Used by companies worldwide in various industries and applications, JNIOR (junior) Series 4 provides usability-optimized and reliable technical option for replacing PLC or PC or other automation controller. Hardware features include DIO expandable via plug-and-play sensor port (including analog I/O), 2 serial ports, Ethernet port, 32 MB MPU with 32 MB SRAM, 32 MB Flash memory, and 2 MB battery-backed RAM. Multi-featured software, included, offers multitasking OS, Web Server, and JVM.