Instrumentation Field Transmitters
Show More Show Less View Video Transcript
0:00
temperature transmitters. See these two
0:02
are temperature transmitters. You can
0:05
see the tag name on the top. This is the
0:08
canop TT means temperature transmitter.
0:12
This is area code. This is transmitter
0:15
number tag name. And this is the cable
0:18
coming from the thermouple
0:21
and this is the cable going to the DCS
0:24
system. And this is one flow transmitter
0:27
DP type differential pressure based flow
0:30
transmitter. All these instruments are 4
0:34
to 20 milliamp based instruments. They
0:37
support hot protocol also for the
0:40
configuration of these instruments. All
0:43
instruments in the industries operates
0:46
on 4 to 20 millia based signals. Every
0:50
industry wherever you go you will find 4
0:53
to 20 millia based instruments
0:57
and these are two wire instruments. What
1:00
is two wire? In this single cable see
1:04
this is the single cable blue color
1:06
cable connected to the transmitter. This
1:08
single cable provides power supply to
1:12
the transmitter and then carries this 4
1:15
to 20 millia output to the DCS system
1:18
using two wire that means one pair
1:21
cable. You can see this is flow
1:23
transmitter only one cable is connected
1:26
blue color cable. This is a two wire
1:28
instrument. That is why it is very
1:31
advantageous to the installation cost
1:34
optimization when compared to three wire
1:37
or four-wire systems. We have three-wire
1:40
instruments. Four-wire instruments also
1:43
available but majority the popular one
1:46
is two wire instrument.
#Industrial Materials & Equipment
#Manufacturing
#Industrial Measurement & Control Equipment

