Optoelectronic thread sensor 436-02.01

Optoelectronic thread sensor 436-02.01

Sensors

Application

For use with practically all textile machinery for the purpose of monitoring all common types of yarn, particularly when the monitoring system is not permitted to exert any additional forces on the thread and when sensors that are sensitive to charges (capacitive sensors) cannot be used because the application involves a highly antistatic preparation.

Function

The thread moves through the light beam (Ø approx. 4 mm) of a forked light barrier. Irregularities in the yarn modulate the light beam. If the thread is missing or stationary, this modulation will no longer occur. This contactlessly triggers a switching function so that the textile machine can be controlled.
The effect of any ambient light is eliminated by highly effective active filters. The luminous flux is automatically readjusted to compensate for any soiling. The end of this readjustment process is signalled by means of a warning light.

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