Answer Posted / carl_ellis
An i/e converter is a current to voltage converter. A
current to voltage converter is a resistor. Electrical
current through a resistance develops a voltage. Ohms Law
determines the voltage drop, E = I/R.
An i/e resistor is typically used in the process world in
4-20mA current loops as the component installed across the
(+) and (-) terminals of an analog input because analog
inputs expect a voltage input. The majority of DCS, PLC,
recorder, controller and indicators use 250 ohms as an input
but other values are used, 1 ohm, 10 ohms, 62.5 ohms, 50
ohms, 100 ohms. Do not assume an analog input is 250 ohms.
Carl Ellis
Measure First
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
anybody having Qatar Petroleum questions for instrument Technician offshore ....please send me
What is the difference bitween control net scaner and device net scaner
What is the use of temprature compensation?
What is the purpose of LO Overhead tank in turbines.
what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail
Draw a complete P&ID of a flow suction tank indicating all control & protection equipment. Indicate all its inlets and outlets. Explain the controls for this system
Describe the functions of the Operator Interface including the considerations related to alarming and display layout/configuration/layers.
Which products are available in the Mass Systemswitch and System Manager AC range?
what would be the minimum flow rate that we can measure on rotameter..?
How u will setup SPI(2007) on Citrix Server (Thin Client Mode)? Plz Justify?
i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......
Where Can i take a SPI INtools training in Mumbai? In Rolta India Ltd to whom I should approach regarding of SPI INtools Training?
what is a good line as ic engineer as maintenance ,oc, project, calibration ,validation engineer?
1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?
Why mixer nd grinder Is example of constant torque load not variable torque load ???