Unformatted text preview: 10. What is polling in computer process control? 11. What is an interlock? What are the two types of interlocks in industrial control? 12. What is an interrupt system in computer process control? 13. What is computer process monitoring? 14. What is direct digital control (DDC), and why is it no longer used in industrial process control applications? 15. Are programmable logic controllers (PLCs) more closely associated with the process industries or the discrete manufacturing industries? 16. What is a distributed control system? 17. What is the open architecture philosophy in control systems design?...
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- Spring '11
- Control Engineering, Discrete Control