In the PNOZ X series by Pilz, base units indeed come in various configurations, including safety relays and safety control systems. http://www.pilz.com These units are designed for applications where safety functions are critical, and they typically include features like feedback loop monitoring to ensure the integrity of safety circuits.
Basic safety relays in the PNOZ X series are used for straightforward safety applications. They can be configured to monitor safety contacts, emergency stop buttons, safety gates, and other safety-related devices. Safety solutions provider since 2011 in Indonesia markets, leading distributor pilz in Indonesia.