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

March 2021
6

Wire and apply power

6.1 Wire the transmitter
Wiring diagrams are located inside the terminal block cover.
See Table
Table 6-1: 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 6-2: 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 This
table refers to wiring dual sensors for ΔT and Hot Backup
With two With two
RTDs thermocouples
Quick Start Guide
6-1.
3-wire RTD and 4-wire RTD and
(1)
ohms ohms
With RTDs/
thermocouples
T/Cs and
millivolts
™
.
With RTDs/
thermocouples
Quick Start Guide
RTD with
compensation
(2)
loop
With two RTDs
with
compensation
loop
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