Figure 41: Performing sensor teach-in
7.4 Performing material teach-in
For material teach-in, the object or objects to be detected is/are placed between the
sender and recei
ver.
The respective positions of the edges are saved during material teach-in.
For the MLG-2 to detect the object, the object must dampen the energy of the light
beams either completely or at least by 20%. An attenuation of 20% is achieved by mate‐
rials with a transmission of up to 80%.
If the MLG-2 is to detect partially transparent objects, in SOPAS ET, for the Sensitivity
parameter, you have to select the Medium or Fine option.
A material teach-in applies for the current distance between the sender and object, for
the material and for the current settings.
You can run a material teach-in as follows:
•
By connecting a signal to a switching input
•
Directly on the receiver via the Teach pushbutton
•
Via SOPAS ET
•
On the control panel: see "Performing material teach-in", page 53
•
Via SOPAS ET: see "Setting up MLG-2 WebChecker (installation assistant)",
page 55
7.5 Calling up teach-in quality and process quality
Quality of Teach (QoT)
•
T
he t
each-in quality indicates the quality after the last teach-in. The MLG-2 calcu‐
lates this value for the quality of the sensor teach-in using the received light level.
For example, the following influences the quality of the material teach-in:
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