Windows installer
Windows 7+, dual-core 1.5GHz CPU, 2GB RAM, 200MB storage, 1024x768 display, and an available serial or Ethernet port.
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Download the latest desktop package, view release notes and prepare your device in a few minutes.
Choose the edition that matches your scenario, from free personal debugging to licensed commercial deployment and integration.
For debugging, simulation, testing, and learning.
Integrated simulated master and slave
Read and write all four MODBUS address types
Supports MODBUS ASCII, RTU, TCP, and TCP/UDP passthrough
Multi-device, multi-channel, curves, and packet parsing
For production scenarios that need continuous operation and control.
Historical data, monitoring, and real-time alarms
Logic control, data gateway, and MQTT forwarding
Suited for PLCs, meters, inverters, and other devices
Free for personal use, licensed for commercial use
| Feature | Personal | Commercial |
|---|---|---|
| Target users | For individual use | For industrial and commercial users |
| Authorization | Permanently free in function | Paid authorization, one-time permanent license |
| Technical support | Not provided | After-sales technical support included |
| Usage responsibility | No liability for usage outcome, and systems built with it must not be used commercially | Authorized for commercial application |
| System status | Supported | Supported |
| Logic control | Supported | Supported |
| Historical data | Limited to one master device | Supported |
| Alarm data | Up to 3 alarm rules | Supported |
| Data gateway | Not supported | Supported |
| MQTT forwarding | Not supported | Supported |
| Linux | Not supported | Custom deployment |
| Channel management | Supported | Supported |
| Device management | Supported | Supported |
| User management | Supported | Supported |
| Device data | Supported | Supported |
| Simulated master | Supported | Supported |
| Simulated slave | Supported | Supported |
| Real-time curves | Supported | Supported |
| Link statistics | Supported | Supported |
| Packet testing | Supported | Supported |
| Tools | Supported | Supported |
Answers to common questions about MODBUS support, edition differences, historical data, alarms, and industrial deployment scenarios.
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