Node-RED with Modbus: Industrial Automation Essentials
- Course Title: Node-RED with Modbus: Industrial Automation Essentials
- Duration: ~4-5 Hours
- Level: Beginner
- Prerequisites: Basic Modbus, Networking and JavaScript knowledge
- Mode: Personal Training (Instructor-Led) | Online (MS Teams, Google Meet, Zoom, Etc.)
📝Course Description:
Master Node-RED and Modbus in this 4-5 hour hands-on course. Learn to monitor and control Modbus data (Coils, Input Coils, Holding/Input Registers) via a Node-RED dashboard, create a Modbus TCP server, and log device data in an SQLite database. Configure Open ModSim, demo a physical Modbus RTU device, and build practical flows for industrial IoT and automation.
🎓What You’ll Learn:
- Understand Modbus RTU/TCP and Node-RED fundamentals
- Monitor Modbus data (Coils, Input Coils, Holding/Input Registers) in a Node-RED dashboard
- Control Modbus data (Coils, Holding Registers) from a dashboard
- Create a Modbus TCP server in Node-RED
- Log Modbus device data in an SQLite database
- Troubleshoot Modbus communication and flows
🧩Course Structure:
- Module 1: Node-RED and Modbus Basics
- Overview of Node-RED: Interface, flows, IoT applications
- Modbus protocol: RTU vs. TCP
- Data model: Coils, Input Coils (Discrete Inputs), Holding/Input Registers
- Device ID (Unit ID)
- Function codes: FC1 (Read Coils), FC2 (Read Discrete Inputs), FC3 (Read Holding Registers), FC4 (Read Input Registers), FC5 (Write Coil), FC6 (Write Register)
- Module 2: Setting Up Node-RED, Modbus, and TCP Server
- Install Node-RED, node-red-contrib-modbus, and node-red-dashboard
- Configure Open ModSim to emulate a Modbus device (TCP/RTU)
- Physical RTU Demo: Trainer-led connection to a Modbus RTU device (e.g., PLC or sensor via RS-485) to demonstrate real-world communication
- Create a Modbus TCP server in Node-RED using node-red-contrib-modbus (Modbus-Server node)
- Configure server to expose coils/registers (e.g., Unit ID 1, port 502)
- Test server: Connect ModScan32/Open ModScan to Node-RED’s TCP server
- Module 3: Monitoring and Controlling Modbus Data
- Build Node-RED flows to read/monitor Modbus data:
- Coils (FC1), Input Coils (FC2), Holding Registers (FC3), Input Registers (FC4)
- Create a Node-RED dashboard: Display data (e.g., gauges for registers, switches for coils)
- Write/control Modbus data from dashboard:
- Toggle Coils (FC5), write to Holding Registers (FC6) using buttons/sliders
- Monitor communication: Use Node-RED debug node for TCP/RTU data
- Troubleshoot issues: Connection timeouts, invalid Unit IDs, node errors
- Module 4: Logging Modbus Data in SQLite
- Install SQLite and node-red-node-sqlite package
- Create a database and table (e.g., for timestamped Modbus data)
- Flow to log Modbus data (e.g., temperature register, coil status) to SQLite
- Query and verify logged data using SQLite DB tools
- Hands-on: Log periodic data from simulator/physical device to database
🛠️Tools Required:
- Node-RED (latest version, free)
- Open ModSim (free simulator)
- ModScan32 (trial) or Open ModScan (open-source) for monitoring
- Windows/Linux/Mac computer with RS-232/RS-485 (for RTU) or Ethernet (for TCP)
- Internet Connection
- Optional: Physical Modbus RTU device (e.g., PLC, sensor with RS-485 interface)
🌟Certification:
- No certificate provided.
🤝Enroll Now:
E-Mail: eng.innovativ@gmail.com
Call/Message: +91-9974477759
WhastApp: https://wa.me/message/B7RXUT4OUXWUF1
💵Course Pricing and Payment:
Base Fee: 4500₹ / 60 USDPromotional Offer: 2500₹ / 40 USD
Payment: Full payment required upfront via a secure platform (UPI / Bank Transfer / PayPal / Cashfree). No refunds will be issued.
