Wire And Apply Power - Emerson Rosemount 3144P Quick Start Manual

March 2020
3

Wire and apply power

3.1 Wire the transmitter
Table 3-1: Single Sensor
2-wire RTD and
ohms
(1) Emerson provides 4-wire sensors for all single-element RTDs. You can use these RTDs in 3-
wire configurations by leaving the unneeded leads disconnected and insulated with
electrical tape.
(2) Transmitter must be configured for a 3-wire RTD in order to recognize an RTD with a
compensation loop.
Table 3-2: Dual Sensor
Emerson provides 4-wire sensors for all single-element RTDs. To use these RTDs in three-wire
configurations, leave the unneeded leads disconnected and insulated with electrical tape.
ΔT/ ΔT/Hot Backup/
™
Hot Backup / dual Sensor with
dual sensor two
with two thermocouples
RTDs
Quick Start Guide
3-wire RTD and 4-wire RTD and
(1)
ohms ohms
ΔT/Hot Backup/
dual sensor with
RTDs/
thermocouples
T/Cs and RTD with
millivolts compensation
loop
ΔT/Hot Backup/
dual sensor with
RTDs/
thermocouples
Quick Start Guide
(2)
ΔT/Hot Backup/
dual sensor
with two RTDs
with
compensation
loop
7