Baumer DENEX Edge Detector II Manuale d'uso - Pagina 8

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SOFTWARE FUNCTIONS

The benefit with the microprocessor-based copy sensor is that the sensor learns what the

products and the stream look like and make decisions according to this.

Application Setting

Things like output pulse width, Blocking Function and other parameters are set a little

different for each application in order to reach the highest possible accuracy.

There are DIP-switches that tell the sensor which application it should be set for.

It is very important to set the right application!

4.1

This function will eliminate false counts due to double edges or a cut-edge-first delivery.

The sensor will count edges coming within the blocking zone as one product. In

productions using stitches, extra pulses due to the stitch are blocked out by this function.

The blocking zone is a dynamic value that constantly adapts to the average distance

between copies. It will be 15%, 30 % or 46% of the average lap, depending on application.

The average distance between copies is 100%, see figure 4.1.

Figure 4.1

The principle of the blocking function. The blocking zone is marked with grey.

15% is dark grey, 30% both grey sections.

The 46% blocking zone is marked with arrows.

For irregular product streams where the lap distance between each copy varies much, the

above described blocking function, can block out copies. This gives the result that there

are too many copies in each bundle. For such cases a special mode is available in the

software, Mode 11.

Our general recommendation is to try to adjust the machinery and get correct stream

conditions, so the lap distance between each copy becomes equal.

User Manual DENEX Edge Detector II

Version 2013-02, V1.6

8/20

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Baumer Electric AG

Frauenfeld, Switzerland