Recent content by phineascage

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    High Exhaust Temperature Spread Trip During Shutdown

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    High Exhaust Temperature Spread Trip During Shutdown

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    High Exhaust Temperature Spread Trip During Shutdown

    See my initial response. As to the MKV data capture rate, I am not certain how that is configured in the MKV HMI. I can look at this tomorrow and try to determine the rate. Not everything observed in the MKV HMI Alarm History/Summary is available in PI. The PI data comes via Modbus from the MKV...
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    High Exhaust Temperature Spread Trip During Shutdown

    Thank you for your assistance. Please ask more questions or request more data...
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    High Exhaust Temperature Spread Trip During Shutdown

    Dear Everyone, Our site is a GE 6FA 1x1 with a GE Fitchburg Steam Turbine. The CT uses a DLN 2.0 combustion system. We use a MKV and HMI for controls and interface. We have had 4 separate runs this summer. The first 2 were successful with little issues. The latter 2 have both resulted in a...
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    How to measure 125VDC contact inputs at Mark V DTBB terminal board

    Dear MIKEVI, Thank you for the quick response and the kind words. Measuring across the POS and RET with the contact open you should see full battery voltage ~125 vdc. Measuring across the POS and RET with the contact closed you should see ~0 vdc. Referencing EARTH ground with the black lead...
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    How to measure 125VDC contact inputs at Mark V DTBB terminal board

    I'm sure this is a simple thing but I am having difficulty in understanding how to interpret the 125VDC voltage readings for Mark 5 switch inputs at the terminals of a DTBB board. I am troubleshooting about 5 alarms that are related to input devices landing on the CD core termination board DTBB...
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    Mark V IO.ASG Question

    CSA, Thank you very much for your reply and I appreciate your advice. I was truly hoping you would respond as it seems that almost every Mark V post I've read here had your input. I apologize for not getting back sooner, been away from the computer. I'm certain I will have many more...
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    Mark V IO.ASG Question

    Greetings to the forum. My name is Michael and I'm a newbie to GE controls particularly the Mark V. I've done some work over the years with various instrumentation, controls, and PLC type systems so I'm not totally green. For about a year now I have been working in the power generation...
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