Aalborg Vortex Insertion - Manual (Page 67)

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5.3.11.2 Submenu Screen Cycle Time
This menu selection defines time interval in seconds for each PI screen to be
displayed in the dynamic mode (automatic sequencing). Screen Cycle Time can
be set to any value in the range between 1 to 300 seconds (numerical entry).
5.3.11.3 Submenu Screen Mask
Using Screen Mask settings user can enable (unmask) or disable (mask) up to
13 [0-C] different process variable combinations (see Figure 5.4). By default unit
is shipped from factory with all PI screens enabled. A typical display with Screen
Mask selection is shown below.
In the example shown above, all PI screens are enabled. Each PI screen assigned
to corresponding bit in the PI Screen Register. In order to change PI Screen mask
settings user should press Enter button. The flashing cursor will appear on the left
of the LCD screen (on the 0 screen position). Use Dn [Cursor] button to move to
desired PI screen code. Use Up button to change mask status (asterisk represent
masked event). Use Enter button to accept and save new PI Screen mask settings
in flow meter’s non volatile memory.
5.3.12 Submenu L1 Data Log Menu
Vortex Flow Meters are equipped with programmable Data Log feature which is
available via digital interface and LCD/KeyPad. The Data Log menu allows user to
assign one of the four process variables (Vol. Flow, Mass Flow, Temperature, and
Pressure) to be recorded with selected interval time based on configurable condi-
tions. Data Log can store total up to 15,871 records. Each record includes
date/time stamp and process variable value in currently active engineering units.
5.3.12.1 Submenu Data Logger Mode
Using Data Logger Mode settings user can enable or disable data log functionali-
ty (tabular entry). By default unit shipped from the factory with Data Logger Mode
set to disable.
Screen Mask
0123456789ABC***