General Operation
7.12 Trends
SITRANS LUT400
Operating Instructions, 07/2019, A5E33329501-AC
151
7.12 Trends
To view trend lines, navigate to Maintenance and Diagnostics (3.) (Page 239) > Diagnostics
(3.2.) (Page 241) > Trend (3.2.2.) (Page 242). 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 to request a trend.
● Use UP or DOWN arrow to scroll to an icon. When an icon is highlighted, that
feature becomes active.
● To move the cross-hair, press RIGHT arrow to increase the value, LEFT 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 . Press LEFT arrow to Zoom out.
● To return to the previous menu, select Exit icon then press RIGHT arrow .
When a fail-safe condition has occurred, it will appear as a gap in the Trend line.
Trend view will not timeout. This view will display on LUI until the exit icon is selected.
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