DIN EN 61131-6 VDE 0411-506:2013-10
Programmable controllers
Part 6: Functional safety
                                (IEC 61131-6:2012); German version EN 61131-6:2012
                                Class/Status:
                                Standard,
                                    valid
                                                                    Released: 2013-10
                                    
                                                                VDE Art. No.: 0400066
                                                            

