Example Weirs; Trends - Siemens SITRANS LUT400 Operating Instructions Manual

Example weirs

These weirs could require universal calculation.
compound

Trends

To view trend lines, navigate to
Trend
. The PV (in percentage) is logged at five minute intervals and trend displays up to 3000
data points since last power up.
• Press RIGHT arrow
• Use UP
that feature becomes active.
• To move the cross-hair, press RIGHT arrow
to decrease.
• To Zoom into an area, position the cross-hairs at the center of that area, select
Zoom icon, and press RIGHT arrow
• To return to the previous menu, select Exit icon then press RIGHT arrow
Notes:
• When a fail-safe condition has occurred, it will appear as a gap in the Trend line.
• Trend view will
selected.
Page 118 SITRANS LUT400 (HART) – OPERATING INSTRUCTIONS
Poebing
3. Maintenance and Diagnostics
to request a trend.
0
-3 -2
hours
or DOWN arrow to scroll to an icon. When an icon is highlighted,
not
timeout. This view will display on LUI until the exit icon is
approximate
exponential
3.2. Diagnostics
>
cross-hairs
current measurement
100
50
0
-1
to increase the value, LEFT arrow
. Press LEFT arrow
3.2.2.
>
pan left/right icon - selec
zoom icon
exit icon
to Zoom out.
.
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