Wiring Of Grounding - Omron Sysmac NX-PD1000 User Manual

4 Installation and Wiring
4-4

Wiring of Grounding

This section describes how to ground the CPU Rack and the Slave Terminal.
Units with Functional Ground Terminals in CPU Rack
Some of the Units in a CPU Rack of the NX-series NX1P2 CPU Unit have the following functional
ground terminals.
• CPU Unit
• Additional NX Unit Power Supply Unit
• Shield Connection Unit
Additional Information
A Shield Connection Unit is used to connect the shield when connecting to external input
devices. You can ground more than one shield to the same ground pole to reduce the amount
of wiring work for grounding.
Refer to the hardware user's manual for the connected CPU Unit for the details on the ground terminals
for the CPU Rack.
Units with Functional Ground Terminals in Slave Terminal
Some of the NX Units in a Slave Terminal have the following functional ground terminals.
• Communications Coupler Unit
• Additional NX Unit Power Supply Unit
• Shield Connection Unit
Additional Information
A Shield Connection Unit is used to connect the shield when connecting to external input
devices. 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 Communications Coupler Unit for details on grounding the
Slave Terminal.
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NX-series System Units User's Manual (W523)