7
PLC Data Acquisition and Analysis
This hands-on chapter will help readers understand and appreciate the integration of a Programmable Logic Controller (PLC) with a data acquisition system. Starting with the architecture and build of a PLC and moving on to the evolution of hardware from the 1960s, this chapter will shed light on the actual brain controlling the machines on a shop floor. We will also introduce the readers to the basics of programming a PLC with ladder logic and the tools for this from various Original Equipment Manufacturers (OEMs). The important aspects of configuring the protocols, mapping the tags, and retrieving the data from PLCs is handled by showing the readers how itâs actually done. This is the fundamental integration ...
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