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Needed material: A Through beam fiber with tip adaptor and a fiber amplifier. If you choose an amplifier with IO-Link, you will be able to configure and visualize it in our sensor parameterization tool SopasET.
Application requirements: Detecting a hole with a diameter of 0.3 mm at a distance of 250 mm. Sender and Receiver distance is ~500 mm.
It is important to ensure that sender and receiver are placed in one axis with the center position of the hole to be detected.
By focusing the sender light with a tip adaptor, the probability of reflections on surrounding parts and holes can be minimized.
The center position of the light spot is pointing on one hole.
Placing the receiver on the correct position exactly this hole is visible as a bright spot.
In this example, we used a LL3-TB02 with a tip adaptor lens LL3-TA02. The lens is only applied to the sender. The receiver fiber has a diameter of 1mm. Having a hole of 0.3 mm it is possible to handle deviations of 0.7 mm in the lateral position. The amplifier was set up in SopasET.
For this example we were using the IO-Link standalone amplifier WLL80P-22T6Y1DZA71Z1Z1 6076723. Response time is set to 8 ms, sender intensity is set to max.
SPC and AutoAdapt are switched off.
In our test we achieved the following results: In case the hole was covered, the receive energy level was ~200 dig.
In case the hole was not covered, the received energy level was ~1200 dig.
After teaching the device to these states, the set up is completed.
