Answer / mail2noor.hyd

hi
transmitters 2wire, 3wire and 4 WIRE

in 2 wire transmitter POWER AND SIGNAL SAME CABLES i.e in 2
wires,

in 3 wire transmitter POWER AND SIGNAL WITH EARTHING

4 WIRE--------- 2 cables for POWER another 2 for SIGNAL

POWER (SOURCE): 24V DC
SIGNAL(O/P) : 4-20mA

Answer / giridharan

mostly in industry of petrochemical we will use only 2 wire
in which power and signal

actually signal will be 4-20 ma

power will be only 24 v so as it will send and same will
recieve it.

Answer / siju n u

transmitters 2wire, 3wire and 4 WIRE

in 2 wire transmitter POWER AND SIGNAL SAME CABLES i.e in 2
wires,

in 3 wire transmitter -ve will be common for power and
signal .

4 WIRE--------- 2 cables for POWER another 2 for SIGNAL

POWER (SOURCE): 24V DC
SIGNAL(O/P) : 4-20mA

Answer / vinesh prajapati

transmitters 2wire, 3wire and 4 WIRE

in 2 wire transmitter POWER AND SIGNAL SAME CABLES i.e in 2
wires,

in 3 wire transmitter POWER AND SIGNAL WITH EARTHING

4 WIRE--------- 2 cables for POWER another 2 for SIGNAL

POWER (SOURCE): 24V DC
SIGNAL(O/P) : 4-20mA

Answer / gajanand solanki

The Reason of using two or Four wire transmitter is of
length of Wire means if the transmitter is mounted at a far
distance from the Controller we will use four wire if it is
near we will use two wire.
Means it is the matter of Accurately measuring the pressure.

where cn i find the previous years question paper for psu exam???????//

0 Answers  

what is thermo coupler and how it works

2 Answers   Tisco,

I am new in work for 1 of our project we have some instrument in BOM including Pressure, Temp. and so on, I also noticed some objects like pressure switch process HOOK UP; which I don't know what does "HOOK UP" mean here.

3 Answers  

what is electric motorised valve working principle.

1 Answers  

WHAT IS A CALLIBRATION? WHAT IS MEEAN BY LOOP CHECKING INCLUDES PRESURE, THERMOCOUPLE,TT,DT?

5 Answers  

What is linearity of RTD over 0 to 200 degC?

1 Answers   Honeywell,

A flange is used for instrument connection for a system with a design temperature of 316C (600F) and a design pressure of 1000 kPa (145 psi). What is the class rating of the flange to be used for this application? Explain your answer

0 Answers  

Please send the all question with answer related for interview.

1 Answers  

What is the difference between HMI and SCADA and MMI

4 Answers  

What is differnece between leveltroll and interface leveltrol?

2 Answers  

Control valve Flow characteristic. How the equal percentege curve form?

5 Answers  

ABB DCS (AC 800 M)redundency take howmany milliseconds to switch from master controller to slave?should be less than DCS scanning time?

2 Answers   SCS,