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6.9 ALIGNMENT FUNCTION
SG BODY series light curtains are provided with a system which informs the user about alignment quality.
The ALIGNMENT function also can be activated by simply pressing the external normally closed push-button
link to RESET/RESTART/RESTART MODE line (see section 5 – "ELECTRICAL CONNECTIONS AND
CONFIGURATION") for at least 0.5 sec at start-up, as shown in the timing diagram of Figure 52.
When a good state of alignment is reached a power OFF and a power ON operation carry back the ESPE in
normal operation (OSSDs in ON state). In the alignment mode the OSSDs are OFF.
STATE OF LIGHT CURTAIN (POWER)
ON
OFF
RESET/RESTART/RESTART MODE
Contact
open
Contact
close
STATE OF ALIGNMENT FUNCTION
ON
OFF
0.5 s
Figure 52
54
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