Community‑provided templates are available for various Wiren Board devices; search for “wb‑community/rilheva‑modbus‑poll‑templates” on GitHub.
Rilheva Modbus Poll is a specialized utility designed to simplify the integration and troubleshooting of industrial devices within the Rilheva IIoT (Industrial Internet of Things) ecosystem. Unlike general-purpose Modbus scanners, this tool is specifically engineered to bridge the gap between local field equipment and cloud-based monitoring. Core Functionality
Some manufacturers document registers using 1-based indexing (e.g., 40001 ), while software tools often expect 0-based raw hex indexing ( 0000 ). If your data looks shifted by one row, adjust your start address up or down by one. rilheva modbus poll download
Identify issues like incorrect baud rates, wrong slave IDs, or improper function codes.
Select your connection type (Serial for RTU or Ethernet for TCP) and specify the COM port or IP address. Add Registers: Add register Select your connection type (Serial for RTU or
One of its most praised features is that it is free and does not require installation [7†L10-L11]. This "green" software nature allows you to run it on any Windows machine without administrator privileges, which is a godsend for field technicians.
| | Cons | | :--- | :--- | | Extremely Lightweight: Runs on old laptops and industrial tablets without lag. | Dated UI: The visual design feels stuck in the early 2000s. | | Accurate Data Representation: Displays Hex, Decimal, and Float formats easily. | Limited Graphing: Not meant for visual trend analysis; strictly a grid view. | | Quick Setup: You can be polling within 60 seconds of opening the program. | Documentation: Help files can be sparse; relies heavily on user knowledge of Modbus standards. | and Float formats easily.
Avoid polling networks faster than necessary. Setting scan rates under 100ms on busy serial lines can saturate the bandwidth and cause cascading timeouts.
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Because Rilheva Modbus Poll is a Windows executable, you can run it on Linux using the Wine compatibility layer: