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Sample Application
SR2MAN01 11/2007 183
Analog function block A1
Compares the measured CO
2
level
with the threshold value: 8.5 V.
Timer function block T2
Fan operating duration if the CO
2
threshold is exceeded. 15 minutes.
Function block Comment
Menu / O
K
-+
A 1 s A N A L O G 2
I b ≥ R
R = 8 . 5 x 1 = I b = 0 . 0
x 2 = R = 8 . 5
Menu / OK
-+
T T 2
R T 1 M : S
T 1
t = 1 5 . 0 0
B
t