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.

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