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PROFIBUS Power Hub Segment Coupler 3 (SK3)
Installation and Commissioning
Connections of the PROFIBUS Power Hub System
7
1
PROFIBUS DP connection
2
PROFIBUS DP connection
3
Trunk connections (4 x)
4
Primary and secondary bulk power supply connection
5
ACC-MB-HDC diagnostic link cable connecting neighboring Power Hubs (optional)
6
Diagnostic link cable ACC-MB-HDC, optional accessory
7
Final motherboard link (optional)
Note!
Different Ways to Transmit Diagnostic Information
By default, diagnostic information from the diagnostic module HD2-DM* is transmitted via the
gateway. It is not necessary to connect neighboring Power Hubs.
Alternatively, the gateway can be bypassed and the diagnostic information can be transmitted
via a separate bus. In this case, neighboring Power Hubs need to be connected 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 picture below).
24
2
1
5
6
3
4
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