: Full compatibility with both Modbus TCP (ethernet) and Modbus RTU (serial/RS-485) connections.
: Most diagnostic tasks use Function Code 03 (Read Holding Registers) to view data or Function Code 06 (Write Single Register) to change values, such as updating a sensor's ID. rilheva modbus poll download
: Open the software and select your connection type (TCP or RTU). If using RTU, ensure you have an RS-485 to USB adapter and know your COM port. : Full compatibility with both Modbus TCP (ethernet)
: Choose whether specific register values can be modified or if they should remain read-only. If using RTU, ensure you have an RS-485
: For quick checks, Rilheva also offers a Web Edition that can be accessed directly through your browser. Key Features of the Tool
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.
: Once configured, the software will begin polling the device, displaying real-time values on your screen. Why Use Rilheva Over Other Tools?