FUNCTIONS
64 SG4 EXTENDED
To activate all blanking functions Blanking Operation can be selected either in BCM or in
ACM.
Figure 47 - BCM Configuration: Muting/Blanking Selection
Figure 48 - ACM Configuration: Muting/Blanking Selection
Blanking function can be realized in two different modes: fixed blanking and floating
blanking.
These two modes can be enabled individually or contemporaneously.
Fixed Blanking
Fixed Blanking allows a fixed portion of the controlled area (i.e. a fixed set of beams) to
be occupied, while all the other beams operate normally.
The blanking zone can be obtained through a Teach-in operation: the user has to keep
p
ressed the 24VDC normally-open contact of Teach-in (pin 4 of M12-12 poles - RX) for at
least 3 seconds while an object intercepts the area to be blanked. The blanking zone
becomes active after the Teach-in contact has been released.
If Teach-in contact is kept pressed for a time greater than 1 minute the light curtain goes
i
n a lockout failure.
The Teach-in operation can be performed in ACM too. The user has to place the
object(s) within th
e protected area and press the button “Teach-in” (in “Reduced resolu-
tion / Blanking” in the blanking section of the GUI).
Figure 49 - ACM Configuration: Teach-in operation
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