Integrated AS-i connection Protection for IP 67 / IP 69 / IP 69K rugged shell design compact locking force 3,900N comprehensive, Detailed diagnostic options compatible with existing electromechanical safety switches Mount design and function CTP-AS can operate directly on the AS-i bus and provide the control system with gate position and information about locking position. Information about possible switch failures can also be diagnosed directly in the control system. Of course, operating on all known AS-i security monitors is a matter of course. You can change from electromechanical safety switches to CTP in PL e without modifying the software on the monitor.