DIS Sensors QG40N Manuale d'uso - Pagina 12

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DIS Sensors QG40N Manuale d'uso
Example: Switch point = ±80°, hysteresis = 0.5°
The sensor switches from conducting(operation) to non-conducting(critical) exactly at ±80°, but
it switches from non-conducting(critical) back to conducting (operation) at ±79.5° (80° - 0.5°)
instead.
4.7.3

Delay Times

Operation to Critical delay
•
The switching output changes only when the measured angle is continuously over the switch
point ±S for more than de delay time. If it's a short vibration, the object often returns to its
safe position in the operation zone. In this case, the sensor will then not be switched to non-
conducting. The timer will be then reset to the delay time and start to monitor again.
Critical to Operation delay
•
when the sensor tilts back to the operation zone, the switching output changes only when
the measured angle is continuously below the S'(not S) for more than the delay time.
Similarly, if it's a short vibration, the sensor moves back to the critical zone immediately,
sensor will not be switched and the timer will be reset.

EMC / CE

See separate
'Declaration of Conformity'

5 Installation Guide

Mechanical drawing

DIS SENSORS BV
User Manual - QG40N Tilt/Acceleration Switch (SIL1 PLc) V2.0
Figure 6 - Hysteresis
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