26
S
A
F
E
+
+
O
P
E
N
B
A
O
P
E
N
O
P
C
L
RX OP
TX OP
S
A
F
E
+
+
O
P
E
N
B
A
O
P
E
N
O
P
C
L
RX OP/CL
TX OP/CL
RX OP
TX OP
S
A
F
E
+
+
O
P
E
N
B
A
O
P
E
N
O
P
C
L
S
A
F
E
+
+
O
P
E
N
B
A
O
P
E
N
O
P
C
L
S
A
F
E
+
+
O
P
E
N
B
A
O
P
E
N
O
P
C
L
Fig. 30
Fig. 31
Fig. 33
Fig. 32
Fig. 29
Connection of a pair of closing photocells
Connection of a pair of opening photocells
Connection of a pair of opening photocells, a pair of closing
photocell and an edge safety device
Connection of a pair of closing photocells, a pair of opening
photocells and a pair of opening/closing photocells
Connection of two pairs of closing photocells and two
edge safety devices
Содержание 844ER
Страница 21: ......