Professional Field Bus Configuration Made Simple

The ultimate offline tool for BACnet MSTP and Modbus RTU systems. Designed by engineers, for engineers.

100% Offline
5 Languages
No Data Collection
Download for Android Try Web Version
Bit2Bus mobile app home screen showing main navigation with calculator tools for DIP switches, cable length, voltage drop, and device optimization
DIP Switch Calculator
Cable Length Calculator
Max Devices Calculator
Voltage Drop Calculator

Powerful Features for Professionals

Everything you need for field bus configuration in one comprehensive tool

Interactive DIP Switch Calculator

Configure device addresses with interactive visual switches. Supports 4, 5, 6, and 8-switch configurations with real-time binary, decimal, and hex display. Features clickable switches and easter egg discovery!

Visual Interface Real-time Conversion Interactive Switches

Cable Length Calculator

Calculate maximum cable distances for different baud rates and cable types. Get instant recommendations for RS-485 network planning with professional validation.

Multiple Cable Types Baud Rate Optimization Professional Validation

Max Devices Calculator

Determine optimal device counts based on load factors. Ensure your network stays within RS-485 specifications with accurate load calculations.

Load Factor Analysis Network Optimization Compliance Checking

Voltage Drop Calculator

Critical DC power distribution calculator prevents device failures in long cable runs. Real-time voltage analysis with smart recommendations for thicker cables or higher supply voltages.

Prevents Device Failures Smart Recommendations Visual Status Indicators

Comprehensive Bus Information

Built-in reference guides for BACnet MSTP and Modbus RTU protocols, including addressing rules, wiring guidelines, and troubleshooting tips.

Protocol Guides Best Practices Troubleshooting

5-Language Support

Full support for English, German, French, Spanish, and Italian languages. Perfect for international engineering teams and global projects.

International Ready Complete Translation Professional Terms

100% Offline Operation

No internet required. Perfect for field work, secure environments, and remote locations. Your data stays on your device - complete privacy guaranteed.

Field Ready Secure Zero Data Collection

Experimental & Advanced Features

Cutting-edge innovations that set Bit2Bus apart

Interactive Logo Easter Egg

Discover hidden features by clicking the DIP switches in our interactive logo. Can you find the secret sequence?

Hint: Try the pattern 01010...

Shake to Reset

Innovative gesture control - shake your device to instantly reset calculations. Perfect for rapid field testing and demonstrations.

Fixed-Bottom UI

Revolutionary interface design with always-visible DIP switches and ultra-compact display. Optimized workflow for professional use.

Why Professionals Choose Bit2Bus

Save Time

Instant calculations eliminate manual lookup tables and reduce configuration time by 80%

Reduce Errors

Visual interface and built-in validation prevent configuration mistakes

Work Anywhere

Offline operation ensures reliability in any environment, no matter how remote

Stay Compliant

Built-in validation ensures your configurations meet industry standards

80%
Time Saved
100%
Offline
5
Languages
0
Data Collection

Perfect For Every Professional

Whether you're in the field or in the office, Bit2Bus adapts to your workflow

Field Technicians

Quick on-site configuration and troubleshooting with offline reliability

System Integrators

Professional network planning and comprehensive documentation generation

Engineers

Accurate calculations and validation for professional system design

Students

Learning field bus protocols with interactive educational content

See Bit2Bus in Action

High-quality screenshots showcasing the professional interface

DIP Switch Calculator

DIP Switch Calculator

Interactive visual switches with real-time conversion

Cable Length Calculator

Cable Length Calculator

Professional cable planning with validation

Max Devices Calculator

Max Devices Calculator

Load factor analysis and optimization

Settings and Languages

Multi-Language Settings

5 languages with complete translations

Bus Information

Bus Information

Comprehensive BACnet MSTP and Modbus RTU guides

Documentation Generator

Documentation Generator

Professional device address tables and project docs

Release Notes

Stay updated with the latest features and improvements

v1.0.0

January 2025 Latest

🎉 Initial Release

Professional field bus configuration tool with complete feature set for BACnet MSTP and Modbus RTU systems.

✨ New Features
  • DIP Switch Calculator: Interactive visual switches with 4-8 configurations, multiple numbering styles, and inverted logic support
  • Cable Length Calculator: Professional cable planning with baud rate validation and cable type specifications
  • Max Devices Calculator: Load factor analysis and network optimization tools with educational content
  • Bus Information: Comprehensive guides for BACnet MSTP and Modbus RTU protocols with technical specifications
  • Documentation Generator: Professional device address tables and project documentation export
🌐 Internationalization
  • Complete support for 5 languages: English, German, French, Spanish, Italian
  • 254+ translated text strings with technical terminology
  • Parameterized translations for dynamic content
🎨 User Experience
  • Light and dark theme support with system preference detection
  • Responsive design optimized for mobile, tablet, and desktop
  • Interactive easter eggs and developer mode features
  • Professional Material Design 3 interface
🔐 Privacy & Performance
  • 100% offline functionality - no internet required
  • No data collection, analytics, or tracking
  • Local settings storage with privacy protection
  • Optimized bundle size with tree-shaken fonts

v1.2.0

August 2025 Latest

🗃️ Device Database & Enhanced DIP Switch Calculator

Major interface improvements with professional device catalog for field planning and enhanced DIP switch functionality.

  • NEW: Device Database with 50+ BACnet/Modbus devices
  • Enhanced: Professional DIP switch interface with haptic feedback
  • Comprehensive technical specifications and configuration guides
  • Corrected numbering logic with smart visual hints
  • Shake detection for mobile address reset
  • Wide screen optimizations with rounded corners

v1.1.0

January 2025

⚡ Power Distribution & Performance

Major update introducing voltage drop calculations for reliable field bus power distribution in building installations.

🔋 New Features
  • Voltage Drop Calculator - DC power distribution calculator with wire gauge analysis
  • Real-time voltage status indicators (Good/Marginal/Too Low)
  • Smart cable upgrade recommendations
  • Multi-device power load calculations
  • Wire gauge reference with resistance values
🏗️ Architecture Improvements
  • Centralized data architecture for cable specifications
  • Unified voltage drop data model
  • Enhanced calculation accuracy and consistency
  • Improved data validation and error handling
🌐 Localization Updates
  • 24+ new translation strings for voltage calculations
  • Technical terminology localized across all 5 languages
  • Updated version numbers and app information

v1.2.0

Future Upcoming

🚀 Future Features

Exciting new capabilities planned for future updates.

🔮 In Development
  • Additional industrial protocol support
  • Enhanced documentation templates
  • Advanced network topology tools
  • Project file import/export capabilities

Get Bit2Bus Today

Start streamlining your field bus configuration workflow right now

100% Free
5 Languages Multilingual
Offline Always Available
Get it on Google Play
Try it in Web Browser
Coming Soon App Store

Technical Specifications

Professional-grade tool with comprehensive platform support

Supported Platforms

Android 5.0+ (API level 21)
iOS 12.0+ (Coming Soon)
Web: Chrome, Firefox, Safari, Edge
Desktop: Windows, macOS, Linux

Supported Protocols

BACnet MSTP: MAC addresses 0-127
Modbus RTU: Device addresses 1-247
Generic Binary: Custom addressing 0-255

Key Metrics

20+ Major Features
5 Languages Supported
100% Offline Functionality
0 Data Collection

Get in Touch

Questions, suggestions, or need support? We're here to help.

Email Support

support@rappo.dev

Developer

RappoDEV

Privacy First

No data collection, complete privacy