Ensure you are actually running Version 3. Older versions or specific modified "EDU" editions may occasionally use different codes (such as ), though 9966 is the standard for V3. Administrative Rights
Because PC Simu is an older executable, it may struggle to save its "unlocked" state if it doesn't have permission to write to its own folder. Right-click the application icon. Select . Language Compatibility Pc Simu V3 Password
If the code 9966 does not work, or if the software behaves unexpectedly, consider these common fixes: Incorrect Version Ensure you are actually running Version 3
It maps perfectly with the S7-200 simulator via virtual inputs and outputs (I/O). Right-click the application icon
Sometimes, the decimal separator or keyboard layout of your PC can interfere with digit entry in older Spanish-developed software. Ensure your keyboard is set to a standard layout when typing the numbers. Why Use PC Simu V3 Today?
Despite being older software, PC Simu V3 is still widely used in technical colleges for several reasons:
It allows users to see their logic in action—watching a virtual cylinder extend or a tank fill helps catch "logical" bugs that code alone might hide. Safety and Best Practices