Pepperl+Fuchs HCD2-FBPS Series Manual page 19

Fieldbus Power Hub,Motherboard for Gateway and Power Supply Modules
Installation and Commissioning
Connecting the Trunk
The motherboard is connected to the trunk line via designated screw or spring terminals.
Trunk Connection with Screw Terminal
+ Segment +
- Segment -
S Shield connection
Trunk Connection with Spring Terminal
+ - S
+ Segment +
- Segment -
S Shield connection
Connecting the Diagnostic Bus
The motherboard is connected to the diagnostic bus via plug-in screw or spring terminals on
fixed circuit board connectors.
Diagnostic Bus Connection with Screw Terminal
+ - +
Alarm RS485
Each motherboard has 2 identical diagnostic bus terminals facing each other with inverted
connections.
Alarm
+
-
+ − S
-
Alarm signal lines
Diagnostic bus +
Diagnostic bus -
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