The safety system, including the base unit and expansion modules, typically monitors feedback loops to ensure all safety contacts are functioning correctly and that the safety system operates reliably. http://www.pilz.com Used in various industrial safety applications where safety functions need to be controlled and monitored.
The expansion modules are connected to the base unit to extend its functionality. This can be through a dedicated communication bus or wiring scheme. Typically includes primary safety contacts, diagnostic indicators, and interfaces for configuration and monitoring. Safety solutions provider since 2011, We offer Pilz.