The PCU programmable safety controller has further extend robust safety product system capabilities to include systems integration, programmable logic control functions and management software. It offers a fully integrated safety system solution that unifies the management of all safety products, such as safety switch mats, edges, bumpers, switches, non-contact interlocks, laser scanners, light curtains, two hand controls, photocells, emergency stops, hand grip switches, encoders and proximities etc. into one safety system solution at a CAT 4 safety level. Note some Tapeswitch Corporation sensors are a Cat 3.