This XPSAC safety module monitors emergency shutdown pushbuttons and limit switches.It meets the requirements of Performance Level PL e/Category 4 conforming to standard EN/ISO 13849-1 and SILCL3 conforming to EN/IEC 61508 and EN/IEC 62061.It can be used for monitoring emergency stop circuits conforming to standards EN/ISO 13850 and EN/IEC 60204-1.It has additional solid-state output for communication with PLCs about safety status of your process.