Chapter 7 Usage of Functions
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3) parameter setting
4) Reading A/D conversion value
A/D conversion value stores special data register as following.
Special data
register
Explanation remark
D4980 A/D conversion value of channel 1 stores Expansion A/D module #1
D4981 A/D conversion value of channel 2 stores Expansion A/D module #1
D4982 D/A conversion value set Expansion A/D module #1
D4983 A/D conversion value of channel 1 stores Expansion A/D module #2
D4984 A/D conversion value of channel 2 stores Expansion A/D module #2
D4985 D/A conversion value set Expansion A/D module #2
5) Scaling function
This function convert automatically range when the inout/output range is not matched
In case that input/output is current , this function is useful that external equapment’ range is not matched each other.
K7 series converts range automatically as following : 0 ~ 20mA £ 4 ~ 20mA)
0
㎃
20
㎃
4000
0
0
㎃
20
㎃
4
㎃