: Supports IEC 61131-3 languages like Ladder Diagram (LD) and Structured Text (ST).

: The system requirements listed are for the classic versions of EPAS-4, which are intended for legacy operating systems like Windows XP. Newer operating systems (Windows 10, Windows 11) are not officially supported . If you run EPAS-4 on a modern OS, you should do so in a virtual machine or on an older, dedicated computer to ensure compatibility and stability.

EPAS-4 is a legacy automation software originally developed by (now part of Schneider Electric PacDrive M series of controllers, such as the C200, C400, and C600.

If your hardware operates a specific packaging or bottling line, contact the machine builder. OEMs almost always host a digital backup archive containing the precise version of EPAS-4 and the exact project libraries required to map that machine's hardware.

If you are working within an organization that has used PacDrive controllers historically, there is a chance that the software exists in your company's archives or on the original physical media (PacControl CD-ROMs) that accompanied hardware purchases.

If you have an original PacDrive system CD, the EPAS-4 installation files are located on it. To access the setup: