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Intended use The ultrasonic label forks are ultrasonic sensors for contactless detection of the gap between two consecutive labels on a carrier tape. NOTICE Observe intended use! This product is not a safety sensor and is not intended as personnel protection.
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GSU 14E standard functions During operation the sensor is always in this function. The sensor detects label gaps with high precision and speed. This is indicated by the yellow OUT LED and the switching output. ON LED Constantly ON when operating voltage is applied. green OUT LED Indicates the switching signal.
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Adjusting the switching behavior of the switching output (light/dark switching) Ä Press the teach button until only the green ON LED flashes. Ä Release the teach button. The green ON LED flashes for another 2 seconds and the yellow OUT LED indicates the changed switching behavior for 2 seconds: –...
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Recommended settings Observation Measure Action Repeatedly press the mi- After teaching, the yellow Reduce sensitivity of the LED and the switching sensor nus button (-) briefly until output flicker if the label is (upward shift of the the sensor detects the moved through the sen- switching threshold) moving label stably and...
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Sensor adjustment via teach input (pin 5) Teach-in To teach, a teach signal is applied to the teach input (pin 5). The duration of the teach signal (low level on the teach input) determines the teach-in function. NOTICE Before a low level is applied for teaching-in functions, a high level must be applied for at least 20 ms.
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Locking the buttons via the teach input Manual locking of the buttons on the device is only suitable for protecting against tampering to a limited extent since locking can be canceled using the correspond- ing button combination. For this reason, it is also possible to lock the buttons via the teach input (pin 5).
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