Latching / Non-Latching - Honeywell XNX Technical Manual

XNX Universal Transmitter
Selecting the Numeric Format
If "Other mA Sensor" has been selected as the sensor type, the
transmitter's output can be displayed in one of three numeric
formats� From the Ranges & Alarms menu, select the
open the Range menu (Figure 93)� Select the
display the Range Lower Limit menu� Select the switch twice
to open the first Numeric Format menu�
✓
Figure 93. Navigating to the first Numeric Format menu
Select the switch to open the second Numeric Format menu,
✓
which displays the formats available for numerical display (see
Figure 94)�
✓
Figure 94. Navigating to the second Numeric Format menu
Select or to cycle through the three options� When the
desired format is highlighted, select the
selection the default display format� Select
the Ranges & Alarms menu�
Section 2 - Installation and Operation
switch to
✓
switch again to
✓
✓ ✖ ✖
switch to make the
✓
twice to return to
✖
69

Latching / Non-Latching

Warning: There is a potential loss of sensitivity during exposure to high
concentrations of H
at overrange. In standalone configuration, set alarms to latching. When
resetting the overrange or alarm, verify correct operation of the transmitter.
Latching / Non-Latching is used to control whether Alarms 1 and
2 and faults will latch alarms�
Figure 95. Alarm Latching/Non-Latching Screen
Figure 96. Alarm Latching
Select the or icon beside the alarm limit to display the
Alarm Latching/Unlatching screen� Alarm latching determines
whether alarms that are triggered are automatically reset when
the condition dissipates (latching off ) or remain active until
an operator resets them manually (latching on )� Highlight the
desired latching option with the switches� Use
it�
S. Under these conditions, set the control unit to latch
2
✓
to accept