G - Physics – 06 – F
Patent
G - Physics
06
F
354/236.51
G06F 3/023 (2006.01) G05B 19/05 (2006.01)
Patent
CA 1118905
MEMORY PROGRAMMING CONTROL SYSTEM Abstract of the Disclosure A portable programmer panel incorporating switches, logic circuits and data indicators for storing a wire number program of a ladder diagram in a memory. A memory board is plugged into the panel. Selected sets of switches corresponding to fields F1, F2 and F3 are repeatedly set on a decimal basis for three successive instruction words (data) to be multiplexed as a group into memory locations, respectively indicative of the input wire number (F1), the contact number (F2), and the output wire number (F3) for a series contact or the last parallel contact; or the input wire number (F1) and the control coil or other output device number (F3) for an output function; or the input wire number (F1) and the contact number (F2) for a par- allel contact other than the last. Simultaneously, a switch in the F2 field is set to program the normally-open (N.O.) or normally-closed (N.C.) nature of the contact. Write-control switches are selectively actuated to enter the data in the memory and distinguish between all but the last one of parallel contacts, series contacts or the last parallel contact, and a control coil or other output function, and to display such data in decimal form and to step to the next memory address. Switches are incorporated along with a decimal indicator for displaying the memory location being addressed and for "rolling" at high speed or for stepping to locations forward or back and for displaying the data stored in each memory location being tra- versed. - 1 -
310802
Cutler-Hammer World Trade Inc.
Ridout & Maybee Llp
LandOfFree
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