FALCON
USER GUIDE
EN2Z-0962GE51 R0715
224
14.
Define trend settings for the single datapoint as follows:
Trend Type
uu. Select trend type, time-based or value-based, by clicking the radio button.
When using time-based trending, a datapoint value will be recorded in a defined
log interval, e.g. every 30 seconds. When using value-based trending, a
datapoint value will be recorded if its value has been exceeded by a certain
amount, e.g. 0.1 °C. These values are called trend parameter.
Trend Parameter
vv. Enter the trend parameter value.
ww. Depending on the trend type, time-based or value-based, enter the
settings:
•
Time-based
In the
Log every
field, enter the time interval in h:m:s after which the value
should be logged.
•
Value-based
In the
Log change greater
field, enter the range in excess of which the
value should be logged. Each time the value change is greater than the
value defined here, a trend value is logged into the trend buffer.
NOTE: For the log interval setting, the following guideline should be
considered:
Summary of Contents for Centraline FALCON
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Page 113: ...USER GUIDE FALCON 109 EN2Z 0962GE51 R0715 Fig 26 Alarm behavior of pulse converter datapoint ...