48
Reference Manual
00809-0200-4728, Rev RA
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.
Set the loop to manual (if applicable) and disconnect the power.
2.
Remove the housing cover.
3.
Set the physical hardware alarm switch to the desired position.
H
indicates High,
L
indicates Low. Then reattach the housing cover. See
below for alarm switch
location.
4.
Apply power and set the loop to automatic control.
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
for proper
display orientation.
Figure 3-3. Display Connection
644 Transmitter
644 Field Mount
644 Transmitter
644 Field Mount
A
Содержание Rosemount 644
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