Siemens SIMATIC S5-95F Manual page 344

Interrupt Processing
Example 3: Two sensors, S1a and S1b, are to be connected to interrupt input I 59.0 (type C).
Subunit A
1
6
2
7
3
8
4
9
5
Figure 12-3. Connecting Two Independent Sensors to an Interrupt Input
Example 4: Two sensors, S1a and S1b, with line monitoring compared with other signal lines via
test DQ 33.1, are to be connected to interrupt input I 59.0 (type E).
12× 24 V DC
DQ33.1
L+
24 V DC
-
L
Figure 12-4. Connecting Two Independent Sensors and a Line Monitor to an Interrupt Input
Note
A separate test DQ bit is required for the DI line test. You may only use this test DQ bit
for monitoring DIs from IB 59. DIs from other input bytes must not be connected to this
test DQ bit.
12-8
24 V DC
I 59.0
S1a
M (ground)
Subunit A
DIGITAL
OUT
IN
16× 24 V DC
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
+
10 10
L
11 11
12 12
13 13
14 14
15 15
16 16
17 17
18 18
L-
19 19
20 20
24 V DC
I 59.0
S1b
24 V DC
M (ground)
L+
1
I 59.0
6
2
7
3
8
4
9
L-
5
S1a
Subunit B
1
6
2
7
3
8
4
9
5
Subunit B
L+
1
I 59.0
2
3
4
L-
5
S1b
It is also possible
to connect other
inputs from IB 59.
EWA 4NEB 812 6210-02
S5-95F
6
7
8
9