Ingeneral this information is considered value added and not generic, ie. ESD is unique to each facility. So the request for information is not necessarily attractive of response in a forum such as this.
In most applications the software professional is paid to apply his/her solution 'model' to the customer's plant or facility. Conversational overviews of these ideas are at least generally addressed in text by the API recommended
practices documents which are topically indexed. Contact the American Petroleum Institute.
While these outlines don't offer ladder,code, or graphic flow charts they do list items of consideration and methods of prioritizing events.
