IDEC High Performance Series - Manual (Page 696)

2 Line Chart
11-24 WindO/I-NV2 User’s Manual
■ Data Format
■ Display Points
Specifies the maximum number of points of data to display on the chart (2 to (base screen horizontal size)).
This option can only be configured when Log Trend (Normal) or Log Trend (Pen Recorder) is selected for Chart
Type.
*1 HG2G-5F, HG3G/4G only
*2 HG2G-S/-5S/-5F, HG3G/4G only
Data Type: Selects the data type handled by the chart from the following.
BIN16(+), BIN16(+/-), BIN32(+) *1 , BIN32(+/-) *1 , BCD4, BCD8 *1 , float32 *1
For details, refer to Chapter 2 “1.2 Available Data” on page 2-2.
Minimum, Maximum: Specifies the minimum and maximum for the chart.
(Data Type) *2 : Selects the data type to use for the minimum and the maximum.
Value:
Device: Uses a constant.
Uses a word device.
The minimum and maximum vary based on the selected data type. For details, refer to Chapter
2 “1.2 Available Data” on page 2-2.
When Device is selected for (Data Type) *2 , the minimum and maximum can be specified in the
word device.
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.
• If the data displayed in the chart is invalid, 1 is written to System Area 2 Arithmetic error bit (address+2,
bit 5), and an error message is displayed. If Chart Type is Device Display, an arithmetic error occurs
when the chart is initially displayed, when the display is updated, and when it is erased. For details, refer
to Chapter 4 “ Arithmetic error” on page 4-34.
An error occurs in the following states.
- When the minimum is the same as or larger than the maximum
- When Data Type is BCD4, BCD8, or float32 and the value cannot be expressed with the data type
selected for the read data
The chart cannot be displayed when an error has occurred.
• If the Chart Type is selected as Log Trend (Normal) or Log Trend (Pen Recorder), the chart
display is updated when a value of device is changed. At this time, chart data not saved to the data
storage area is not displayed.
• If the Chart Type is selected as Device Display, the minimum and maximum are updated when the
display is updated or erased.
• Even if the value of device is changed while the trigger condition is not satisfied, the minimum and
maximum are not updated.
(Data Type) *2 : Selects the data type to use with the display points.
Value:
Device:
Uses a constant.
Uses a word device.
(Display points): Specifies the maximum number of points (2 to Base Screen horizontal size) for the data to be
displayed on the chart. The handled data type is BIN16(+) only.
When Device is selected for (Data Type) *2 , the display points can be specified in the word device.
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 minimum value of Display Points is 2. If the value of device is smaller than the minimum value,
then Display Points remains at 2. If the value is larger than the Base Screen horizontal size, then
Display Points is the value of the Base Screen horizontal size.
• When the value of device changes, the chart display is updated. At this time, chart data not saved to the
data storage area is not displayed.
• Even if the value of device is changed while the trigger condition is not satisfied, the chart display is not
updated.