SIR MAY I KNOW IF RADAR TYPE LEVEL TRANSMITTER SHOWING IN
THE FIELD 0 % LEVEL AND IN DCS SHOWING 100% THEN WHAT IS THE
CAUSE I CLEAN THE CHAMBER & TAKEN ONLINE BUT ONLY ONCE ITS
BECOME ZERO IN DCS BUT AGAIN 100% SHOWING IN DCS,THEN I
REMOVE THE POWER SUPLLY AND CONNECT IT AGAIN .IS IT OK BUT
STILL IN THE DCS ITS 100% AND ON THE DISPLAY ITS
INITILAZIATION PLEASE HELP ME READRING THIS?

Answer Posted / prakash malviya

first u have 2 remove o/p wires of 4-20 ma then connect ma source with parellel this.then give 4& 20 ma...at 4 u see 0 %lvl & at 20 u find 100% lvl in dcs.if can't then u have 2 check from dcs side.in dcs check AI card particular channel for this.check wires grounding.
2nd condition if u find proper response in dcs with ma given to o/p wires..then go to the radar menu ..go to configuration..in that u find tank lvl...select full...then save it..

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

10281


1. what is modbus cable? 2. what kind of communication we are using for the interface of DCS, ESD and Third party cabinets? 3. What is serial communication and peer to peer communication?

1666


what is the procedure to callibrate temp controller ,pressure controller,etc. suppose a temp controller showing error 1.5 degree centigrate how can i minimize it.

1861


HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?

2963


anybody having Qatar Petroleum questions for instrument Technician offshore ....please send me

5544






Can anybody tell me which type of question are asked in the interview for the FORMULATION(Pharma) as a instrumentation engineer, & question in building managment system.

1579


Differentiate between ultrasonic flowmeter and radar type flow meter

739


What is the meaning of wet leg

670


what is temperature compensation?

4772


how pressure transmitter work, what is its principal to measure and how its generate signal. for pressure transmitterinstallation which precautions must be taken ??

1314


Linear amplifier.

1538


What is voltage regulator?

625


Meaning of the following a. IOP- Manimum; b. IOP- Maximu,;

1650


䑰ҕ䔈ҕ䖠ҕ䘰ҕ䛀ҕ䝐ҕ䟐ҕ䢐ҕ䥐ҕŹ

1528


Calibration procedure for water rotameters

1747