Siemens S5-135U/155U System Manual page 359

Connection of Front Strip
Process Signal
LED Pin
Lines
F+
1
F–
2
1N 1N
4
1L 1I0.0
g
6
2N 2N
8
2I0.1
2L
g
10
3N 3N
12
3L 3I0.2
g
14
4N 4N
16
4L 4I0.3
g
18
20
5N 5N
25
5L 5I0.4
g
27
6N 6N
29
6L 6I0.5
g
31
7N 7N
33
7L 7I0.6
g
35
8N 8N
37
8L 8I0.7
g
39
41
g = Green LED (status indicator)
F+/F- = Enable input (jumper in front connector)
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 input voltages, the clearances in air and
leakage paths remain adequate to UL, CSA and VDE.
System Manual
C79000-G8576-C199-06
Block Diagram of Example of connection designation for
Module Inputs
an input:
+5V
(6) I 0.5
x20
t
1)
t
t
t
t
2)
t
t
t
t
2)
Shield
Digital Input/Output Modules
Input 5 (5th bit);
0 to 7 possible
Address of input byte
(byte 0);
0 to 255 possible
I = Input
6th group (not speci-
fied in the address)
8-47