S7 PLC Inspector
Real-time PLC Data Monitor
Only for Mac
$4.99
Mac
Professional S7 PLC communication tool. Read, write, and monitor PLC data in real-time directly from your Mac.
S7 Client is a powerful, lightweight, and native-feeling desktop application designed specifically for industrial automation engineers, developers, and technicians. It provides a seamless way to connect, monitor, and interact with Siemens S7 series PLCs directly from your Mac.
Whether you are debugging a new automated assembly line, testing IoT data collection, or simply verifying PLC logic, S7 Client offers a fast, reliable, and user-friendly interface to get the job done.
Key Features:
• Broad Compatibility: Supports communication with Siemens S7-300, S7-400, S7-1200, and S7-1500 series PLCs.
• Direct Protocol: Utilizes the standard S7 Communication Protocol (RFC 1006 / TCP port 102) for direct local network access without needing additional middleware or OPC servers.
• Real-Time Monitoring: Read data blocks (DB), inputs, outputs, flags/markers, and timers with continuous polling.
• Data Writing: Easily modify variable values on the fly to test logic responses.
• Multi-Data Types: Fully supports standard Siemens data types including BOOL, BYTE, INT, WORD, DINT, DWORD, and REAL (Floating point).
• Offline Profile: Save your connection parameters (IP, Rack, Slot) for quick access across different projects.
Designed for efficiency, S7 Client eliminates the need to carry a heavy Windows VM just for basic PLC variable checking.
Ratings & Reviews
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The developer, 论 李, 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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 论 李
- Size
- 140.6 MB
- Category
- Utilities
- Compatibility
Requires macOS 12.0 or later.
- Mac
Requires macOS 12.0 or later.
- Mac
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © @LUNLI

