Simply deleting the software's folder from your hard drive will fully uninstall Sucosoft S40. The installer modifies system files and adds registry entries that will be left behind if you use this method.
What Sucosoft S40 Programming Software Does
Suco does not publicly host the latest S40 versions on an open web server. To download the software, you have three options:
Contact your local Eaton or former Moeller distributor. They maintain archives of legacy software tools and license keys for existing hardware customers. 3. System Requirements & OS Compatibility
How to Download and Install SucoSoft S40 Programming Software sucosoft s40 programming software install download
existing logic without migrating to a new (and expensive) PLC platform.
Sucosoft S40 is not the same as Sucosoft S46 (for 8-bit controllers) or Sucosoft S50 (for new 64-bit Linux-based controllers). Verify your controller model before downloading.
Download was easy, but installation failed twice until I realized the software without compatibility mode (set to Windows 7). Also, the download page could use clearer instructions about disabling driver signature enforcement for USB dongle users.
To avoid corrupting your installation:
Once you have the legitimate .exe or .zip file:
| Error Code | Description | Solution | | :--- | :--- | :--- | | | Installation package problem | Re-download the ZIP; disable antivirus; run as admin. | | “No target found” | Device not recognized | Cycle power on S40; check USB cable; reinstall drivers in Device Manager. | | “CODESYS Gateway not running” | Background service failed | Open Services.msc, locate “CODESYS Gateway V2”, set to Automatic and Start. | | COM port conflict | Port in use by another app | Close any terminal emulators (Putty, HyperTerminal). Change COM port in Device Manager > Advanced. | | Windows cannot verify digital signature | Driver signing enforcement | On Windows 10/11: Restart with “Disable Driver Signature Enforcement” (Shift+Restart > Troubleshoot > Advanced Startup). |
Follow the on-screen prompts to select your preferred language (English, German, French, Spanish, or Italian). www.automatas.org Programming Basics
Windows XP (32-bit Professional with Service Pack 3 is the most stable native environment) Modern OS Compatibility (Windows 10 & Windows 11) Simply deleting the software's folder from your hard
Download and verify installer
However, finding a legitimate and safe download link for industrial software can be frustrating. Unlike consumer apps, SucoSoft S40 isn't typically available on public "download dot com" sites. Here is the correct, safe workflow to obtain and install it.
There are two common scenarios for activation: