Emerson Rosemount 644 Reference Manual page 25

Reference Manual
00809-0200-4728
2.6.4 Setting output units
The Units can be configured for a number of different parameters in the Rosemount 644
Transmitter. Individual Units can be configured for:
• Sensor 1
• Sensor 2
• Terminal temperature
• Differential temperature
• Average temperature
• First good temperature
Each of the base parameters and calculated outputs from those values can have a unit of
measure associated with it. Set the transmitter output to one of the following engineering
units:
• Celsius
• Fahrenheit
• Rankine
• Kelvin
• Ohms
• Millivolts
Set output limits using Field Communicator
From the HOME screen, enter the Fast Key sequence.
Device Dashboard Fast Keys
Set output limits using AMS Device Manager
Procedure
1. Right click on the device and select Configure.
2. In the left navigation pane select Manual Setup. The unit fields for various variables
3. Select Apply when complete.
Emerson.com/Rosemount
are spread over the Manual Setup tabs, click through the tabs and change the
desired units.
HART 5
2, 2, 1, 4
Configuration
March 2021
HART 7
2, 2, 1, 5
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