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Process Control Software H E Pike Jr
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A/D converter analog signal analysis applications assembly language automatic automation block buffer carburetor central computer circuit communication complete components computer control computer system control system core cost counter data acquisition data bus data domains devices digital computer direct digital control disc electrical electronic engineering equipment error execution Figure FORTRAN functions handling hardware IEEE industrial input input/output installation instruction instrument interface interrupt logic loop machine manual manufacturing measurement memory ment minicomputer module monitoring multiplexer on-line output performed peripheral plant priority problem process computer process control processor production pulse puter READ-ONLY memory real-time relay remote stations request routine sampling satellite computers scan sensors setpoint signal specific speed standard storage stored switch tape techniques teletype temperature terminal tion transducers transfer unit valve variables voltage wiring