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

January 2024
3

Wire and apply power

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