Alarm Latches For Output Channels - Spectrum Controls Micro800 User Manual

Chapter 3: Configuring the 2085-IF4XOF4-SC Using CCW
The following figure shows the relationship between Low and High Clamp
values.
The value validation on the configured Low/High Clamp value is ignored if the
Low/High Clamp & Alarm option is not set to User option. Otherwise, if the
option is in use, violation of the following conditions triggers a module-specific
configuration error:
The High Clamp value configured from the user-defined value or based
•
on the selected option from the High Clamp Alarm settings has to be
greater than the Low Clamp value coming from any Low Clamp Alarm
option settings.
• The same requirement above applies to the configured Low Clamp value.
It must be less than the High Clamp value coming from any High Alarm
Option settings.
• The user-definable Low/High clamp value cannot be set beyond the
Limits based on the Data Format and Range Type selections.

3.7.5 Alarm Latches for Output Channels

Alarm latch allows you to latch the Under Range, Over Range, or LD alarm
status bit on the Output Channel Status (AI_02:01) if any corresponding
conditions occurred and then cleared on the Output Channel circuitry. You can
clear these status bits through the Unlatch Alarm Bits (AO_04).
Alarm Latch Enable (ALE) options for Output Channels are listed in the
following table:
Index Alarm Latch Enable
0 Off
1 On
Note
Default
User's Manual Pub. 0300307-01 Rev. A
3-27