plc中英文翻譯-wenkub.com
2024-10-28 16:21 本頁面
【正文】 they believe this simply means that PLCs and PCs will be able to share the same data. There are inherent architectural differences between a general purpose puter, says Rich Ryan, and a programmable controller .There are hardware constructs built into almost every manufacture39。t begin selling universal I/O system from other vendor. if we start selling that kind of product, says jannotta, what do we manufacture? With more intelligent I/O appearing, Sal Provanzano feels this will lead to more differentiation among I/O from different makers. Where the I/O bees extremely intelligent and bees part of the system, he says, it really is hard to define which is the I/O and which is CPU. It really CPU, if you will, is equally integrated into the system as the I/O. Connecting PLC I/O to PCs While different PLCs probably will continue to use proprietary I/O, several vendors make it possible to connect5 their I/O to IBM PCpatible equipment. Allebradeley, Could, and Cincinnati Milacron already have, and rumor has it that GE is planning something along these same lines .Bill Ketelhut, manage of product planning at GE Fanuc North America ,sees this sort of thing as alternative to universal I/O.I think the trend ,instead of toward universal I/O, will be multiple host interface , he says .Jodie Glore ,director of marking, Square D Automation Products, Views it as another indication that PLCs are, and have been for some time, industrial puters. PLCs and PCs If the IBM 7552, the Action Instruments BC22,and other puters are appearing on the factory floor, won39。t yet talk to MAP. Since it39。t appear immediately .Says Larry Komarek: Right now, MAP is still a moving target for the manufacturers, a specification that is not final .Presently, for example. people are introducing products to meet the . products will be obsolete when the new standard for is introduced. Because of this, man
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