By Murat Uzam
Programmable good judgment controllers (PLCs) are commonly utilized in to accomplish automation projects, with brands supplying numerous PLCs that vary in services, software thoughts, and the variety of inputs/outputs (I/O). now not strangely, the layout and implementation of those PLCs have lengthy been a mystery of brands. Unveiling the mysteries of PLC expertise, Building a Programmable good judgment Controller with PIC16F648A Microcontroller explains how you can layout and use a PIC16F648A-microcontroller-based PLC.
The writer first defined a microcontroller-based implementation of a PLC in a chain of articles released in Electronics World journal among 2008 and 2010. This booklet relies on a much better model of the undertaking, including:
- Updates to the configuration, with a smaller CPU board and I/O extension forums that now help sixteen inputs and sixteen outputs rather than 8
- An elevated clock frequency of 20 MHz
- Improvements to a number of macros
- Flowcharts that can assist you comprehend the macros (functions)
In this booklet, the writer offers exact reasons of and software program buildings. He additionally describes PIC meeting macros for all simple PLC services, that are illustrated with various examples and flowcharts. An accompanying CD comprises resource records (.ASM) and item records (.HEX) for all the examples within the ebook. It additionally provides published circuit board (PCB) (Gerber and .pdf) documents that you should have the CPU board and I/O extension forums produced through a PCB producer or produce your individual boards.
Making PLCs extra simply available, this precise publication is written for complicated scholars, practising engineers, and hobbyists who are looking to how you can construct their very own microcontroller-based PLC. It assumes a few past wisdom of electronic common sense layout, microcontrollers, and PLCs, in addition to familiarity with the PIC16F sequence of microcontrollers and writing courses utilizing PIC meeting language inside of an MPLAB built-in improvement environment.
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Building a Programmable Logic Controller with a PIC16F648A Microcontroller by Murat Uzam