Constructing A Bus Cable For Profibus Dp - ProSoft Technology inRax MVI69-PDPMV1 User Manual

Reference
User Manual
6.9

Constructing a Bus Cable for PROFIBUS DP

The bus cable for connecting PROFIBUS DP devices must be constructed by the
user. A special PROFIBUS cable (twisted pair) is required here. This standard
cable is available from various manufacturers and is a Belden part number
3079A.
If you plan to construct your own bus cable, the following part numbers are
provided for your convenience.

PROFIBUS connector: Siemens part number 6ES7972-0BA40-0XA0

PROFIBUS cable: Belden part number 3079A.
To construct the cable, proceed as follows:
1 Cut the cable to the required length.
2 Prepare the cable ends as shown in the illustration (dimensions in mm):
J PVC Jacket
S Braided shielding
3 Remove the PVC jacket J to the indicated length.
4 Wrap the provided copper shielding F around the shield braiding S:
J PVC jacket
S Braided shielding
F Copper foil shielding
Additional foil can be obtained from 3M.
5 Plug the leads of the corresponding cable(s) into the terminals as shown:
Green leads in terminal A
o
Red lead in terminal B
o
Note: Do not tighten the corresponding screws yet.

Page 208 of 225
MVI69-PDPMV1 ♦ CompactLogix or MicroLogix Platform
PROFIBUS DPV1 Master
ProSoft Technology, Inc.
July 8, 2011