Connection of a pair of opening
photocells
Connection of a pair of closing photocells and a pair
of
opening/closing
photocells
Other safety
devices
/ SAFE
/ SAFE
/ SAFE
/
SAFE
Fig.
6
Connection of a pair of closing photocells and a pair
of
opening
photocells
Fig.
9
/
SAFE
/ SAFE
Connection of a pair of closing photocells, a pair of
open-
ing photocells and a pair of opening/closing
photocells
/
SAFE
/ SAFE
Fig.
7
Connection of two pairs of closing
photocells
/SAFE
/ SAFE
Fig.
10
Connection of no safety and stop
device
/
SAFE
/SAFE
Fig.
11
Fig.
8
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