Consider a level troll.
i am getting a correct value in 4mA and 20mA.
the value in the middle(30 to 60%)is disturbed and i am not
getting the appropriate value.
what is the solution to normalize the level and to get the
correct value..
Answer Posted / joe mccabe
a) calc the hyteresis and reset the 4-20 to it, accepting
the deviation in the middle
b) test the amount of deviation @ 4ma,8ma,12ma, 16ma,&20ma
and see if slope is repeatable, write program correction
for slope
c) Your instrument has a hardware issue, do the right thing
and replace it.
| Is This Answer Correct ? | 6 Yes | 1 No |
Post New Answer View All Answers
what is temperature compensation?
In turbine what does term CDP, NH, HSSOC means.
Which tank weighing system is better to install (Accuracy point of view) 1) Tank weighing system with 3 load cell or 2) Tank weighing system with 4 Load cell
What is motion balance principle?
can anyone tel the syllabus or previous year question paper for BHAVINI(EIE)2014.
In turbine what does term CDP, NI, NH, HSSOC means.
why is not useing in boiler skin thermocople
Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?
How to find out the current of two motors having same power consumption but different RPM?
hi! i want to know about mpse exam.
how to rectify the poor signal strength in utrasonic digtial flow meter ,model:ge digital xce868i
how works encoder in plc
We Have Two Field bus Pressure Transmitters of Different Sensor Range (I.E One is of Lower range and Another is of Higher Range).Is same Process Line. My Question is Can i provide Saturation Limit to my field Bus Transmitter as We can provide Saturation current limit to HART Instruments. As During Low Pressure Both Working OK ,But During High Pressure, transmitter with Lower sensor range Goes to Fault mode as Beyond its Sensor Limit it can Measure, So may I provide Saturation point Some where to Suppress This Fault during High Pressure.
Programmable Logic control.
How many are the types of instrument cables in terms of No. of pair.