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Chapter 4. Functions
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Graph display
The health index graph bank displays the last 10 specific R values for each control
loop as points and numbers on a graph.
The graph shows the ideal data line, deviation low limit line, and deviation high
limit line.
(2)
(1)
(3)
(6)
(5)
(4)
(1) Loop number indicator
Touching this changes the loop number.
(2) Deviation high limit
This line shows the value of the ideal data plus the deviation high limit.
(3) Ideal data
This line shows the ideal data.
(4) Deviation low limit
This line shows the deviation low limit subtracted from the ideal data.
(5) Latest specific R value points
This shows the last 10 specific R values. The value at the right end is the latest
value.
(6) Specific R values
This shows the last 10 specific R values. These are the latest data values.
Handling Precautions
•
If the power is turned off and then on again, the specific R value data is
deleted, and so the graph points and values are no longer displayed.