SIMATIC S7-MODULAR EMBEDDED CONTROLLER, EC31, 1 GB RAM, 4 GB FLASH DISK WITH PREINSTALLED SW: WINDOWS EMBEDDED STANDARD; SDK INTERFACES: 1. IF: 2X PROFINET, 2. IF: 1X FAST ETHERNET, 3. IF: 2 X USB, MMC SLOT, DOCUMENTATION ON DVD, RESTORE CD/DVD