Segment Termination - Pepperl+Fuchs FIELDBUS Manual

Compact Fieldbus Power Hub,Generic Interface
Installation and Commissioning
Installation Requirements for Ex ic Installations
If the fieldbus Power Hub should be used within an intrinsically safe installation (Ex ic), ensure
that the following installation requirements are fulfilled:
Mounting the Connector Cover ACC-MB-CC for Ex ic Installations
Warning!
Risk of explosion through wrong wiring practice!
Wrong wiring practice violates the targeted explosion protection and causes risk of explosion.
Use the delivered connector without fastening screws only in combination with the
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connector cover.
Use the delivered connector without fastening screws only on primary and secondary
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bulk power terminals.
1. Slide the connector cover over the stripped power supply cable.
2. Screw the leads into the delivered connector.
3. Mount the connector onto the power terminal.
4. Put the connector cover over the power supply connector and tighten the fastening screws.
3.4

Segment Termination

Motherboards have integrated terminators for each segment.
Caution!
Communication Problems
Wrong termination may cause communication problems or a total communication loss.
Make sure that two terminators are activated on each trunk line.
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Verify that a terminator is located at each end of the trunk line.
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