Wago has introduced three functional safety I/O modules to be used with its PFC controllers. These new 750 Series modules have four safe inputs along with either two safe outputs at 10A/24V DC, or four safe outputs at 2A/24V DC each. The power outputs operate in both bipolar and unipolar modes. The modules monitor short circuits, cross circuits and 24V power supply from separate sources and contain internal logic that can be programmed with Wago’s I/O-Check and Safety Editor software. Using these modules, safety-related applications up to SIL3/PLe can be implemented without the need for a safety PLC. These modules have been evaluated by UL in compliance with the UL/CSA 61010-1, UL/CSA 61010-2-201, UL 121201 and CSA-C22.2 No. 213 standards.