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Units with Ground Terminals and Type of Ground Terminals
Functional Grounding
Input terminal block
CPU Unit
NX Unit
Functional
Grounding
l
Units with Ground Terminals
• CPU Unit
• Additional NX Unit Power Supply Unit
• Shield Connection Unit
Grounding type
Symbol
Function
Functional
Grounding
Functional grounding is done to protect device and system functions, in-
cluding prevention of noise from external sources, or prevention of noise
from devices or equipment that could have harmful effects on other devi-
ces or equipment.
DIN Track Contact Plates
A Unit that has a ground terminal also has a DIN Track contact plate on the back of the Unit.
The DIN Track contact plate is connected internally to the ground terminal on the Unit.
This means that the ground terminal will be electrically connected to the DIN Track.
5 Installation and Wiring
5-46
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
Summary of Contents for NX1P2 series
Page 8: ...Manual Structure 6 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 52: ...Revision History 50 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 82: ...2 System Configuration 2 10 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 258: ...Appendices A 10 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 259: ...I Index I 1 NX series NX1P2 CPU Unit Hardware User s Manual W578 I...
Page 262: ...Index I 4 NX series NX1P2 CPU Unit Hardware User s Manual W578...
Page 263: ......