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S5-115U Manual
10.5.1 Connecting Transducers to the 466-3LA11 Analog Input Module
The pin assignments of the 466-3LA11 analog input module depend on the type of measurement
(common-reference measurement or differential measurement).
Common-reference Measurement
1
2
M0+
3
M0-
4
M8-
5
M8+
6
7
M1+
8
M1-
9
M9-
10
M9+
11
12
M2+
13
M2-
14
M10-
15
M10+
16
17
M3+
18
M3-
19
M11-
20
M11+
21
22
23
24
M4+
25
M4-
26
M12-
27
M12+
28
29
M5+
30
M5-
31
M13-
32
M13+
33
34
M6+
35
M6-
36
M14-
37
M14+
38
39
M7+
40
M7-
41
M15-
42
M15+
43
Figure 10-18. Pin Assignments of the 466 Analog Input Module in the Case of
EWA 4NEB 811 6130-02b
Common-Reference Measurement
Analog Value Processing
In the case of common-reference measure-
ment, all signal lines have a common refe-
rence point. The reference point is pro-
duced by running all M - inputs to one
point (see Figure 10-18).
Since this type of measurement is sus-
ceptible to noise, the signal sources should
be located close to the 466 analog input
module.
There are 16 channels available; unused
channels must be short-circuited (jumper
between M+ and M -).
Labelling and Grouping of Channels
The channels are labelled as follows on the
module:
Channel 0:
M0+
M0 -
Channel 1:
M1+
M1 -
:
:
Channel 15:
M15+
M15 -
The channels are arranged in groups of
four, for which separate measuring ranges
can be set:
Channel group I:
Channel 0 to 3
Channel group II:
Channel 4 to 7
Channel group III: Channel 8 to 11
Channel group IV: Channel 12 to 15
10-29
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