Programmable Automation Controller with MiniOS7, Ethernet Port and 2 Serial Ports. The μPAC-5000 series is a palm-size programmable automation controller. It has a 80186 CPU, SRAM , Flash, Ethernet port, RS-232 and RS-485 port. With a DOS-like OS (MiniOS7) and a developed fi rmware running inside, it can act like a small PC.ICP DAS provides easy-to-use software development tool kits (Xserver, MiniOS7 framework, VxComm, Modbus libraries). Users ca..