Process Control Computer Systems: Guide for ManagersTom G. Stire |
From inside the book
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Page 12
... automatic control is accomplished by the analog device . The operator selects a new setpoint value , the computer outputs the value to the controller , and the controller adjusts the end element to maintain the process value . Control ...
... automatic control is accomplished by the analog device . The operator selects a new setpoint value , the computer outputs the value to the controller , and the controller adjusts the end element to maintain the process value . Control ...
Page 23
... automatic process control . Each form is different , requiring different know - how and experience , even though a computer may be used in each instance . The various types of automation are dis- tinctly different in terms of the ...
... automatic process control . Each form is different , requiring different know - how and experience , even though a computer may be used in each instance . The various types of automation are dis- tinctly different in terms of the ...
Page 187
... automatic hardware controller is 99 % . This means that either location of the strategy will result in 90 hours per year when no automatic control will be performed . While the automatic controls are inoperative , a per- son must be ...
... automatic hardware controller is 99 % . This means that either location of the strategy will result in 90 hours per year when no automatic control will be performed . While the automatic controls are inoperative , a per- son must be ...
Contents
The Management Overview | 1 |
Process Control Is Not Data Processing | 19 |
Control System Hardware | 41 |
Copyright | |
10 other sections not shown
Common terms and phrases
alarm algorithms alternative analog control analog signal application software areas assembly language automatic automation backup capabilities central computer central control central processing unit changes chapter checked complete components computer control system computer system control devices control panels control room control strategies control system staff coordination cost data base data logging data processing defined detailed digital control system digital systems disk display documentation electrical equipment evaluation failure field FORTRAN functions graphic hardware implementation input installation instrumentation and control keyboard language logic loop maintenance manual microcomputer multiplexer needs optimization output owner perform personnel PID CONTROL planning plant problems procedures process computer programmable logic controller programming programming language pump real-time reports responsibility result savings SCADA schedule selected sensor setpoint signal software maintenance specific startup storage submittals supplier switch system manager system software task typically valve variable vendor wiring