: Chapter 31 of the manual covers the instruction set for ladder logic, including bit basics, timers, and counters.
Though often viewed as a mere administrative hurdle, the GPPro EX 31 Key Code is a foundational element of industrial HMI development. It validates the relationship between the software developer and the end-user, ensures the integrity of the automation environment, and empowers engineers to deploy the full suite of tools necessary for modern industrial excellence.
Without entering a valid key code, the software operates in . Trial Mode vs. Registered Mode
Pro-face software licenses can sometimes be locked to specific global regions (e.g., Americas, Europe, or Asia). Ensure you downloaded the software installer from the same regional portal where you bought the license. gppro ex 31 key code
: Without a key code, the software operates in "Trial Mode." This allows you to test features but restricts you from transferring projects to an actual HMI.
You can design screens, test logic, and simulate projects.
: If you have a serial number but no key code, you must register it at the Pro-face Online Registration page Email Confirmation : Chapter 31 of the manual covers the
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GP-Pro EX v3.1 remains a reliable, "workhorse" development platform for older Pro-face HMI hardware. While newer versions (v4.0+) have superseded it, v3.1 is still highly valued for maintaining legacy systems.
If you want, I can:
If you install the software without entering a valid key code, it defaults to (sometimes referred to as the Limited Edition). While in Trial Mode, you can explore the interface and build basic projects, but you will face strict operational limitations:
A 12-digit alphanumeric string that serves as the cryptographic password to unlock the software features bound to that serial number. How to Apply Your Key Code During Installation
A key code generated for GP-Pro EX Version 4.0 or higher will not work on Version 3.1. Similarly, older Version 2.0 codes are rejected by the 3.1 installer. Ensure your license certificate explicitly states support for Version 3.1. 2. Key Code vs. Transfer Key Without entering a valid key code, the software operates in
When you purchase GP Pro EX 3.1, the licensing credentials can be found in the following locations: