 Название: Sequence control with Raspberry Pi Pico and OpenPLC
Автор: Toshinori Fujii
Издательство: Go-Ahead LLC
Год: 2024
Страниц: 146
Язык: английский
Формат: epub
Размер: 58.6 MB
Now that OpenPLC has a new version and can be uploaded directly to the Raspberry Pi Pico, you can use the Raspberry Pi Pico and OpenPLC to learn sequence control.
The Raspberry Pi Pico, like the Arduino, is a simple microcontroller board and, like the RaspberryPi, does not require an operating system to be included; the Raspberry Pi Pico is powered by the RP2040 (ARM Cortex-M0+ dual core 133 MHz), It is a single-board microcontroller that can be run in Python or C. It is also inexpensive, costing around $10.
This book is aimed at those introducing OpenPLC and includes OpenPLC simulator experiments, breadboard experiments using a Raspberry Pi Pico, as well as line tracer production and operation experiments, and elevator production and operation experiments. The Raspberry Pi Pico has 6 digital inputs, 6 digital outputs, 6 analogue inputs and 2 analogue outputs, so you can easily learn sequence control, although it is a bit limited. There are also instructions on how to change the digital I/O settings, and although the number of I/Os is limited, you can change the number of I/Os relatively freely.
It took me about an hour to get started and get the Raspberry Pi Pico working with OpenPLC, so I would say that the Raspberry Pi Pico is one of the most suitable CPU boards as a first step to learning about IoT and sequence control. relatively easy to use, but there are few instructions and almost no information available when searching. For this reason, you can use this book to start learning sequence control with Raspberry Pi Pico+OpenPLC.
Contents:
1.Introduction
2.Raspberry Pi
2.1 Raspberry Pi Pico W
2.2 Installing the OpenPLC software
(1) Installing the OpenPLC software
(2) How to use the OpenPLC Editor
(3) How to use the simulator
(4) Operation experiment
3.Elements for the experiment
(1)LED
(2) Resistance (1/4W)
(3) Breadboard
(4) Jumper wire
(5) Variable resistors
(6) CDS cell
(7) Motor Driver
(8) Photo reflector
(9) Photocoupler
4．Basic sequence circuits
(1) make and break contacts
(2) Basic logic circuits
(3) Sequence basic circuit
Example (1)～Example (14)
5. sequence control with OpenPLC
(1) Self-holding circuit (stop priority circuit)
(2) Circuit that repeats ON/OFF (Chapter 4, Example 7)
(3) Circuit that turns ON after a certain time
(Chapter 4, Example 10)
(4) Periodic operation circuits
(5) Circuit that turns on when the button is pressed
10 times
(6) Analogue input circuit
(7) Analogue output circuits
(8) Analogue input/output circuit
(9) Motor control
6 . Manufacture of a line tracing robot
7 Fabrication of elevators
(1) Making the experimental apparatus
(2) Experimental circuit
(3) Elevator operation experiment
8. Postscript
Appendix (cut pattern)
References
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Sequence control with Raspberry Pi Pico and OpenPLC 
