what is the difference between RS 232,RS 485,RS 422, how
they different from each other
Answer Posted / win
rs232 is half duplex & rs485 id full duplex in its function
which depends on programming
| Is This Answer Correct ? | 18 Yes | 99 No |
Post New Answer View All Answers
How d.p. Transmitter can be applied to open tank?
What you mean by multi stage control vavles?
how do we commission inergen system?
Calculate the maximum pressure drop that can be allowed to occur across a control valve, so that we can prevent cavitation / flashing from occurring. Use the following formula: Δ P allow = Km (P1 – PvapourA) where, Δ P allow - the maximum allowable differential pressure for sizing purposes, or terminal pressure drop; Km- the valve recovery coefficient from the manufacturer’s catalogue; P1 - absolute inlet fluid pressure; PvapourA - absolute fluid vapour pressure at the inlet temperature; Use Atmospheric pressure = 101.3 kPa, P1 = 1200 kPa(g), PvapourA = 4 kPa, KM = 0.72
Hi, Is there any smart plant instrumentation design training institute in Bangalore?
what is wave length were using ?
what will the sending unit in the fuel gauge utilizes?
can any one explain in which term we are flow flow is it volumetric r is it mass? and y
TEMPERATURE VARIATION FOR FREQUENTLY.
What is difference of fanuc alpha series 16i and 18i controller.also what is differnce betn TC and MC controller
What is motion balance principle?
What is the cascade control
I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.
What is Cavitation in a control valve?
which processor is used in dcs.