Coated 80486 processor with math coprocessor for Quantum PLC control ...

100MHz main processor with math coprocessor for Quantum PLC ...

100MHz main processor with math coprocessor for Quantum PLC system ...

Basic main processor with math coprocessor for Modicon Quantum PLC ...

Coated 1056kB memory main processor for Modicon Quantum PLC control system ...

Mid-range 1056kB RAM controller for Modicon Quantum PLC control system ...