Recent content by Don Clark

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    Advantages of Allen Bradley CompactLogix vs Siemens PCS7 for utility control systems

    Is there an advantage of using CompactLogix for utility control systems (e.g. boiler controls) over using PCS7?
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    Bentley Nevada VGA flat touch screen blanks out

    I have a BN 3500 panel where a touch screen VGA display shows bar graphs for the vibration points for a steam turbine generator that is currently down. This display frequently blanks out and when it starts coming back on, it displays only a few points with no data. I suspect I have an issue with...
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    GE Mark VIe DRAM failed code

    I have a GE Mark VIe IS220UCSAH1A (UCSA-H1A) controller that is showing a "failed to initialize DRAM or DRAM tests failed". It is indicated by 2 blinks of the boot light upon start-up. After going through my GE documentation , I cannot find if this is a hardware, a BIOS, configuration issue...
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