Advantech PAC, APAX-5000 control IPC series is an industry first modular IPC, it is a PC-based machine control platform with comprehensive I/O modules, communication ports and control software for choice. It is also an automation control platform which provides an open development architecture with redundant, integrates control, information processing, and networking functilities in a single automation system. It is particularly designed for integrating. The APAX-5000 series pc-based controller, 8KV (air), 4KV (contact) ESD protection, 2,000 VDC (power Line) EFT protection 2,500 VDC isolation protection (between COM port and backplane).