Programmable sequence controller

Details Programmable sequence controller Programmable sequence controller

1975-03-31

1976-08-10

Zache, Raulfe B.

Communications: electrical

Digital comparator systems

G06F 906, G05B 1904

Patent

active

039744841

ABSTRACT:
A programmable sequence controller includes a plurality of I/O modules and a corresponding number of memory modules which are sequentially and continuously addressed by a scanning counter. A step counter selects a set of 16 instructions in each memory module which are sequentially read out by the scanning counter. A logic unit advances the step counter when conditions are met to advance to the next programmed step.

REFERENCES:
patent: 3753243 (1973-08-01), Ricketts et al.
patent: 3810118 (1974-05-01), Kiffmeyer
patent: 3827030 (1974-07-01), Seipp
patent: 3829842 (1974-08-01), Langdon et al.
patent: 3849765 (1974-11-01), Hamano

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