Siemens SIMATIC S5-95F, Manual

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S5-95F Expansion of Basic System with External I/Os
5.6 Connection of Non-Failsafe I/O Modules
When using standard S5-100U I/O modules, please note that these modules have a lower
electromagnetic compatibility than failsafe modules; however, this does not have adverse effects on
the safety functions of the overall system.
Connecting Eight-Channel Digital Modules
These modules do not have a two-wire connection. You therefore need an external distribution block.
The eight channels of a module are numbered from .0 through .7. One terminal on the terminal
block is assigned to each channel. The terminal assignment and the connection diagram are printed
on the front plate of the module.
Connecting Eight-Channel Input Modules (Type A)
The sensors must be connected to terminal 1 via the L+ terminal block.
Example: Connecting a sensor to channel 4 (address I 3.4) on an input module in slot 3
(see Figure 5-17).
Figure 5-17. Connecting a Sensor to Channel 4
a a a a
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1
a a a a
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3
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10
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7
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9
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2
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4
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a a a a
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6
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a a a a
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8
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5
a a a a a a
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a a a a a a
a a a a a a
L+
a a a a
a a a a
a a a a
a a a a
M
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a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a
L+terminal block
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Sensor
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.0
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DIGITAL INPUT
8 x 24 V DC
6ES5 431-8MA12
1 2 3 4 5 6
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a a
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4
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a a a a
a a a a
.1
a a a a
a a a a
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a a a a
.2
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a a a a
.3
a a a a
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a a a a
.4
a a a a
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a a a a
.5
a a a a
a a a a
a a a a
a a a a
.6
a a a a
a a a a
a a a a
.7
a a a a
a a a a
a a a a
L+
a a a
a a a
a a a
M
a a
a a
a a
1
a a
a a
a a
2
a a a
a a a
a a a
4
a a a
a a a
a a a
3
a a a
a a a
a a a
a a a
6
a a a
a a a
a a a
5
a a a
a a a
a a a
a a a
8
a a a
a a a
a a a
a a a
7
a a a a
a a a a
a a a a
10
a a a
a a a
a a a
a a a
9
EWA 4NEB 812 6210-02
5-19