The WP-8841 is a serious machine. Running Windows CE 5.0, it's a Programmable Automation Controller with 8 I/O slots. Upgrading is a smooth transition since old applications can simply be copied onto the device. Its dizzying CV includes 14 MB of built-in flash memory, a powerful 520 Mhz CPU, hot swappable I/O module, comprehensive I/O expansion ability, a dual watchdog timer, dual Ethernet ports, redundant power inputs, dual battery backup, RS-485 ports, CAN bus and FR net.