Which documents should be fully developed before a control software program can be developed?
a) I/O list b) Interlock Logic c) Sequence Logic d) HMI description e) All of the above
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The correct answer is e
About the Editor Joel Don is the community manager for ISA and is an independent content marketing, social media and public relations consultant. Prior to his work in marketing and PR, Joel served as an editor for regional newspapers and national magazines throughout the U.S. He earned a master's degree from the Medill School at Northwestern University with a focus on science, engineering and biomedical marketing communications, and a bachelor of science degree from UC San Diego.