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4.7.1

Switch Points

Switch points (±S) is a pair of pre-defined angles which set off the operation zone and critical zone

(→4.5 Output explained). The S can be set with a unit of 0.1° and in default only symmetrical switch

points are allowed, ie. Switch points is always ±3 or ±45°.

Example: Switch point = ±3°

Sensor position at (-3°,+3°), the output will be in the operation zone.

Sensor position at (-3°, -90°) and (+3°, +90°), the output will be in the critical zone.

An asymmetrical switch points such as (+2°, +80°) can also be requested with a customized

configuration. Contact your local distributor for more information.

4.7.2

Hysteresis

By creating a hysteresis, we can prevent sensor constantly switching at the switch point. The actual

switch point from critical to operation zone will be ±S', whose value is the programmed switch point

S minus Hysteresis.

DIS SENSORS BV

User Manual - QG40N Tilt/Acceleration Switch (SIL1 PLc) V2.0

Figure 4 - operation zone

Figure 5 - critical zone