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EJ7411 | 1-channel motion interface, BLDC motor, 48 V DC, 4.5 A, with incremental encoder · 0 次阅读

Operation without feedback

Configuration

1. Set the parameter 0x8008:12 "Encoder type" to the value "disabled".
The input for the incremental encoder is disabled.
2. Set the parameter 0x800A:14 "Hall sensor type" to the value "disabled".
The inputs for Hall sensors are disabled.
3. Set the parameter 0x8010:64 "Commutation type" to the value "Six-Step sensorless".

In sensorless operation, a clear switching torque is noticeable. From a certain velocity, control switches from open-loop to closed loop. The velocity at which this change takes place depends on the nominal velocity and nominal voltage. It can be calculated with the following equation.

Operation without feedback 1: