Write-only sequence controller

Details Write-only sequence controller Write-only sequence controller

G - Physics

06

F

354/67

G06F 13/00 (2006.01) G05B 19/04 (2006.01) G05B 19/10 (2006.01)

Patent

CA 1195777

ABSTRACT OF THE DISCLOSURE A write-only sequence controller in which data regarding the period of time in one cycle is divided into data "1" and data "O" which are designated by the number of the clock pulse. To this end, the system is provided with ten key switches for converting the data "1" and data "0" into the number of the clock pulse and an encoder for converting the number of the clock pulse into BCD codes. The BCD codes are set in presettable counter which counts the clock pulse from a clock pulse generating circuit through gate circuits. The system is further provided with a binary counter for counting the clock pulse applied to the presettable counter, memory RAMs connected to address lines of the binary counter for memorizing data from the counter, and an EPROM for memorizing data stored in the memory RAMs. When the number of the clock pulse applied to the presettable counter and to the binary counter reaches the preset number, the gate circuits are closed. By operating a set switch, data stored in the memory RAMs are programed to the EPROM.

382494

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