57
Reference Manual
00809-0200-4728, Rev SA
Operation and Maintenance
July 2018
Operation and Maintenance
Figure 4-2. Sensor Wiring Diagrams
*Emerson
™
provides a 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.
Thermocouple or millivolt inputs
The thermocouple can be connected directly to the transmitter. Use appropriate thermocouple
extension wire if mounting the transmitter remotely from the sensor. Make millivolt inputs connections
with copper wire. Use shielding for long runs of wire.
- HART Head Mount
- HART Rail Mount
- Fieldbus
- PROFIBUS
®
- HART Field Mount
1
2-wire
RTD and Ω
3-wire
RTD and Ω*
4-wire
RTD and Ω
T/C
and mV
234 4 4 4333222111
+
_
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