the Servo Drive to protect the
Servo Drive and motor from overloading.
If an overload does occur, first eliminate the cause of the overload and then wait at least 1
minute for the motor temperature to drop before turning ON the power again.
If the alarm reset is repeated at short intervals, the motor windings may burn out.

Overload Characteristics Graphs

The following graphs show the characteristics of the load ratio and electronic thermal function's
operation time.
Time [s]
100
10
1
0.1
115
100
100
10
1
0.1
115
100
OMNUC G5-SERIES AC SERVOMOTOR AND SERVO DRIVE USER'S MANUAL

3-2 Overload Characteristics (Electronic Thermal Function)

[100 V, 200 V]
300 Overload [%]
150 200 250
150 200 250 300 Overload [%]
3,000-r/min Servomotors
50 W
100 W (100 V)
100 W (200 V)
200 W
400 W
750 W
[200 V]
3,000-r/min Servomotors 1.0 kW to 5 kW
2,000-r/min Servomotors
1,500-r/min Servomotors
1,000-r/min Servomotors
[400 V]
3,000-r/min Servomotors
2,000-r/min Servomotors
1,500-r/min Servomotors
1,000-r/min Servomotors
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