Delta Electronics Human Machine Interface DOP-A Series User Manual
Page 200
Chapter 3 Element Function|ScrEdit Software User Manual
Revision Apr. 30th, 2007, 2007PDD23000002
3-63
Property Description of Historical Trend Graph Element
Please note that if the data format is selected as “Floating”, the
Data Length option in the History Setup dialog box must be
greater than or equal to 2words or the following warning message
dialog box will display on the screen.
Minimum
Maximum
It is used to set the minimum and maximum value of the display data,
i.e. the minimum and maximum value of Y-axis. If the read value is
more the maximum or less than the minimum, the system will display
the minimum and maximum value still.
Property Description of Historical Trend Graph Element
Integral Digits
Fractional
Digits
Use this option to determine the digit number of integer and decimal
fraction. The digit number is not a real digit number value. It is only the
display format. The digit number will be a real decimal number only
when the data format is selected as “Floating”.
Time/Date
Time Format
Provide HH:MM:SS, HH:MM two kinds of formats.
Date Format
Provide MM/DD/YY, DD/MM/YY and DD.MM.YY three kinds of formats.
Color
When time or date format is selected, the user can use this option to
designate the display color.
Enable
If this option is selected, the following curve options are enabled and
can be set.
Data No.
It is used to set the reading Word data when triggering every time. For
example, if the Data Length option in the History Setup dialog box is set
to 3words, there are 0 ~ 2 data numbers can be selected in this option.
Please note that if the data format is selected as “Floating”, and
the Data Length option in the History Setup dialog box is an odd
numbers of words, ensure to set the Data No. as an even number.
Curve Width
It is used to the display curve width. The range is within 1 ~ 8 and the
unit is pixel.
Curve Color
It is used to the display curve color.
Grid Color
Grid Number
Please refer to the figure below. The grid color is set to red and the grid number in
horizontal direction is set to 3.