Siemens S5-135U/155U System Manual page 361

Connection of Front Strip
Process Signal
LED
Lines
L+
F+
1
2
L+
1L+
r
3
L–
1Q0.0
g
4
1Q0.1
g
5
1Q0.2
g
6
1Q0.3
g
7
1Q0.4
g
8
1Q0.5
g
9
1Q0.6
g
10
1Q0.7
g
11
r
12
1Q1.0
g
13
1Q1.1
g
14
1Q1.2
g
15
1Q1.3
g
16
1Q1.4
g
17
1Q1.5
g
18
1Q1.6
g
19
1Q1.7
20
g
21
H– H+
22
23
L+ 2L+
r
24
2Q2.0
g
25
2Q2.1
g
26
2Q2.2
27 g
2Q2.3
g
28
2Q2.4
29 g
2Q2.5
g
30
2Q2.6
g
31
2Q2.7
g
32
r
33
2Q3.0
g
34
2Q3.1
g
35
2Q3.2
g
36
2Q3.3
g
37
2Q3.4
g
38
2Q3.5
g
39
2Q3.6
g
40
2Q3.7
g
41
42
g = Green LED (status indicator)
r = Red LED (short-circuit indicator)
F+ = Enable input, referred to 0 V ground
Connect L- of the power supply unit to the reference potential (PE).
1)
Changeover of enable mode with jumper X20:
Jumper inserted = Enable input active (factory setting)
Jumper open = Enable input inactive.
2)
The terminal is not connected internally. When this terminal is connected to the output voltages, the clearances in air
and leakage paths are no longer adequate to UL and CSA, but comply with VDE.
System Manual
C79000-G8576-C199-06
Block Diagram of
Module Inputs
Pin
x20
t
1)
2)
F2
F1
2)
2)
Short-
Circuit
2)
F4
F3
2)
M
ext.
Digital Input/Output Modules
Example of connection designation
for an output:
(2) Q 2.6
Output 6 (6th bit);
0 to 7 possible
Address of output byte
(2nd byte);
0 to 255 possible
Q = Output
2nd terminal L+ (not
specified in the ad-
dress)
8-49