Mitsubishi F940 Specifications Page 356

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Graphic Operation Terminal GOT-F900 Creation of Display Screen (GT Designer) 20
20-30
20.8.2 Trend graph
The "Trend" object acquires the current values of up to four 16-bit data registers in the PLC at
a specified time interval, and displays the acquired data in the form of line graph.
(Unavailable in the F920GOT-K.)
*
**
*
Contents of setting
*
**
*
Display example
Word devices D100 and D101 are acquired every 3 seconds, and displayed in the form of
line graph.
If the acquired data is smaller than the minimum value (0) or larger than the maximum value
(1000), it is not displayed in the graph and the graph is discontinued.
#
##
#
Important point
Sampling time
It is recommended to set the sampling time to 1 second or more.
In the sampling cycle, the GOT reads the bit device set in “Clear Trigger”.
Set the bit device in “Clear Trigger” be ON and OFF in a longer period than the sampling cycle.
Attribute Contents of setting
Display direction Right or left
Number of lines 1 to 4
Number of points 1 to 50
Monitored devices 16-bit or 32-bit word devices
Line type
Color Graph color, frame color, scale color
Display condition Constant cycle (which can be set arbitrarily in the unit of 100 ms)
, , , ,
"Trend Graph" ob
j
ect
6
5
4
3
2
1
0
612345 789
No. 2
(
D101
)
When the acquired data is smaller
than the minimum value
(
or lar
g
er than the maximum value
)
No.1
(
D100
)
Word Device
Displ a
y
condition
Ticks Horizontal
Ticks Vertical
Mini mum Val ue
Maximum Val ue
Scale Color: Black
Continuous Red
D100
30
10
7
0
1000
Dotted Blue
None
None
Shown Device
No. 2
No. 3
No. 4
No. 1
"Text" ob
j
ect
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