Aalborg Vortex Insertion - Manual (Page 69)

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When set to “Unconditional”, the flow meter will start collect selected Process
Variable data as soon as user enables data log. When set to “High PV Alarm”, the
flow meter will start collect selected Process Variable data only if Data Log is
enabled and High Alarm Condition for corresponding PV is detected. When set to
“Low PV Alarm”, the flow meter will start collect selected Process Variable data
only if Data Log is enabled and Low Alarm Condition for corresponding PV is
detected.
5.3.12.7 Submenu DL Stop Condition
This menu entry allows user to select when Data Logger will stop recording PI data
(tabular entry). Following settings are available:
Unconditional (default settings)
High PV Alarm
Low PV Alarm
When set to “Unconditional”, the flow meter will stop collect selected Process
Variable data only if Log # of Samples limit is reached (when log is configured to
“Number of Samples” mode) or last index (15,871) is reached (when log is con-
figured to Loop Off mode). When set to “High PV Alarm”, the flow meter will stop
collect selected Process Variable data only if Data Log is enabled and High Alarm
Condition for corresponding PV is detected. When set to “Low PV Alarm”, the flow
meter will stop collect selected Process Variable data only if Data Log is enabled
and Low Alarm Condition for corresponding PV is detected.
5.3.12.8 Submenu Data Log Status
This menu selection provides current Data Log index and overflow counter values
(read only). A typical display with Data Log Status is shown below.
In order to reset (clear) Data Log press Enter button. Following screen will appear
just for two seconds.
Data Log Status
Ind: 60 OF: 0
Press Ent key to
clear Data Log