Omron sysmac NX Series User Manual page 98

4 Installation and Wiring
Additional Information
A Shield Connection Unit is used to connect the shield when connecting to external input devi-
ces. You can ground more than one shield to the same ground pole to reduce the amount of
wiring work for grounding.
Refer to the user's manual for the connected Communication Control Unit for details on grounding the
CPU Rack.
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NX-series System Units User's Manual (W523)