Emerson Rosemount 644 Reference Manual page 62

Hardware Installation
March 2021
4. Apply power and set the loop to automatic control.
62
Figure 3-3: Failure Switch Location
Transmitter
A. Alarm switch
Note
If using an LCD Display or LOI, first remove the display by detaching it from the top
of the device, set the switch to the desired position and reattach the display. See
Figure 3-4 for proper display orientation.
Figure 3-4: Display Connection
Transmitter
Reference Manual
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Field mount transmitter
Field mount transmitter
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