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The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
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- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
Penguin Trivia #46:
Animals who are not penguins can only wish they were.
-- Chicago Reader 10/15/82
Animals who are not penguins can only wish they were.
-- Chicago Reader 10/15/82
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from the Automation List department...
Re: Transmitter cable shielding
If a shielded signal line is grounded on both ends, a ground loop noise problem may be generated. You know a voltage difference will usually be found between various ground points in a plant.
Hope this helps you.
Vahid
Hope this helps you.
Vahid
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Above articles copyright 2008 Reed Business Information.
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