IDEC High Performance Series - Manual (Page 703)

WindO/I-NV2 User’s Manual 11-31
2 Line Chart
11
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 start 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 2-67.
The data size for the devices is 16 bits.
Updating and erasing the display is controlled by the lower 2 bits of the start address value (control status).
The number of device values to display is specified by the value of start address + 1.
The device values from start address + 2 are displayed on the chart.
Example: If Reference Device is set to D 100, continuous devices are used starting from D 100. 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
D 100
D 101
D 102
D 103
D 104 Control status (display operaƟon)
Number of data to display values on chart
Data to display values on chart
(Start address)
+1
+2
+3
+4
D 106 value
D 105 value
D 104 value
D 103 value
D 102 value
D 101 value
D 100 value
10
50
20
60
10
1
5
D102
D103
Device values Displayed chart
D104
D105
D106 0
20
40
60
80
100
-20
120