Page 59
Set Sensor Parameter
optoNCDT 1220
7.5.4
Switching Output
The switching output can be used for error or limit value monitoring
of the output value.
Measuring range
Target outside the measuring range, target
is absent or inappropriate target (too dark,
metallic polished, insufficient reflection).
Analog range
If the distance is outside the scaled analog
range, the switching output is activated.
Limit value
If the value exceeds a defined limit, the
switching output is activated.
The switching output is activated depending on the set switching
behavior, see Chap.
LV
HV
+
GND
Switching output
EMR
SMR
Fig. 37 Switching output with function limit value, switching behavior
(NPN)
When exceeding the limit value, the switching output is ac-
tivated (conductive) and is then deactivated again when the
next hysteresis value is not reached.
The switching output with function
measuring range
or
limit value
is independent of the analog output.
EMR = End of measuring range
LV = Limit value
HV = Hysteresis value
SMR = Start of measuring range
Summary of Contents for ILD 1220-10
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