World's first motor with integralend-limit detection

Saia know-how has long since extended well beyond the (electro) mechanical side of the stepper motor. Functions such as bus systems or diagnostic processes using electronics integrated within the drive, and as a ready-to-fit solution for widely differing applications, have long been available. For the customer, this has the advantage that he does not have to tie up his own resources for producing hardware designs, but can reach the objective much more quickly and cost-effectively with a partner who may even have similar solutions in the drawer. To develop a board from basic principles is very expensive.
The latest innovative example is a new motor in which end-limit detection has been realised for the first time using pulse width modulation (PWM). The electronics required for this are located on a tiny board, the integration of which hardly changes the space required by the compact 28 mm motor.
The position detection means that the action of driving against a stop, which would otherwise be necessary, is no longer required. The associated chattering noises are avoided and the motor runs almost silently. Running against a stop means additional wear every time. This is also considerably reduced by means of the integral end-limit detection.
The drive, which can be positioned with voltages of 0 - 10 V in up to 250 steps over a distance of 13 mm, receives a permanent feedback of its position from the electronics by means of defined signals, and brakes as soon as the desired position is reached. The motor itself does not lose any power due to the electronics.
Areas of application for the motor are to be found especially in the Heating and Ventilation field - examples are valve actuators in boilers or gas heaters. The motor has easy-to-fit connectors, which can be modified at the customer's request.



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