160
3. Fill in the
Trend
Tab: Select the “Channel” to view
each channel’s settings.
4.
Description
: A reference name (not displayed) that
you assign to the Trend Display.
Pen attribute
: Specify the Trend Color and pen
thickness for the channel.
Value
: Set the zero and span for each channel.
4. Click
OK
to position and resize the Trend Display
Procedure to add a Multiple pages Trend Display
1. Click Trend Display icon or select
Trend Display
from the
Parts
menu.
2. Fill in General Tab Items:
Page type
: Select
Multiple pages
.
Multiple pages allows a trend
display to be extended. Data is
plotted as before but it is not lost
after it is scrolled off the trend.
Hold style
: Determines
how the trend reacts
when the hold bit is
activated. Hold trend
display simply prevents further updates until the Hold bit
is turned off. Hold trend display & clear stops the trend
update and clears out all pages of the trend.
No. of page:
The data is held in memory for review up to
the number of pages (31 maximum) specified by the
dropdown. Each page is the number of sample points specified in the Plot point field. The Scroll control is used to recall
plots.
Attribute
: Start from left selects to have the trend pens start from the left and traverse the display before scrolling begins.
Start from the right begins the pens scrolling from right to left from the first sample onwards.
Sampling time
: Time between point plots in seconds.
Plot point
: The number of sample points displayed across the length of the Trend Display part.
Summary of Contents for MMI-1500
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