Connecting The Lan Cable - Siemens SIMATIC NET PROFIBUS Owner's Manual

Siemens network system owner manual
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Active Components for RS-485 Networks
5.6

Connecting the LAN Cable

All the LAN cables described in Chapter 4 are suitable for attachment to the
RS-485 repeater.
Connecting the PROFIBUS Cable
Connect the PROFIBUS LAN cable to the RS-485 repeater, as follows:
1. Cut the PROFIBUS cable to the required length.
2. Strip the insulation from the PROFIBUS cable as shown in Figure 5-9.
The braid shield must be folded back on to the cable. Only then can the shield
clamp serve as strain relief and as the shield contact.
8,5
Î Î Î
Î Î Î
Braid shield must be folded back!
Figure 5-9
3. Connect the PROFIBUS cable to the RS-485 repeater:
Connect the same wires (green/red for the PROFIBUS LAN cable) to the same
terminal A or B (in other words always connect terminal A with a green wire and
terminal B with a red wire or vice versa).
4. Tighten the shield clamps so that the shield makes good contact with the clamp.
5-14
e.g. standard cable
6XV1 830-0EH10
16
10
Stripping the Cable to Connect it to the RS-485 Repeater
e.g. underground cable
6XV1 830-3FH10
16
16
10
Î Î Î
Î Î Î
8,5
PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000

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