H. B. ABRAMS COMPANY
The MODEL PPS Preprogrammed Sequencer preprograms the customer's sequence on a programmable read-only memory chip (ROM). This ROM is a small (6x1.5 inch), 28 pin integrated circuit, allowing the user to vary programs in the field. The ROM has a very large memory and is capable of programming very complicated programs. The units can be ganged to form multiples of eight circuits.