Registers – Systems controlled by data bearing records – Operations analysis
Patent
1978-08-10
1980-07-22
Kilgore, Robert M.
Registers
Systems controlled by data bearing records
Operations analysis
35 2, 35 48B, 235441, 235443, 235445, G06K 706, G06F 1546, G09C 100, G09B 2300
Patent
active
042141532
ABSTRACT:
A tape and tape reader for industrial process programmable controller systems in which the I/O functions for process steps have been laid out in sequentially consecutive binary notation fashion computer data word form, in the order of sequence of the process steps, in accordance with which the tape is a ribbon that is delineated to have applied to same the computer data word indicia in modularized group or set form, in which groups or sets the computer data words for the consecutive process steps are sequentially arranged transversely of the tape, with succeeding groups or sets following in sequential order, wherein the computer data word indicia is manually marked on the tape binary notation system fashion, with electrically conductive marking material, and the reader is formed for pull through application of the tape therethrough and includes an electrical contact arrangement for electrically sensing the tape markings in consecutive word group or set form, with continuous manually induced movement of the tape through the reader, for storing of the computer word sets in the controller memory for controlling the process through the controller central processing unit.
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3,982,102 09001976 Cidade 235 61.6 E
Donald Henry "Sequential Approach Simplifies PLC Programming"; Control Engineering, Mar. 1976, pp. 83-84.
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