6 Wire and apply power
6.1 Wire the transmitter
Wiring diagrams are located inside the terminal block cover.
See Table 6-1.
Table 6-1: Single Sensor
2-wire RTD and
ohms
3-wire RTD and
ohms
(1)
4-wire RTD and
ohms
T/Cs and
millivolts
RTD with
compensation
loop
(2)
(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
RTDs
With two
thermocouples
With RTDs/
thermocouples
With RTDs/
thermocouples
With two RTDs
with
compensation
loop
March 2021 Quick Start Guide
Quick Start Guide 13