Cross References:IEC 61131-1IEC 61131-3:2003IEC/ISO 7498-1:1994ISO/IEC 8824-1:2008ISO/IEC 10646:2003EN 61131-1EN 61131-3:2003IEC 60050-351:2006IEC 61131-5:2000IEC 61499IEC 61499-2:2012IEC 61499-4ISO/IEC 7498-4ISO/IEC 8825-1:2008ISO/IEC 10040:1998ISO/IEC/IEEE 60559ISO 2382All current amendments available at time of purchase are included with the purchase of this document.