SmartAXIS Touch User’s Manual 10-29
2 Line Chart
10
Charts
● Pen (Device) Tab
The Pen (Device) tab is only displayed when Device Display is selected for Chart Type on the General tab.
■ Reference Device
Specifies the starting address of the data to display on the chart.
Click to display the Device Address Settings dialog box. For the device address configuration procedure, refer to
Chapter 2 “5.1 Device Address Settings” on page 2-62.
The data size for the devices is 16 bits.
Updating and erasing the display is controlled by the lower 2 bits of the starting address value (control status).
The number of values of devices to display is specified by the value of starting address + 1.
The values of devices from starting address + 2 are displayed on the chart.
Example: If Reference Device is set to D100, continuous devices are used starting from D100. The used devices
are as follows.
Bit 15 Bit 0
Bit 2
0 : Do not update
1 : Update
0 : Do not erase
1 : Erase
Reserved
D100
D101
D102
D103
D104
Control status (display operation)
Number of data to display values on chart
Data to display values on chart
(Starting address)
+1
+2
+3
+4
D106 value
D105 value
D104 value
D103 value
D102 value
D101 value
D100 value
10
50
20
60
10
1
5
D102
D103
Values of Devices Displayed chart
D104
D105
D106
0
20
40
60
80
100
-20
120