Omron NX1P2 series

5 Installation and Wiring
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NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
• As shown in the following diagram, when using shielded cable for I/O wiring, connect the shield
near the Controller to the enclosure ground terminal.
Follow the instructions in the Communications Unit manual for preparing shielded communica-
tions cable.
 Controller Ground Terminals
The Controller has the following ground terminal.
When the functional ground terminal is correctly grounded, it is generally effective in suppressing
power supply common noise. Occasionally, however, grounding this terminal will result in picking up
more noise, so be careful when using it.
Grounding
type
Symbol Connection
Functional
Grounding
Ground this terminal when power supply noise causes malfunctioning.
Shielded Cable Ground
Controller
Output
Common
Input
Common