Via SD card, the unit expedites large-scale programming while increasing capabilities by transferring device parameters, boot files or other file types between controllers. Accessible via FTP, the card is also an additional drive or data backup. The unit also employs new function libraries, and an upgraded 2MB Fast File System with integrated Web server for configuration options, status information and Web pages, and supports multiple protocols. Optional SD Card fortified with gold-plating withstands harsh industrial applications. Two Ethernet interfaces and an integrated switch blend PLC-like functionality with IT networking flexibility.