can we replace a pressure transmitter of range 0 to 25
Kg/cm2 by a Pressure transmitter of range 0 to 10
Kg/cm2 ?.. Will it affect 4 to 20 mA output signal which we
will feed to the PLC.
Answers were Sorted based on User's Feedback
Answer / ruchita
Yes it will affect the 4-20 mA signal. say for example if we are using PT of rsnge 0 to 25 bar bt internally we use only 0 to 10 bar range den it can be replaced otherwise not
| Is This Answer Correct ? | 9 Yes | 4 No |
Answer / yashwant
yes, only make sure the pressure will never rise beyond 10 I
think its design for 25 in safety condition. if u wish O/p in
0-10 you can scale 4-20 ma as 0-10 at plc, no need to change
tx.
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / vijay
it depend upon ur range in the application for example
piston producing pressure within 10kg/cm2 then u can use it
by change program in the plc otherwise u cant
| Is This Answer Correct ? | 5 Yes | 3 No |
Answer / vinod hepat
Yes first of all note whether range is suitable for ur
application.replace transmitter & accordingly change the
range in DCS.
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / madhav kamble
Yes. you can replace the pressure transmitter form 0-25 to
0-10. it willnot change the 4-20 mA which we will send to
the PLC but you to change the calibration at PLC for New
0-10 transmitter.
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / govind singh
Going by standards, 20 mA of first transmitter will read 25 kg/cm2 pressure, while same reading for second transmitter will be 10 kg/cm2. So at same pressure, both transmitters will send different current signals. So calibration at the DCS end will be needed.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / imran
first of all you need permission to replace pressure tx
from operation instead 0-25 by swaping 0-10cause it will
effect process & may you r going to upset process other
point of view by technical you need to configure it & it
will give you output vice varsa
| Is This Answer Correct ? | 2 Yes | 3 No |
Answer / dinesh kumar
Its not possible by answering without knowing the application
But in both the cases v can get the 4-20mA output
In case if the o/p doesnt goes beyond 10kg then v can replace and the o/p side of tx shud be calibrated before installing and the changes shud be entered on plc.
In another case if the user wants better accuracy he may b using 0-25kg/cm2 tx eventhough the internal pressure is b/w 0-10kg/cm2
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / trideep
If range is in b/w 0-10 kg/cm2 or with in that, then it will do..
| Is This Answer Correct ? | 0 Yes | 3 No |
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