Logic Gates in PLC Ladder Logic
Logic Gates in PLC Ladder Logic We can construct simply logic functions for our hypothetical lamp circuit, using multiple contacts, and document these circuits quite easily and understandably with additional...
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Logic Gates
The word “discrete” means individual or distinct. In engineering, a “discrete” variable or measurement refers to a true-or-false condition. Thus, a discrete control system is one designed to operate on...
How a Gate Works ?
On the previous article, we saw how the output of a gate goes HIGH or LOW according to the voltage level on the inputs. But how is a gate used in a...
Digital Building Blocks – GATES
GATES are DIGITAL BUILDING BLOCKS. They are called DIGITAL because they operate on digital principles. They require a signal (also called a PULSE or INPUT) that is either 0v (LOW)...