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Article | January 31, 1997
Central processing unit
PLCDirect (Cumming, GA) has added a new central processing unit (CPU) to its DL405 family designed for applications where both high-speed machine control and PID (proportional integral derivative) functionality are needed.
D4-450 has 16 configurable PID loops two processors four communication ports over 200 instructions built-in power supply and remote I/O capability and more than 2 local and 1 remote points.
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