6-9
Section
Graphs
240
If the 100% value, 0% value, and –100% value are set using numeral memory
table entries as indicated below, the percentage value of the reference value is
calculated according to the value stored at the specified address.
Numeral memory
table
0
1
2
3
4
5
–2000
0
3000
6-9-4 Trend Graph
Changes in the contents of a numeral memory table entry with time are displayed
in the form of a trend graph.
0%
Numeral memory
table
80
Trend graph
100%
(1) The value in a numeral memory table entry is converted into percentage val-
ues at the set intervals, in the range from 0 to 100% or from –100% to 100%,
and displayed in the form of a trend graph.
Operation procedure
Selection using the menu bar:
[Objects]
→
[Graph]
→
[Trend Graph]
Selection using the drawing toolbar:
Terminology
Frame
+Range
Display and control
touch switches
–Range
Line
Display %
(Only NT31, NT31C, NT631, NT631C)
