Process quality
The process quality indicates the quality of the light level currently being received. The
MLG-2 analyzes the light level received when the light path is unblocked and compares
this to the values after the last teach-in process.
If the received values are getting worse, the process quality drops.
Possible causes of a drop in process quality include:
•
Contamination or fogging of the front screen of the sender and/or receiver
•
Misalignment
•
Continuous partial blocking of a light beam or several light beams
Retrieving teach-in quality and process quality data
The quality performance indicators can be retrieved in various ways:
•
SOPAS ET
•
RS485
•
IO-Link
•
Integrated web server
•
switching outputs
•
Analog outputs
3.4.6 Beam blanking
Individual beams can be blanked.
Figure 6: Detection area with beams blanked
1
Included beams
2
Blanked beams
3
Structural restrictions on the detection area
The MLG-2 Pro offers various options for blanking light beams (see "Teach-in",
page 90).
•
One-off blanking
The blocked beams are blanked.
•
Beam blanking for each teach-in
The blocked beams are blanked in every teach-in process.
3 PRODUCT DESCRIPTION
18
O P E R A T I N G I N S T R U C T I O N S | MLG-2 Pro 8017460.ZIK1/2017-02-13 | SICK
Subject to change without notice
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