Trend plot, Getting here – Watlow ANASCAN User Manual
Page 55
ANASCAN User’s Guide 47
TREND PLOT
The Trend Plot screen offers graphic trending for both real time and past
history of up to 48 hours. Two parameters can be plotted: process
variable and setpoint. You can use any combination of these values.
You can also combine channels, and plot up to three different channels
at the same time.
The screen is a combination of past and real time trend plotting. The
past is on the left 5/6 of the screen and the real time is on the right 1/6.
If an EGA video card is installed in the computer, the screen will be
colored for easier identification. If a CGA video card is installed, the
plot will be displayed in black and white only.
Getting Here
Press F7 from the Overview screen or the Channel Setup screen.
A legend for the
parameters being
plotted
One segment out of six in the time
scale. Set in minutes or hours.
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