Siemens S5-155U System Manual page 408

The 460 Analog Input Module
Front connector assignments
Connection Front Strip
of Process
Signal Lines Pin
F+
1
F-
2
L+
3
4
+
Ch. 0
-
1) 6
8
+
Ch. 1
-
1) 10
13
+
Ch. 2
-
1) 15
17
+
Ch. 3
-
1) 19
L-
21
L-
22
Comp.-
23
Comp. +
24
L +
3)
+
25
T 2) Ch. 4
-
27
1)
+
29
2) Ch. 5
T
-
31
1)
+
34
T 2) Ch. 6
-
36
1)
+
38
T 2) Ch. 7
-
40
1)
I +
41
c
42
I -
c
Figure 9-11 Front Connector Assignments
9 - 36
Voltage or current-input resistance thermometer or connection of
two-wire transducer
Block Diagram
of the Module
t
ADU
I
trip
L-
Comp.-
Comp. +
L +
L+
L-
#
I
I
const.
I
1)
Observe permissible potential difference between sensor ground and reference
potential of modules or between sensor grounds.
2)
Two-wire transducer
3)
Only required to switch off the tripping current without broken wire detection;
0 V at L- (see Section 1.3.1).
4)
Connect L- to the central ground point (reference potential).
Connection of Front Strip
Process Signal
Lines Pin
F+
1
F-
2
L+
3
4
Ch. 0
6
8
Ch. 1
10
13
Ch. 2
15
17
Ch. 3
19
L-
21
22
23
24
3)
25
Ch. 4
27
29
Ch. 5
31
34
Ch. 6
36
38
Ch. 7
40
c+
41
42 const.
c-
C79000-B8576-C109-03
Block Diagram
of the Module
t
ADU
I
trip
#
I
System Manual