With Flexi Loop a safe series connection of up to 32 safety sensors while maintaining the highest level of safety is possible. Regardless of the manufacturer, any combination of safety switches and safety sensors with OSSD outputs can be used. Such a system set-up also guarantees the continuous diagnosis of all door switches, emergency stop push-buttons and sensors. Used in connection with Flexi Soft, the entire safety application can be tailored to meet the customer's needs -- cost-effective, personalized and efficient.