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LADDER LOGIC Can any body state Logic on following condition Instructions to use 1-XIC 2-XIO 3-Output ONLY Program Push 1st button On - 1st lamp should On Then Push 1st button Off - 1st Lamp Should remain on Push 2nd button On - 1st lamp should Off and 2nd lamp should On Then Push 2nd button Off - 2nd Lamp Should remain on.
4 8461suppose there is gas flow meter I want to know weather meter calibration is done at high pressure or low pressure? pls justify.
2 7267Post New Instrumentation Questions
What should be the main consideration while starting the Rotating compressor when we dont know the cut in and the cut off pressure setting of the pressure switch
What are the key features of a Distributed Control System? describing the various layers (sensor through to business system interfaces) as well as the hardware, software and security aspects of the DCS.
what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?
I want to measure and control level in tank of size 10*5 filled with gasoline, so plz give me the solution with clear details. how to select transmitter and sensors.
Using your own examples solve a problem involving normal table. (experimental method and analysis)
Positioner usage.
KAlman filter code for two dimension?
Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...
selection criteria of control valve? and selection criteria of actuator explain in brief?
Why MUX JB's are using only Temperature Element in Fundation field bus?
How to Calibrate Vibration Probe (Axial, Redial) in field
what is o2 analyzer and how it measured ,what is the role of this analyzer in cfbc boiler...
How to calibrate Toxic gas detector?
why Fahrenheit unit of moistur analyzer transmitter
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