Set The Alarm Switch - Emerson Rosemount 644 Reference Manual
Temperature transmitter with hart protocol
Hide thumbs
Also See for Rosemount 644:
- Reference manual (134 pages) ,
- Quick start manual (52 pages) ,
- Service manual (37 pages)
Table of Contents
Advertisement
Section 3: Hardware installation
April 2015
3.4.1
Set the alarm switch
Make certain that the alarm switch is set to the desired position before putting the device into
operation to ensure correct function in the instance of a failure.
Without an LCD display
1.
2.
3.
4.
Figure 3-2. Failure Switch Location
A. Alarm switch
Note
If using an LCD Display or LOI, first remove the display by detaching it from the top of the 644
device, set the switch to the desired position and reattach the display. See
display orientation.
Figure 3-3. Display Connection
48
Set the loop to manual (if applicable) and disconnect the power.
Remove the housing cover.
Set the physical hardware alarm switch to the desired position. H indicates High, L
indicates Low. Then reattach the housing cover. See
location.
Apply power and set the loop to automatic control.
644 Transmitter
644 Transmitter
Figure 3-2
644 Field Mount
A
644 Field Mount
Reference Manual
00809-0200-4728, Rev RA
below for alarm switch
Figure 3-3
for proper
Hardware Installation
Advertisement
Table of Contents
