CFHEADER – CFNET Field I/O User Manual Add Industrial Power to Your PC Standard PCs do not include digital or analog I/O ports, which makes them difficult to use directly in industrial environments. CFNET provides a complete solution for PC-based applications that require external I/O. Upgrade your PC and make it ready for use on the factory floor. CFHEADER connects to a PC via USB and can be used with a wide range of I/O modules. With the free C# library provided, you can easily read input states and control outputs using simple function calls. Supports digital input, digital output, and relay output modules Supports analog input and analog output modules Provides a basic library accessible from C# DIN-rail mountable CFHEADER is equipped with two USB ports. Only one port should be used at a time. One is a standard USB Type-B jack, which can be connected to a PC using a common USB A-to-B cable. The other is a Molex 4-pin connector designed to prevent accidental disconnection. This option is recommended for installations in industrial environments where stable operation is critical. The Molex-type USB cable is sold separately. Dimension