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Fieldbus Power Hub,Motherboard for Gateway and Power Supply Modules
Installation and Commissioning
3.4.1
Connections
1
Primary bulk power connection
2
Gateway host
3
Secondary bulk power connection
4
Common alarm volt-free contact with final motherboard link. Loop the alarm contact at
the last motherboard.
5
Diagnostic bus connection
6
Connections for fieldbus trunk
7
Diagnostic link cable ACC-MB-HDC
3.5
Segment Termination
Motherboards have integrated terminators for each segment.
Note!
Communication Problems
Wrong termination may cause communication problems or a total communication loss.
Make sure that 2 terminators are activated on each trunk line.
■
Verify that 1 terminator is located at each end of the trunk line.
■
3.6
Host Connection
Host connection is provided by specific gateways such as the Segment Coupler SK3
(HD2–GTR–4PA) for coupling PROFIBUS PA to PROFIBUS DP.
For details on the gateway required for your application, go to www.pepperl-fuchs.com and look
up the corresponding documentation of the gateway you installed.
3.7
Gateway Addressing
The motherboard features 3 rotary switches for addressing the gateway according to the host
protocol used.
For details on the configuration of the gateway required for your application, go to
www.pepperl-fuchs.com and look up the corresponding documentation of the gateway you
installed.
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2
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6
4
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