Reference
MVI46-PDPMV1 ♦ SLC Platform
User Manual
PROFIBUS DPV1 Master
Page 146 of 160
ProSoft Technology, Inc.
March 25, 2011
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:
o
Green leads in terminal A
o
Red lead in terminal B
Note:
Do
not
tighten the corresponding screws yet.
