Reference Manual
00809-0100-4021, Rev FB
August 2011
Rosemount 3144P
3-12
HART
Change Type and
Connections
The Connections command allows the user to select the sensor type and
the number of sensor wires to be connected from the following list:
• 2-, 3-, or 4-wire Pt 100, Pt 200, Pt 500, Pt 1000
(platinum) RTDs ( = 0.00385 //°C)
• 2-, 3-, or 4-wire Pt 100, Pt 200 (platinum) RTDs ( = 0.003916 //°C)
• 2-, 3-, or 4-wire Ni 120 (nickel) RTDs
• 2-, 3-, or 4-wire Cu 10 (copper) RTDs
• IEC/NIST/DIN Type B, E, J, K, R, S, T thermocouples
• DIN type L, U thermocouples
• ASTM Type W5Re/W26Re thermocouple
• GOST Type L thermocouples
• –10 to 100 millivolts
• 2-, 3-, or 4-wire 0 to 2000 ohms
Contact an Emerson Process Management representative for information
on temperature sensors, thermowells, and accessory mounting hardware
that is available through Emerson.
Output Units The Snsr 1 Unit and Snsr 2 Unit commands set the desired primary
variable units. The transmitter output can be set to one of the following
engineering units:
• Degrees Celsius
• Degrees Fahrenheit
• Degrees Rankine
• Kelvin
•Ohms
• Millivolts
Sensor 1 Serial Number
The serial number of the attached sensor can be listed in the Sensor 1 S/N
variable. It is useful for identifying sensors and tracking sensor calibration
information.
Sensor 2 Serial Number
The serial number of a second sensor can be listed in the Sensor 2 S/N
variable.
2-Wire RTD Offset
The 2-wire Offset command allows the measured lead wire resistance to
be input, which results in the transmitter adjusting its temperature
measurement to correct the error caused by this resistance. Because of a
lack of lead wire compensation within the RTD, temperature
measurements made with a 2-wire RTD are often inaccurate.
Traditional Fast Keys 1, 3, 2, 1
Device Dashboard
Fast Keys
2, 2, 1, 3
Traditional Fast Keys 1, 3, 2, 3
or 4
Device Dashboard
Fast Keys
2, 2, 1, 4
Traditional Fast Keys 1, 3, 2, 3, 3
Device Dashboard
Fast Keys
2, 2, 1, 7
Traditional Fast Keys 1, 3, 2, 4, 3
Device Dashboard
Fast Keys
2, 2, 2, 7
Traditional Fast Keys 1, 3, 2, 3, 6
Device Dashboard
Fast Keys
2, 2, 1, 5
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