Rockwell Automation's Guardmaster 440C-CR30 safety relay communicates diagnostic data via a built-in Modbus interface to Allen-Bradley Micro800 controllers, PanelView graphic terminals, or CompactLogix controllers. The relay has 22 safety I/O points, including six configurable I/Os, and meets PLe, 3 per EN ISO 13849-1 and IEC 62061 standards. Free software included.
