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Wiring with EZ
MN05013003E106
Figure 48: Resolution of the analog inputs
Function of the analog value comparator
Function of the Less than comparison
Parameter display and parameter set for Less than analog
value comparator.
U [V]
5.0
512
1023
10.0
0
J
The GT, GE, LT, and LE comparison functions only differ in
the fact that GE and LE also switch when the value is equal
to the setpoint. EZ500 and EZ700 feature five comparison
modes so that all analog value comparators are compatible
between models.
Caution!
Analog signals are more sensitive to interference than
digital signals. Consequently, more care must be taken
when laying and connecting the signal lines.
Set the switching hysteresis to a value so that interference
signals will not cause accidental switching. A value of 0.2 V
(value 20 without gain) must be observed as a safety value.
A1 LT +
I1 I7 Æ
F1 +0
I2 0100 æ
F2 +0
OS +0
HY 0025
EZ500_700.book Page 106 Tuesday, May 3, 2005 5:15 PM
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