📚 Modbus Monitor Documentation¶
Professional Modbus tools for automation engineers, OEMs, and testing teams.
Complete guides, quick starts, and technical references.
🚀 Choose Your Path¶
Android editions: Modbus Monitor Free is available at no cost. Modbus Monitor Advanced is a paid Android app with additional professional features.
Our Products¶
Choose the tool that fits your workflow:
| Product | What It Does | Get Started |
|---|---|---|
| 🪟 Modbus Monitor XPF (Windows) | Professional monitoring, logging, diagnostics & cloud integration | 📖 Guide · ⚡ Quick Start · ⬇️ Download |
| 📱 Modbus Monitor Advanced (Android, paid) | Mobile client with server mode & cloud connectivity | 📖 Guide · 📥 Get it on Play Store |
| 📱 Modbus Monitor Free (Android, no cost) | Lightweight testing tool for quick verification & troubleshooting | 📖 Guide · 📥 Get it on Play Store |
| 🔍 Mapper Pro (Windows) | Modbus RTU/ASCII traffic analysis, mapping, bridging & replay | 📖 Manual · ⬇️ Download · 🛒 License |
For purchases and license options, visit the QBS shop.
Cloud & Add-ons¶
| Platform | Available Add-ons | Get Started |
|---|---|---|
| Android Advanced | MQTT · Google Sheets | MQTT Setup · Sheets |
| Windows (XPF) | MQTT | MQTT Setup |
| Getting Started | Overview & Best Practices | MQTT Basics · Data Export |
Technical Guides & References¶
| Topic | Resources |
|---|---|
| 🔌 Hardware & Adapters | USB-OTG Serial · Bluetooth · Network Equipment |
| 🌐 Modbus Protocol | 6-Digit Addressing · Error Codes · Protocol Reference |
| 📊 Data & Integration | Import/Export · Google Sheets · CSV Management |
| 🎓 Learning & Demos | Engineering Blog · Arduino Server · XPF Device Maps |
Feature Comparison¶
| Feature | XPF (Windows) | Advanced (Android) | Free (Android) | Mapper Pro |
|---|---|---|---|---|
| Real-time Monitoring | ✅ | ✅ | ✅ | ✅ |
| Data Logging | ✅ Advanced | ✅ | ❌ | ✅ Traffic |
| Cloud Integration | ✅ MQTT | ✅ MQTT/Sheets | ❌ | ❌ |
| Network Analysis | ✅ | ❌ | ❌ | ✅ Advanced |
| Multiple Connections | ✅ | ✅ | ⚠️ Limited | ✅ |
| Data Export | ✅ CSV/JSON | ✅ CSV | ❌ | ✅ CSV |
Quick Start by Use Case¶
| I Want to... | Start with... |
|---|---|
| Monitor Modbus devices | XPF Quick Start or Android Guide |
| Send data to cloud | MQTT or Google Sheets (Android Advanced) |
| Analyze network traffic | Mapper Pro |
| Find hardware | Hardware Guide |
| Fix errors | Error Codes |
| Understand Modbus | 6-Digit Addressing |
💬 Need Help?¶
| Problem | Solution |
|---|---|
| Not working? | Error Codes & Fixes · Hardware Issues · FAQ |
| Questions? | Community Forum · 📧 Email Support · Contact Page |
| Want to explore? | All Guides · Engineering Blog · Download & Purchase |
✅ Current Documentation
Updated December 2025. Can't find what you need? Contact support →