Titan atrato Instruction Manual page 22

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NOTE: Latched alarms will remain Active until they
are reset.
Reset Latch Alarms by either a signal Input on
another Input/Output PIN, or by Pressing and
Holding the Left-Hand Button on the Local Display
on the Flow meter for 4 seconds.
NOTE: The alarm points are driven by the display
value on the "flow reading" screen. Any changes to
the VIEWING FILTER value will affect the response
time of the alarm points.
This gives the user two adjustable parameters to
ensure "fluttering" does not happen with small flow
fluctuations – meter response time and hysteresis.
Hysteresis (%)
: This is used when Latching is Set to
None to prevent "fluttering" of the alarm signal when
flow is around the threshold level.
The % value is set around the Threshold value.
For example: Threshold Set at 1.0 and Hysteresis at
20%. The Pin will turn ON at 1.1 and off at 0.9.
NOTE: The INVERT checkbox will reverse the
action of the alarm output.
For details for each PIN see the Alarm Logic Table or hover mouse over the set point to see
the action of the output with the chosen settings.
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