Pepperl+Fuchs HD2 Series Manual page 18

Compact Fieldbus Power Hub,Generic Interface
Installation and Commissioning
Tip
Double-check that the correct torques are used when un- and reinstalling the terminal during
wiring activities!
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
Alarm
+
-
18
S
+ -
RS485
Alarm signal lines
Diagnostic bus +
Diagnostic bus -