Encoders, DC tachometers and resolvers allow accurate evaluation of the speed and angle position and form the framework for high-precision control loops. These devices have to be fitted to the motors at the supplying factory, as the installation process is fine-tuned to the respective motor.
DC tachometer
Not suited for positioning tasks
Analog speed signal
Rotation direction recognition
Resolver
Analog rotor position
Analog speed signal
For special solutions in conjunction with sinusoidal commutation in EC motors
Digital encoder
Suitable for positioning tasks
Rotation direction recognition
Speed information from number of pulses per time unit
The standard solution for many applications
>>> Gia ban DC tachometers