Omron NX1P2 series

Omron NX1P2 series

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7 Inspection and Maintenance

7 - 8

NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)

Table of Contents

Introduction3
- Intended Audience3
- Applicable Products3
- Table of Contents4
Contents5
Relevant Manuals8
Manual Structure10
- Page Structure10
- Special Information11
- Precaution on Terminology11
Terms and Conditions Agreement12
- Warranty, Limitations of Liability12
- Application Considerations13
- Disclaimers13
Safety Precautions14
- Definition of Precautionary Information14
- Symbols14
- Warnings15
- Cautions18
Precautions for Safe Use19
Precautions for Correct Use28
Regulations and Standards32
- Conformance to EU Directives32
- Conformance to UL and CSA Standards33
- Conformance to KC Standards33
- Software Licenses and Copyrights33
Versions34
- Checking Versions34
- Unit Versions of CPU Units and Sysmac Studio Versions36
Related Manuals37
Terminology40
Revision History45
Sections in this Manual47
- Introduction to NX-Series Controllers49
- The NX-Series Controllers50
  - Features50
  - Introduction to the System Configurations53
- 1-2 Specifications60
- Overall Operating Procedure for the CPU Unit60
  - Overall Procedure60
  - Procedure Details61
Section 2 System Configuration66
- System Configuration66
Basic System Configuration66
- Ethercat Network Configuration67
- NX Unit Configuration68
Connecting to the Sysmac Studio70
Network Configuration71
Section 3 Configuration Units74
CPU Units74
- Models and Specifications74
- Part Names and Functions76
- Operation Status Indicators78
- Terminal Blocks82
- Battery88
- ID Information Indication90
SD Memory Cards91
- Models and Specifications91
- Purpose91
Serial Communications Option Board92
- Models and Specifications92
- Purpose93
- Part Names and Functions94
Analog I/O Option Board97
- Models and Specifications97
- Purpose98
- Part Names and Functions99
Power Supply-Related Units103
NX Units104
Sysmac Studio105
- Model Numbers105
- Connection106
  - Designing the Power Supply System109
Section 4 Designing the Power Supply System110
Power Supply System and Design Concepts110
- Power Supply System and Types of Power Supplies110
- NX-Series Power Supply-Related Units112
- Design Concepts for Power Supply to the CPU Rack114
Designing the NX Unit Power Supply System115
- Procedure for Designing the NX Unit Power Supply System115
- Calculation Example for the NX Unit Power Supply116
Designing the I/O Power Supply System118
- I/O Power Supply Method118
- Designing the I/O Power Supply from the NX Bus119
- Designing the I/O Power Supply from External Sources124
- Designing I/O Power Supply for the Built-In I/O124
- Restrictions on Inrush Current for ON/OFF Operation125
Selecting External Power Supplies and Protective Devices126
- Selecting the Unit Power Supply126
- Selecting the I/O Power Supplies128
- Selecting Protective Devices129
- Processing at Power on and Power off135
- Fail-Safe Circuits139
- Mounting Units141
- Wiring171
- Control Panel Installation206
- Operation after an Error220
- Troubleshooting229
- Cleaning and Maintenance318
Replacing the Battery321
Appendices325
A-1 Specifications326
A-2 Dimensions327
- A-2-1 NX-Series NX1P2 CPU Units327
- NX-Series NX1P2 CPU Units327
- A-2-2 End Cover328
- A-2-3 SD Memory Card328
- A-2-4 Option Board329
A-3 Version Information330
- A-3-1 Relationship between Unit Versions of CPU Units and Sysmac Studio Versions330
- Relationship between Unit Versions of CPU Units and Sysmac Studio Versions330
- A-3-2 Functions that Were Added or Changed for each Unit Version332
Support Functions of the CPU Units and Restrictions on the NX Units333

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