Delta Electronics Human Machine Interface DOP-A Series User Manual
Page 116
Chapter 2 Creating and Editing Screens|ScrEdit Software User Manual
Revision Apr. 30th, 2007, 2007PDD23000002
2-105
Alarm Setup Dialog Box
The calculation method of the size of the alarm history file is as follows:
[
]
{
}
Bytes
d
Bytes
c
N
b
Bytes
a
Bytes
Size
File
Actual
)
(
4
)
(
)
(
2
)
(
6
=
+
×
+
a
Time and Date Data
b
Alarm Data
c
Sampling Points
d
Data File Symbol
Example:
If the Number of Records in History Buffer is set to 100, and the time and date is
recorded, the required capacity for saving alarm data is:
[(6 Bytes + 2 Bytes) × 100] + 4 Bytes= 804 Bytes
If the Number of Records in History Buffer is set to 100, and the time and date is not
recorded, the required capacity for saving alarm data is:
(2 Bytes × 100) + 4 Bytes = 204 Bytes
The calculation method of the size of the alarm frequency table is as follows:
Bytes
b
N
a
Bytes
Size
File
Actual
)
(
)
(
2
=
×
a
Alarm Frequency Data
b
Alarm Type
Example:
If there are five alarm types, the required capacity for saving alarm data is:
2 Bytes × 5 = 10 Bytes
Enable
It is used to enable the alarm moving sign.
Position
It is used to determine the display position of alarm moving sign. It can
be Top or Bottom.
Left
Alarm message will move from right to left (Move to left).
Right Alarm message will move from left to right (Move to right).
Up
Alarm message will move from bottom to top (Move to Up).
Direction
Down Alarm message will move from top to bottom (Move to Down).
Moving points
It is used to set the moving points every time for the alarm moving sign.
The unit is Pixel and the range is within 1 ~ 50 points.
Interval (ms)
It is used to set the interval time every time for the alarm moving sign.
The unit is ms and the range is within 50 ~ 3000 ms.
Alarm Moving
Sign
Background
Color
It is used to set the background color of the alarm moving sign.
History Setup
History Setup should be used with sampling elements. Please refer to Chapter 3 for more detailed
information.