Commander C - Simple, Reliable Motor Control


COMMANDER C DRIVES WITH BUILT-IN LAUNDRY FEATURES Schulthess is the leading Swiss supplier of washing equipment. Ever since its inception in 1845, durability and performance have been at the core of the solutions designed and built by the company. The Schulthess laundry equipment is easy to operate, economical to use and boasts excellent process reliability. Each machine has been tested for 30,000 cycles – equivalent to a lifetime of 20 years. The company is constantly investing in research and development,which has helped to secure only the highest grade materials and processes for durable and environmentally-friendly products. The Challenge As they've embarked on a new product development, the Schulthess team has been on the lookout for an inverter drive supplier that can meet their demands for quality and performance, while also offering a technological advantage and satisfying the regulatory requirements. Inverter drives are crucial components in the design of the laundry solution as proprietary inverter drive technology provides smooth, reliable power for better wash and extraction, reduces energy and water consumption and improves the customer experience.

The Solution

The Benefit

The Swiss and UK team at Control Techniques have worked closely with Schulthess’ R&D department to provide the best match to their needs. Commander C, with the built-in laundry specific software, proved to be the right solution. Commander C can detect imbalances caused by laundry becoming tangled into large lumps and initiate a tumbling sequence to untangle the load. Thanks to this feature the wash cycle is much smoother and the machine life is extended as there’s less stress to the mechanical parts. The on-board PLC has allowed the joint teams to further expand the laundry specific capabilities while also reducing the size of the installation as an external controller was no longer required. Commander C is built to cope with harsh environments and we are confident in its durability to supply it with a free 5 year warranty. This has been a valued benefit to guarantee the quality of the Schulthess machinery.

“Since switching to Commander C, we have been able to simplify the system design. For example, we no longer need an imbalance sensor. Imbalance detection and broken belt detection are all built-in thePLC.Commander C’smotor control performance is outstanding, and it has greatly improved our testability and troubleshooting compared to the previous drive. Throughout this project, we have had excellent support from the Control Technique teams in the UK and Switzerland and it’s been a great working partnership. We will most certainly use Control Techniques’ inverters for our future projects.”

Mr.Remo Bucher Engineering Manager


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