16 PROFIsafe WAGO-I/O-SYSTEM 750750-666/000-003 4FDI/2FDO 24V/10A PROFIsafe V2 iParManualVersion 1.2.0, valid from HW/SW Version 01/013 PROFIsafePROFIsafe is a protocol for secure communication, and is certified in accordancewith IEC 61784-3-3.For the WAGO-I/O-SYSTEM 750, I/O modules were developed with safety-related inputs and outputs (PROFIsafe I/O modules) without any drastic changesto the existing series 750 system, making mixed operation of safety-related andnon-safety-related I/O modules possible.Figure 1: Mixed operation of safety-related and non-safety-related I/O modulesA safe PLC (PROFIsafe and PROFIBUS or PROFINET master) is used withPROFIBUS or PROFINET interface as the controller.
