When testing industrial automation systems, having a reliable Modbus master simulator is essential for verifying device registers and communication stability. The is a specialized, free software tool developed by Xeo4 (the makers of the Rilheva IIoT platform) designed to streamline the testing and diagnostic process for engineers and developers.
: Input the Slave ID and the specific Modbus Address you wish to monitor. rilheva modbus poll download
| Feature | Rilheva Modbus Poll (Paid) | Freeware (e.g., QModMaster) | | :--- | :--- | :--- | | | Full | Often limited | | Modbus RTU Serial | Full | Buggy or absent | | Data Format Flexibility | Float, Double, 32-bit swap | Basic 16-bit only | | Write Multiple Registers | Yes (FC 16) | Rarely | | Technical Support | Email & documentation | Community forums only | | Malware Risk (Official) | Zero | Low but no SLA | | Feature | Rilheva Modbus Poll (Paid) | Freeware (e
: It is often used to verify local device connectivity before configuring the full Rilheva IIoT Platform for remote monitoring. Configuration Management The software is provided for free
You can download the software directly from the official Rilheva website:
, it serves as a lightweight alternative to commercial simulators, helping technicians verify data registers before integrating hardware into a larger SCADA or IIoT ecosystem. Rilheva IIoT Platform Key Features Dual Protocol Support : Compatible with both Modbus TCP (ethernet) and Modbus RTU (serial RS232/RS485) connections. Configuration Management
The software is provided for free by Rilheva in exchange for an email address. Desktop Download : You can download the Windows installer directly from the Rilheva Modbus Poll Desktop Edition Connection Process