PLC-Inspector

Modbus/TCP for Siemens LOGO!

$9.99

PLC-Inspector is a professional diagnostic tool for reading the memory of Siemens LOGO! controllers via Modbus/TCP – now mobile on iPhone and iPad. KEY FEATURES • Memory Reading Read VM memory, analog inputs (AI), and analog outputs (AQ) from your LOGO! controller in real-time. • Bit-Level Visualization Each register is displayed as a 16-bit value with color-coded bit display. Set bits are highlighted in green. • Change Detection Changed values are automatically highlighted in orange. Navigate between changes using the arrow buttons. • Auto-Refresh Automatic updates at configurable intervals (0.5s to 10s) for continuous monitoring. • Multi-Model Support Supports LOGO! 8 and Wago with correct Modbus address tables. • Multiple Stations Manage unlimited PLC stations with individual settings. USE CASES - On-site commissioning and troubleshooting - Mobile process monitoring - Memory content analysis - Training and education TECHNICAL DETAILS - Protocol: Modbus/TCP (Port 502) - Function: Read Holding Registers (FC03) - Maximum registers: Automatic splitting for >125 registers NOTE The app requires a WiFi connection to the LOGO! controller. The Modbus server must be enabled in LOGO!Soft Comfort. Developed by spiritdev Softwareentwicklung GmbH - Your partner for industrial software solutions.

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• New connection test for PLC stations • Simplified configuration • UI improvements

Version 1.0.1

The developer, spiritdev Softwareentwicklung GmbH, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Seller
      • spiritdev Softwareentwicklung GmbH
    • Size
      • 1.3 MB
    • Category
      • Utilities
    • Compatibility
      Requires iOS 26.1 or later.
      • iPhone
        Requires iOS 26.1 or later.
      • iPad
        Requires iPadOS 26.1 or later.
      • Mac
        Requires macOS 26.1 or later.
      • Apple Vision
        Requires visionOS 26.1 or later.
    • Languages
      English and 3 more
      • English, German, Italian, Spanish
    • Age Rating
      4+
    • Copyright
      • © 2026 spiritdev Softwareentwicklung GmbH
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.