Siemens S5-155U System Manual page 356

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Specification Sheets for the Modules
Connection of
Front Strip
Process Signal
LED
Pin
Lines
L+
F+
1
L-
F-
2
L+
1L+
r
3
1Q0.0
g
4
5
1Q0.1
g
6
7
1Q0.2
g
8
9
1Q0.3
g
10
11
12
r
2Q0.4
g
13
14
2Q0.5
g
15
16
2Q0.6
g
17
18
2Q0.7
g
19
L+
2L+
20
L-
21
H-
H+
22
23
L+
3L+
24
r
3Q1.0
g
25
26
3Q1.1
g
27
28
3Q1.2
g
29
30
3Q1.3
g
31
32
33
r
4Q1.4
g
34
35
4Q1.5
g
36
37
4Q1.6
g
38
39
4Q1.7
g
40
L+
4L+
41
42
8 - 58
Block Diagram
of Module
Inputs
x20
t
1)
F1
2)
2)
2)
2)
2)
2)
2)
2)
F2
Short-
Circuit
2)
F3
2)
2)
2)
2)
2)
2)
2)
2)
2)
F4
2)
Shield
g
=
Green LED (status indicator)
r
=
Red LED (short-circuit indicator)
F+/F- =
Enable input
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.
Example of connection designation for
an output:
(4) Q 1.6
Output 6 (6th bit);
0 to 7 possible
Address of output byte
(1st byte);
0 to 255 possible
Q = Output
4th terminal L+
(not specified in the
address)
System Manual
C79000-B8576-C199-03

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