arunkumar sandu


{ City } hyderabad
< Country > india
* Profession * i&c engineer
User No # 96498
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Question { 7932 }

A temperature sensor (RTD) connected via a temperature transmitter is adjusted to give an output of 4ma at 60 deg and 20 ma at 600 deg.
This output (4-20ma) from the transmitter is connected to an IGBT-inverter to control a high speed (-12,000 to +12,000 RPM) DC motor.
And in the inverter it is programmed as, for 4ma the motor speed will be -3,000 RPM and for 20ma the motor speed will be +10,000 RPM.
The question is : If the motor speed is +5,500 (RPM), what will be the temperature?
(-sign indicates that the motion is in reverse direction).


Answer

415 degree centigrade and ma is 15.4

Is This Answer Correct ?    0 Yes 0 No

Question { 3132 }

What is smart positionar


Answer

Which is having inbuilt i/p converter and feedback in an single positioner...

Is This Answer Correct ?    1 Yes 3 No