Installing
4
Installing and Connecting the
This section contains the following information:
. Components required
for a basic system
. Mounting of the devices
. Wiring of the
4.1
Basic System
and Connecting the Basic
Basic System
System
The
basic system is always of redundant design and consists of two basic units, which are
interconnected via a fiber optic link.
Both basic units are of identical construction and comprise the CPU, an internal power supply and
Figure 4-1.
Basic System
The following components are required for a basic system:
.
Two
basic units
. A fiber optic cable
. At least one electrically separated 24 V DC power supply
4NEB 8126210-02
4-1
