Clean download, no malware per VirusTotal. Installation took ~5 minutes. The only issue: the default install path is C:\Program Files (x86)\Sucosoft S40\ – make sure your user account has write permissions to that folder, or saving projects will fail. After fixing permissions, everything worked fine.
Choose the destination directory (the default C:\ST_S40\ or similar short path is recommended to avoid long file-path errors common in legacy software). Follow the on-screen prompts to complete the file transfer. 4. Setting Up PC-to-PLC Communications
You can find software updates and demo versions on the official asset servers:
To help me tailor any specific troubleshooting advice, let me know: Which you are using on your main computer The exact model number of your Moeller PLC (e.g., PS4-201)
If you want to fine-tune your setup or need help troubleshooting a specific error during configuration, tell me: sucosoft s40 programming software install download
Sucosoft S40 is the legacy programming software for Moeller (now Eaton) PS4 series PLCs, including models like the
To upload or download programs to a physical Moeller PS4 PLC, you must bridge your host computer's hardware ports to the virtual machine.
The software is explicitly designed to configure, program, test, and commission the following legacy Moeller hardware: compact PLCs. PS4-341 modular PLC networks. EM4 expansion modules and Suconet K networking interfaces. 2. Technical System Requirements
Professional users often find it complicated compared to modern alternatives like EasySoft. A major drawback for maintenance is that you cannot "upload" an editable project from the PLC without having the original source files; otherwise, you can only retrieve machine code. Installation and System Requirements Clean download, no malware per VirusTotal
The type of you are using to connect the hardware Share public link
Sucosoft S40 does not officially support Windows 11 or macOS. If you use macOS, run a Windows 10 virtual machine (VMware or VirtualBox) with USB pass-through.
Install the VM integration tools to enable drag-and-drop file sharing between your Windows 10/11 host and the guest OS.
: You will typically need a specific programming cable, such as the ZB 4-303 KB1 , to connect your PC to the PLC. Key Features for Engineers After fixing permissions, everything worked fine
Typically the RS232-based UM1-1.1 or an equivalent programming cable.
Open the to identify which COM port number has been assigned to your USB-to-Serial adapter (e.g., COM3). Launch SucoSoft S40 .
For older DOS-based variants of Sucosoft, configure DOSBox to mount the installation directory and execute the setup utility. 5. Programming Cable and Communication Setup
Right-click the Sucosoft shortcut icon, select Properties > Compatibility , and check the box for "Run this program in compatibility mode for Windows 98 / Windows Me".
Import necessary libraries for PID or positioning via the library manager.