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DDave replied to the thread Life expectancy of 24VDC power supply continuously being in use in DCS & PLC System.Indeed, even solder connections have a MTBF
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DDave replied to the thread Calibration of new type DP Level Transmitter Make Endress+Hauser.The volume of the horizontal tank is immaterial, only the liquid level relative to the transmitter connection. Such factors have been...
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DDave replied to the thread Life expectancy of 24VDC power supply continuously being in use in DCS & PLC System.Those numbers indicate that the greatest loss of reliability is outside of the control of the manufacturer, and in the hands of the end...
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D@97133FHD, Let me guess--the turbine is a GE-design Frame 9E manufactured in Belfort, France. OR, the original turbine control system...
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DDave replied to the thread Process Engineers: What's one thing you'd improve about your plant's alarm system?.There is no simple answer as it involves process design, and how are the controls and alarms supervised. The latter dictates that...
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DDave replied to the thread PLC programming books.George Boole offers a good introduction "The Laws of Thought."
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DDave replied to the thread PLEASE, I AM NEW TO PLC, HELP ME GO THROUGH MY PROGRAM.To automate, you begin with the motor start switch, then decide what's next, one step at a time.
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DDave replied to the thread How we check vortex flow meter yewflo give a correct out put 4-20 against gas flow in side the vortex.Typically, you have the meter shop tested prior to purchase
