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Installing and Connecting the Basic System
How to Set the Subunit Identifier
Set the subunit identifier on both subunits.
One subunit is assigned identifier "A", the other identifier "B".
Subunit A
You should observe that by setting the subunit identifers you also define the addressing and wiring
rules for the I/Os.
How to Set the Length of the Fiber Optic Cable
Use the lower three switches to set the length of the fiber optic cable. The fiber optic cable can
be 1, 2, 5 or 10 m long (3.28, 6.56, 16.4 or 32.8 ft).
1 m (3.28 ft)
Figure 4-7. Setting the Length of the Fiber Optic Cable
How to Connect the Fiber Optic Cable
Connect the two basic units via the fiber optic cable.
Note
Observe the following when connecting the fiber optic cable:
•
Make sure that the connectors are not contaminated by dust, grease, etc., as this
causes impermissible damping.
•
The bending radii for fiber optic cables must at least be 40 mm.
4-6
Figure 4-6. Setting the Subunit Identifiers
2 m (6.56 ft)
Subunit B
5 m (16.4 ft)
S5-95F
10 m (32.8 ft)
EWA 4NEB 812 6210-02
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