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S5-95F
5.9
Grounded or Non-Grounded S5-95F Configuration
The S5-95F can be configured both with a grounded or with an isolated (non-grounded) reference
potential.
Configuration with Grounded Reference Potential
Usually, you should configure the S5-95F with a grounded reference potential. The grounded
configuration ensures a very high degree of interference immunity. Interference currents that occur
are discharged by the standard mounting rail to the protective conductor.
Figure 5-24 shows the connections necessary for a grounded S5-95F configuration.
Battery
I
O
Protective conductor bar
To configure the S5-95F with a grounded reference potential, you should proceed as follows:
Connect the
Connect both subunits with each other.
Connect the standard mounting rail with the protective conductor.
EWA 4NEB 812 6210-02
Subunit A
OUT
DIGITAL
IN
A B
L+
L+
32
32
.0
.4
.0
.1
.5
.1
.2
.6
.2
.3
.7
.3
.4
.0
.4
.5
.1
.5
.6
.2
.6
.7
.3
.7
M
L+
33
33
34
.0
.0
.0
.1
.1
.1
.2
.2
.2
.3
.3
.3
.4
.5
.6
L+
.7
DC 24 V
M
M
terminal of subunit A and subunit B with the standard mounting rail.
Figure 5-24. Grounded S5-95F Configuration
Expansion of Basic System with External I/Os
B
A
Subunit B
A B
L+
32
.0
.4
.1
.5
.2
.6
.3
.7
Battery
.4
.0
.5
.1
.6
.2
.7
.3
M
L+
33
34
I
.0
.0
.1
.1
O
.2
.2
.3
.3
L+
DC 24 V
M
IN
L+
32
.0
.1
.2
.3
.4
.5
.6
B
A
.7
33
.0
.1
.2
.3
.4
.5
.6
.7
M
5-27
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