Delta Electronics A10 User Manual page 116

Alarm Setup Dialog Box
The calculation method of the size of the alarm history file is as follows:
[
{
6 Bytes
a
b
c
d
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:
2 Bytes
a
b
Example:
If there are five alarm types, the required capacity for saving alarm data is:
2 Bytes × 5 = 10 Bytes
Alarm Moving Enable
Sign
Position
Direction
Moving points
Interval (ms)
Background
Color
History Setup
History Setup should be used with sampling elements. Please refer to Chapter 3 for more detailed
information.
Revision Apr. 30th, 2007, 2007PDD23000002
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]
+ ×
( a ) 2 Bytes ( b ) N (
Time and Date Data
Alarm Data
Sampling Points
Data File Symbol
× =
( a ) N ( b ) Actual File
Alarm Frequency Data
Alarm Type
It is used to enable the alarm moving sign.
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).
Down Alarm message will move from top to bottom (Move to Down).
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.
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.
It is used to set the background color of the alarm moving sign.
}
+ =
c ) 4 Bytes ( d ) Actual
Size Bytes
File Size Bytes
2-105