Bit2Bus DIP Switch Calculator

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About this app

šŸ”§ PROFESSIONAL FIELD BUS CONFIGURATION TOOL

Bit2Bus is the essential mobile app for field technicians, system integrators, and engineers working with BACnet MSTP and Modbus RTU networks. Designed by professionals, for professionals.

⚔ KEY FEATURES:
• Interactive DIP Switch Calculator with visual switches
• Cable Length Calculator for RS-485 network planning
• Maximum Devices Calculator with load factor analysis
• Comprehensive BACnet MSTP & Modbus RTU reference guides
• Real-time binary, decimal, and hexadecimal conversions
• Professional validation and error checking
• Built-in bug reporting system for seamless feedback

šŸŽÆ ADVANCED CAPABILITIES:
• Variable switch configurations (4, 5, 6, 8 switches)
• Multiple numbering styles (1-8 and 8-1)
• Horizontal and vertical switch orientations
• Inverted logic support for different manufacturers
• Educational content for protocol learning

🌟 EXPERIMENTAL FEATURES:
• Revolutionary fixed-bottom UI design
• Shake-to-reset gesture control
• Ultra-compact value display
• Always-visible switch controls

šŸŒ PROFESSIONAL READY:
• 100% offline operation - no internet required
• Complete bilingual support (English/German)
• Zero data collection - complete privacy
• Optimized for phones and tablets
• Material Design 3 interface
• Integrated bug reporting via email client

šŸŽÆ PERFECT FOR:
• Field technicians configuring devices on-site
• Engineers designing building automation networks
• Students learning field bus protocols
• System integrators planning installations
• Facility managers troubleshooting systems

šŸ’” PROTOCOLS SUPPORTED:
• BACnet MSTP (MAC addresses 0-127)
• Modbus RTU (device addresses 1-247)
• Generic binary addressing (0-255)

šŸ“± WHY CHOOSE BIT2BUS:
āœ“ Works completely offline in any environment
āœ“ No advertisements or in-app purchases
āœ“ No account registration required
āœ“ Professional calculations with industry standards
āœ“ Instant results with visual feedback
āœ“ Comprehensive error checking and warnings

Download Bit2Bus today and transform your field bus configuration workflow!
Professional DIP switch address calculator & for BACnet MSTP & Modbus RTU.
Updated on
Aug 23, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
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What’s new

Calculator corrections:
• Voltage drop now rates 12V, 28V, 30V and 48V correctly - before, only 24V was meaningful
• Wire gauge recommendation names the thinnest gauge that works, not the thickest
• 7-switch option added
• Numbering labels follow the switch count (1-32 at six switches)
• Max devices respects BACnet MSTP and Modbus RTU address limits
• Cable length capped at the 1200 m RS-485 maximum
• Dropdowns no longer overflow
• Android 16 support
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Everyone
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App support

About the developer
Tobias Jodoc rappo
support@rappo.dev
Switzerland

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