Prosoft-technology MVI69-PDPMV1 Manuale Utente Scaricare il pdf (Pagina 208)

Reference MVI69-PDPMV1 ♦ CompactLogix or MicroLogix Platform

User Manual PROFIBUS DPV1 Master

Page 208 of 225 ProSoft Technology, Inc.

July 8, 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.

1 2 ... 203 204 205 206 207 208 209 210 211 212 213 ... 224 225

Nessun commento

Prosoft-technology MVI69-PDPMV1 Manuale Utente Pagina 208