Networking
5-24
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
Connecting the PROFIBUS-DP Bus Cable
Connect the PROFIBUS-DP bus cable to the RS 485 repeater as follows:
1. Cut the PROFIBUS-DP bus cable to the required length.
2. Strip the PROFIBUS-DP bus cable according to the following figure.
The braided shield must be turned back over the cable. This is essential so that
the shielding point can serve later for strain relief and as a securing element.
6XV1 830-0AH10
6XV1 830-3BH10
8.5 16 10
6XV1 830-3AH10
8.5
16 1016
Braided shield must be turned back over cable
3. Connect the PROFIBUS-DP bus cable to the RS 485 repeater:
Connect the same cores (green/red for PROFIBUS-DP bus cable) to the same
terminal A or B (for example, green conductor always connected to terminal A
and red conductor to terminal B).
4. Tighten the shield clamps so that the bare shield makes contact under the
shield clamp.
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