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.

Why in turbine used two critical speed band ?

1 Answers   Ankit Metal Power,

can any one explain in which term we are flow flow is it volumetric r is it mass? and y

0 Answers  

A length of steel pipe is used to carry sea water to a desalination plant. An adequate corrosion allowance must be specified and indicated in the piping specification, which affects the _________________________ of the pipe

0 Answers  

What is the difference between intrinsic instruments and ATEX instruments?

1 Answers  

How much flow is passing through 6 inch line? There are no gauge, no any transmitters in line.

3 Answers  

what is pyrometer? which purpose it has to be used?

2 Answers  

Can we use thermocouple in generator of power station replace RTD(pt 100)? if we don't have any place for use RTD.

2 Answers  

FOR CO/CO2/O2/NOX applications which of the following manufature is best? and what is the basic principle of gas analysers? ABB/YOKOGAWA/EMERSON/SIEMENS/TELEDYNE/THERMOFISHER

4 Answers  

d/p flow transmitter LP side give to pressure.what you geting out put ? how you get(ma)?

6 Answers   ABB,

if we have 450 mm heigth boiler drum level ,so what is span & zero value for a dpt tranmitter

4 Answers  

What is smart positionar

2 Answers  

i want to calibrate a transmitter in the range of -100 to 300 mmwc. How it is possible to measure -100 to 300?.

2 Answers   Hindalco,