4-34
4. CONFIGURATION
SUB-MATRIX PARAMETER CLASSIFICATION
ALARM
ALARM TYPE
DEFINITION:
Type of alarm
HOW TO
MODIFY IT:
Select a new alarm type.
POSSIBLE
VALUES:
NONE: Select "none" for unused alarms.
ALARM HIGH: Alarm to occur when the value equals or exceeds the alarm setpoint.
ALARM LOW: Alarm to occur when the value equals or is below the alarm setpoint.
CHG RATE H:
larm to occur if the trace increases quicker than the alarm setting. The
SP value used is the absolute value of the input value.
(setpoint is given in engineering unit/second)
CHG RATE L: Alarm to occur if the trace decreases quicker than the alarm setting.
The SP value used is the absolute value of the input value.
(setpoint is given in engineering unit/second)
CHG RATE H, L: Alarm to occur if the trace increases/decreases quicker than the
alarm setting. The SP value used is the absolute value of the input value. (setpoint is
given in engineering unit/second)
DIFFERENTIAL: Occurs if the absolute difference between the values of the specified
channel and a second channel exceeds the absolute value of the alarm setpoint.
SEE ALSO:
DIFF WITH for DIFFERENTIAL in this sub-matrix.
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