High Quality Content by WIKIPEDIA articles! In the late 1980s the International Society of Automation began an effort to develop a set of standards for the Batch Control Industry with the intent of providing improved system performance and programming efficiencies by way of a standard set of models and procedures. ISA-S88 Part 5 (Make2Pack) was written to provide a standard specifically for Equipment Modules and Control Modules . Starting in the early 2000s OMAC (Organization for Machine Automation and Control) began work on a similar standard that embraced some of the basic concepts developed for the Batch Control Industry with the intent of providing the same benefits to the Machine Control Industry, specifically for Packaging Machines. These standards continued in parallel development until 2008 when an ISA sanctioned technical report was written to harmonize these standards.ISA TR88.00.02-2008 Machine and Unit States: An Implementation Example of ISA-88 became the basis of the Packaging Standard known as PackML. At the time of this writing the ISA-S88 Standard can be found at the ISA website and the OMAC PackML Implementation Guide can be found at the OMAC website.