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can anyone tell me about the basic concepts to consider before to start a PLC panel wiring
ABB,
1990How a pH sensor & analyzer work at waste water treatment plant, whats the principle & science is beyond this,How pH sensor sence & convert signal & move toward analyzer & analyzer show reading in percent? also what is temperature compensate option in analyzer
1 9365How a conductivity sensor & analyzer work at boiler, whats the principle & science is beyond this,How conductivity sensor sence & convert signal & move toward analyzer & analyzer show reading in percent? also what is temperature compensate option in conductivity analyzer
2840How a oxygen sensor & analyzer work at boiler or furnace, whats the principle & science is beyond this,How O2 sensor sence & convert signal & move toward analyzer & analyzer show reading in percent?
2 9214what will be the principle & application of dissoled oxygen analyzer at wast water treatment plant at oxidation basin & how it work?
1 5070FOR CO/CO2/O2/NOX applications which of the following manufature is best? and what is the basic principle of gas analysers? ABB/YOKOGAWA/EMERSON/SIEMENS/TELEDYNE/THERMOFISHER
4 7857I am going to attend a recruitment drive by Schneider in 2 weeks. They have a technical test in the beginning. I would like to know what are the areas i should concentrate on while preparing for the test. My major is Electronics and Instrumentation.
1 4365Post New Instrumentation Questions
Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem
What is eddy current? Describe the operating principle of proximity probe.
What are different types of orifice plates?
What is heating effect?
what is difference between HOT permit and cold permit
why fuse block is not used for AI signal?
POSSITIVE PULSE IS APPLIED TO AN INVERTER INPUT.THE TIME FROM THE LEADING EDGE OF THE INPUT TO THE LEADING EDGE OF THE OUTPUT IS 10 ns. THE TIME FROM THE TRAILING EDGE OF THE INPUT TO THE TRYLING EDGE OF THE OUTPUT IS 8 ns. WHAT ARE THE VALUES OF tPLH and tPHL?
Why even multiple power supplu r used in instrumentation system?
Explain bernoulli’s theorem.
Capacitance, resistance ( colour coding ), parallel & series circuits.
diff between neutral ,ground,phase , earthing and shielding?
why we are using drum level control valve air to close?
what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?
what is metal of piston ring
How we can check the 2 wire proxy switch? & how it is connected to DI MODULE OF PLC?
