Note: A Single-User license allows one person to use the software on any number of computers, provided only that person is using it. Alternatively, it can be installed on a single computer used by multiple people, but not both. How to Register Your Software
Features built-in traffic monitoring to log the exact hex byte streams sent across the wire, simplifying communication debugging. How the License Model and Trial Work
The Modbus protocol continuously evolves, and operating systems regularly push security patches. A legitimate registration key ensures you receive free updates to newer versions of Modbus Poll. Pirated versions cannot be updated, leaving you unable to utilize new features or bug fixes. Best Practices for Enterprise License Management Registration Key Modbus Poll
Modbus Poll operates on a "try-before-you-buy" model. Users can download a trial version that remains fully functional for a limited period (typically 10 minutes per session) before requiring a restart or a valid registration key to unlock permanent, uninterrupted use. Legitimate Acquisition
The software supports the full spectrum of Modbus protocol variants, including Modbus RTU, Modbus ASCII, Modbus TCP/IP, as well as RTU/ASCII encapsulated over TCP/IP and UDP/IP connections. This versatility makes it suitable for virtually any Modbus implementation, from simple RS-232 point-to-point connections to complex industrial Ethernet networks. Note: A Single-User license allows one person to
Modbus Poll is a software tool designed to monitor and control Modbus devices. It allows users to read and write data from Modbus devices, making it an essential tool for industrial automation professionals. With Modbus Poll, users can:
: For digital (ON/OFF) commands and status feedback. Troubleshooting Registration How the License Model and Trial Work The
Once the 30-day trial expires, you are legally required to purchase a license and enter a to continue using the software. If you attempt to use the software beyond the trial period without registration, you are violating international copyright laws.
Modbus Poll does not have a separate "Enter License" menu item in the standard toolbar. Instead, you trigger the license prompt by attempting to connect to a device.
, a command-line simulator that is free to use and redistribute. modbusdriver.com If you'd like, I can help you with: Setting up your first Modbus TCP or RTU connection. Understanding how to read specific register types (Holding, Input, etc.). free, open-source alternatives if you aren't ready to purchase. Which would be most helpful for your project? Modbus Poll User Manual
: Copy and paste the alphanumeric registration key string. Avoid manually typing the key to prevent syntax errors. Step 3: Confirm Activation