21
Reference Manual
00809-0100-4021, Rev JA
Installation
April 2017
Installation
Note
Do not apply high voltage (e.g., AC line voltage) to the power or sensor terminals, since high voltage can
damage the unit.
Figure 2-11. Transmitter Terminal Block Wiring Connection
A. Sensor terminals (1 – 5)
B. Ground
Wiring connection
Wiring connection
(with “T1” integral transient protection option)
Figure 2-12. Sensor Wiring Diagram for HART/4–20 mA
Rosemount 3144P single-sensor connections
Rosemount 3144P dual-sensor connections
1. Transmitter must be configured for a 3-wire RTD in order to recognize an RTD with a compensation loop.
2. Emerson provides 4-wire sensors for all single-element RTDs. Use these RTDs in 2- or 3-wire configurations by leaving the unneeded leads
disconnected and insulated with electrical tape.
“-”
“+”
Test
A
B
B
A
“+”
“-”
4-wire RTD
and Ohms
T/Cs and
Millivolts
RTD with Compensation
Loop
2-wire RTD
and Ohms
3-wire RTD
and Ohms
Δ
T/Hot Backup/Dual
Sensor with
two RTDs
Δ
T/Hot Backup/Dual
Sensor with two
Thermocouples
Δ
T/Hot Backup/Dual
Sensor with RTDs/
Thermocouples
Δ
T/Hot
Backup/Dual
Sensor with RTDs/
Thermocouples
Δ
T/Hot Backup/Dual
Sensor with two RTDs
with Compensation
Loop
Содержание Rosemount 3144P
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