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P R O F I B U S P
O W E R
Normally, diagnostic information from the diagnostic module HD2-DM* is
transmitted via the gateway. You do not need to connect neighboring Po-
wer Hubs.
Alternatively, you may bypass the gateway and transmit the diagnostic in-
Note
formation via a separate bus. Only in this case do you need to connect
neighboring power hubs using the ACC-MB-HDC diagnostic link cable.
The last Power Hub in a row has to be fitted with a final motherboard link
(see figure 3.1).
3.3.1
Master Connection to a Redundant PROFIBUS Power Hub System
•
Master 1
Subject to reasonable modifications due to technical advances.
Pepperl+Fuchs Group • Tel.: Germany +49 621 776-0 • USA +1 330 4253555 • Singapore +65 67799091 • Internet http://www.pepperl-fuchs.com
H
S
U B
E G M E N T
Installation and Commissioning
Master 2*
*Flying Redundancy
C
O U P L E R
Copyright Pepperl+Fuchs, Printed in Germany
27
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