IEC-61131-2 Complete Document History
Industrial-process measurement and control - Programmable controllers - Part 2: Equipment requirements and tests

Complete Current Edition:
   EDITION 4.0 - Part 2: Equipment requirements and tests - Aug. 1, 2017

Obsolete Revision Information:
   3RD EDITION - PART 2: EQUIPMENT REQUIREMENTS & TESTS, PROGRAMMABLE CONTROL - July 1, 2007
   2ND EDITION CORRIGENDUM 1 - CORRIGENDUM 1 FOR 2ND EDITION - March 1, 2004
   2ND EDITION - PART 2: EQUIPMENT REQUIREMENTS - Feb. 1, 2003