Computer firmware for operating Programmable logic controller; Computer hardware; Programmable logic controller (PLC); Semiconductor chips

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 Language and Ladder Logic Diagram; Semiconductor chips; Circuit boards and operating systems software and user manuals for use therewith sold as a unit

COMPUTER DISKS AND STORAGE UNITS