
Connecting the Network
3-12
SIMATIC 505 PROFIBUS-FMS CP User Manual
Installing PROFIBUS Cables (continued)
The
following procedure describes how to attach a Siemens PROFIBUS
connector to your cable. Also consult the instructions that come with your
specific Siemens connector
.
1.
Open the connector housing by loosening both housing screws
(see Figure 3-8).
9-pin
D-shell
connector
Housing screws
Cable guide
External
termination
switch
Figure 3-8 Typical
PROFIBUS Connector
2.
Remove the cover of the housing.
3.
Remove 1.25 inches (30 mm) of the cable sheath to expose the shielding
below
. See Figure 3-9.
Approx.
1/4 in. (6 mm)
Approx. 1/2 in. (12 mm)
Cable shielding
Approx. 1/2 in. (12 mm)
Approx. 3/4 in. (19 mm)
Cable sheath
Figure 3-9 Stripping
the W
ires
4.
Remove a 0.75-inch (19 mm) portion of the cable shielding to expose the
two signal wires.
T
o ensure that the connection is properly grounded, you must leave
enough exposed cable shielding (0.5 inches, 12 mm) to make a proper
contact with the metal cable guide on the connector
. See Figure 3-9.
Installing a
PROFIBUS
Connector
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