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10 FUNCTIONS
10.5 A/D Conversion Method
■Moving average
The A/D converter module averages digital operation values taken at every sampling period for a specified number of times.
The following figure shows the moving average processing of when the set number of times is five.
Setting procedure
■Sampling processing
Set "Averaging process specification" to "Sampling processing".
[Navigation window] [Parameter] [Module Information] Module model name [Module Parameter] [Basic
setting] [A/D conversion method]
■Averaging processing
1. Set "Averaging process specification" to "Count average" or "Moving average".
[Navigation window] [Parameter] [Module Information] Module model name [Module Parameter] [Basic
setting] [A/D conversion method]
2. Set a value for "Count average/Moving average setting".
digit: Digital operation value
t: Time (ms)
Item Setting range
Count average 4 to 500 (times)
Moving average 2 to 200 (times)
32000
(1)
(2)
(3) (4)
(5)
(6)
(7)
(8) (9)
(10) (11)
(12)
16000
0
0
(a) (b) (c)
(1) + (2) + (3) + (4) + (5)
5
(a)
(2) + (3) + (4) + (5) + (6)
5
(b)
(3) + (4) + (5) + (6) + (7)
5
(c)
t
digit
Value transition in the module
0
3rd storage (c)
2nd storage (b)
1st storage (a)
Sampling cycle
Values in the module