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Section 7-10
Line Graphs
(2) After confirming that the Memory Cleared Flag has turned ON, turn OFF
the Memory Clear Bit.
(3) When the Memory Clear Bit has been turned OFF, the Memory Cleared
Flag will turn OFF automatically.
Description of Line Graph Settings
■
Function
Select Data Log to display a graph created by sampling PLC data (1 or 2
words). Select Broken-line Graph to display a graph of the stored data that is
read from the PLC.
■
Reference
Sampling is specified for each group number using the method set in the NV
Configuration. For the Number of Lines, set the number of lines to be displayed. Up to 8 lines can be displayed.
■
Graph Type
Select the method used to plot the graph. Either Pen Move or Sheet Move
can be selected. If Pen Move is set, the graph will be drawn simulating the
movement of a pen. If Sheet Move is set, the graph will be drawn as if the pen
were fixed while the sheet is moved.
■
Direction
Set the direction in which either the pen or the sheet is moved, depending on
the graph type.
Note
■
The display method depends on the graph type and direction settings, so confirm the operation on the PT.
Stop Updating
The specified bit can be used to stop updating the display. Updating the display will be stopped while the specified bit is ON. Sampling will continue.
■
Display Points
Set the number of points that are displayed when plotting the graph. If 100 is
set for Display Point, then the number of records that is set in the PT Configuration must be greater than 100.
7-10-3 Displaying Graphs after Sampling PLC data for a Specified
Interval
Basic Operation
1,2,3...
1. Make the data log settings for the line graph in the NC Configuration.
Select NV Configuration from
the PT Menu. Click the Line
Graph Tab.
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