Modbus Communication Protocol: Concise, Clear & Career-Ready

Modbus Communication Protocol: Concise, Clear & Career-Ready
Published 5/2025
MP4 | Video: h264, 1920×1080 | Audio: AAC, 44.1 KHz

Modbus Protocol Demystified: A Clear Guide to Industrial Communication"

What you’ll learn

Understand the origin and purpose of the Modbus protocol

Identify the importance of Modbus in industrial automation

Compare Modbus with other industrial communication protocols

Break down the Modbus protocol structure and frame format

Understand Modbus OSI layer placement and data flow

Learn about data types: coils, inputs, and registers

Understand the Modbus addressing scheme

Explore key function codes and their roles

Differentiate between Modbus RTU, ASCII, and TCP/IP

Understand the Master-Slave and Client-Server models

Get familiar with network topologies and node addressing

Learn how exception codes and error handling work

Discover how Modbus integrates with PLCs and SCADA systems

Recognize Modbus protocol limitations and how to overcome them

Apply best practices for ensuring reliable Modbus communication

Requirements

Willingness to Learn

Description

Overview

Section 1: Introduction to Modbus

Lecture 1 What is Modbus? – Overview and Origin

Lecture 2 Why Modbus is Important in Industrial Automation

Lecture 3 Modbus vs Other Industrial Communication Protocols

Section 2: Modbus Basics and Architecture

Lecture 4 Understanding Modbus Protocol Structure

Lecture 5 Modbus OSI Layer Placement and Data Flow

Lecture 6 Modbus Frame Format and Components

Section 3: Modbus Data and Addressing

Lecture 7 Modbus Data Types: Coils, Inputs, and Registers

Lecture 8 Addressing Scheme in Modbus Protocol

Lecture 9 Common Modbus Function Codes Explained

Section 4: Modbus Communication Modes

Lecture 10 Modbus RTU – Serial Communication Overview

Lecture 11 Modbus ASCII – Key Differences from RTU

Lecture 12 Modbus TCP/IP – Ethernet-Based Communication

Lecture 13 RTU vs ASCII vs TCP – Comparison and Use Cases

Section 5: Modbus Networking and Operation

Lecture 14 Master-Slave Communication Model

Lecture 15 Modbus Network Topologies and Configurations

Lecture 16 Node Addressing and Broadcast Messaging

Section 6: Modbus Function Codes in Practice

Lecture 17 Read and Write Function Codes – Detailed View

Lecture 18 Exception Codes and Error Handling in Modbus

Section 7: Modbus TCP/IP Deep Dive

Lecture 19 19- Modbus TCP/IP Frame Structure and Port Usage

Lecture 20 Client-Server Model in Modbus TCP Explained

Section 8: Integration and Application

Lecture 21 Modbus Integration with PLCs and SCADA

Section 9: Limitations and Best Practices

Lecture 22 Limitations and Weaknesses of Modbus Protocol

Lecture 23 Best Practices for Reliable Modbus Communication