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AWWA CSC92060
- Mini or Microcomputers for Hosting SCADA Systems?
- Conference Proceeding by American Water Works Association, 01/01/1992
- Publisher: AWWA
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The choice of a mini or a micro for hosting SCADA systems is anything but clearcut. Small water utilities with relatively low computing expansion expectations may have no need for the advantages a mini-based system offers, and MS-DOS based SCADA software (on a personal computer) may work well for them. Those with needs other than SCADA are given a number of points to evaluate in deciding whether to purchase a mini or micro. Following a detailed explanation of micros, minis, and SCADA systems, the author presents a number of issues to be considered: expandability and obsolescence, especially as they relate to open systems compliance, graphics windowing techniques, open operating systems in POSIX compliance, and relational database connectivity; familiarity; price; maintenance; and utility environment. Typical hardware configurations or "shopping lists" are given for micro and mini.
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