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This is a beginners guide to basic programmable logic control (PLC) using basic object oriented logic function blocks utilized in the control industry. This is a compilation of logic control terms and programming examples based on my real world experience. My purpose is to provide a starting point for those beginning the learning process of PLC programming, utilizing object oriented function block logic. My hope is that this reference will provide guidance to those in need.


While the developer has taken care to provide the application user with accurate information, please use your discretion before acting upon information based on the applications information. This developer will not compensate you in any way whatsoever if you ever happen to suffer a loss/inconvenience/damage because of/while making use of information in this application.