Computer firmware for operating programmable logic controller; Computer hardware; Micro-computer; Programmable logic controller (PLC)

Micro-computer; Computer Hardware; Computer Firmware and software for use in the field of programmable controllers; Basic and Ladder Logic On-Chip computer for controlling and monitoring other circuitry; computer software for use in composing and compiling programs written in Basic and Ladder Logic Diagram; Semiconductor chips; Circuit boards and operating systems software and user manuals for use therewith sold as a unit.