General-purpose functional circuit and general-purpose unit for programmable controller
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United States of America Patent
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-
May 23, 2006
Grant Date -
Feb 5, 2004
app pub date -
Nov 28, 2001
filing date -
Nov 30, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A general-purpose functional circuit for a programmable controller, comprising: an external connector which is connected to an external appliance to be controlled; an interconnecting connector which is connected to at least a CPU unit of the programmable controller; and an arithmetic processing member which has at least a function of transmitting to and receiving from the external appliance connected to the arithmetic processing member through the external connector, signals and performing a logical operation based on an external signal received from the external appliance so as to transmit to the CPU unit via the interconnecting connector, a logical operation signal corresponding to a result of the logical operation; wherein the CPU unit includes a CPU for executing a sequence program.
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