The non-proprietary JDW series controllers were developed for traction hoists. They are developed using relay logic or industrial programmable logic controllers, which are therefore easy to maintain and repair.
You can choose the type of start-up: direct or variable speed drive. In addition, you have the choice of the positioning system: magnetic cam, selector tape or any other options according to your request.
Control with 120V AC relay logic used for small basic dumbwaiters.