Registers – Records – Templates and guides
Patent
1978-11-24
1980-04-01
Kilgore, Robert M.
Registers
Records
Templates and guides
235487, 235494, 361352, G06K 2106, G06C 1500, H02B 104
Patent
active
041957733
ABSTRACT:
A programmable controller system for controlling industrial processes in which the system includes a central processing unit including a random or other access memory, a programming tape, a tape reader for sensing computer data bits on the programming tape and connected to the processing unit for storing the data bits in memory, and means for connecting I/O devices to the processing unit, wherein a work sheet is employed that is arranged for manual marking of the program process steps in terms of I/O functions thereon in sequentially consecutive binary notation fashion computer data word form, in the order of sequence of the process steps. The tape is a ribbon that is delineated to have applied to same the work sheet 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, with the work sheet computer data word indicia being manually marked on the tape binary notation system fashion, and the reader being arranged for pull through application of the tape therethrough and for 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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Donald Henry-"Sequential Approach Simplifies PLC Programming"; Control Engineering, Mar. 1976, pp. 83-84.
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