Omron NX1P2 series

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Troubleshooting

This section describes the overview of the methods for checking errors.

6-1 Overview of T

roubleshooting........................................................................ 6-2

6-1

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

Main Page

Default Chapter3
- Intended Audience3
- Applicable Products3
Relevant Manuals4
Manual Structure6
- Page Structure6
- Special Information7
- Precaution on Terminology7
Sections in this Manual9
- Table of Contents10
Terms and Conditions Agreement14
- Warranty, Limitations of Liability14
- Application Considerations15
- Disclaimers15
Safety Precautions17
- Definition of Precautionary Information17
- Symbols17
- Warning18
- Cautions20
Precautions for Safe Use22
Precautions for Correct Use33
Regulations and Standards37
- Conformance to EU Directives37
- Conformance to UL and CSA Standards38
- Conformance to KC Certification38
- Conformance to Shipbuilding Standards38
- Software Licenses and Copyrights39
Versions40
- Checking Versions40
- Unit Versions of CPU Units and Sysmac Studio Versions42
Related Manuals43
Terminology46
Revision History51
- Introduction to NX-Series Controllers53
The NX-Series Controller54
- Features55
- Introduction to the System Configurations58
Specifications61
Overall Operating Procedure for the CPU Unit66
- Overall Procedure66
- Procedure Details67
  - System Configuration73
Section 2 System Configuration74
Basic System Configuration74
- Ethercat Network Configuration75
- NX Unit Configuration76
Connecting to the Sysmac Studio79
Network Configuration80
Section 3 Configuration Units84
CPU Units84
- Models and Specifications84
- Part Names and Functions87
- Operation Status Indicators89
- Terminal Blocks94
- Battery100
- ID Information Indication102
SD Memory Cards103
- Models and Specifications103
- Purpose103
- Models and Specifications104
- Serial Communications Option Board104
- Purpose105
- Part Names and Functions105
Analog I/O Option Board108
- Models and Specifications108
- Purpose109
- Part Names and Functions109
Power Supply-Related Units113
NX Units114
Sysmac Studio115
- Model Numbers115
- Connection115
  - Designing the Power Supply System117
Power Supply System118
- NX Unit Power Supply and I/O Power Supply118
- NX-Series Power Supply-Related Units119
Designing the NX Unit Power Supply System126
- Procedure for Designing the NX Unit Power Supply System126
- Calculation Example for the NX Unit Power Supply127
Designing the I/O Power Supply System129
- I/O Power Supply Method129
- Designing the I/O Power Supply from the NX Bus130
- Designing the I/O Power Supply from External Sources135
- Designing I/O Power Supply for the Built-In I/O135
- Restrictions on Inrush Current for ON/OFF Operation137
Selecting External Power Supplies and Protective Devices138
- Selecting the Unit Power Supply138
- Selecting the I/O Power Supplies140
- Selecting Protective Devices141
  - Installation and Wiring145
Processing at Power on and Power off147
- Power on Operation147
- Power off Operation149
- Resetting the Controller from the Sysmac Studio151
Fail-Safe Circuits152
Mounting and Removing Units155
- Installation in a Control Panel156
- Preparations for Installation160
- Installing the CPU Unit162
- Installing and Connecting NX Units164
- Mounting the End Cover168
- Mounting the End Plates169
- Attaching Markers171
- Installing and Removing the SD Memory Card172
- Attaching and Removing Option Boards177
- Battery Installation178
- Removing CPU Unit181
- Removing NX Units182
- Assembled Appearance and Dimensions183
Wiring187
- Wiring the Unit Power Supply188
- Wiring the Additional NX Unit Power Supply Unit188
- Wiring the Additional I/O Power Supply Unit188
- Wiring the Protective Devices188
- Grounding189
- Wiring the Built-In Ethercat Port195
- Wiring the Built-In Ethernet/Ip Port195
- Wiring to the CPU Unit Terminal Block195
- Wiring the Built-In I/O209
- Wiring the NX1W-CIF01 Serial Communications Option Board213
- Wiring the NX1W-CIF11/-CIF12 Serial Communications Option Board218
- Wiring the Analog I/O Option Board221
Control Panel Installation227
- Temperature227
- Humidity229
- Vibration and Shock229
- Atmosphere229
- Electrical Environment230
- Grounding234
  - Troubleshooting239
Overview of Troubleshooting240
- Inspection and Maintenance241
Cleaning and Maintenance242
- Cleaning242
- Periodic Inspections243
- Unit Replacement Precautions244
Replacing the Battery246
Appendices249
A-1 Specifications250
A-2 Dimensions251
- A-2-1 NX-Series NX1P2 CPU Units251
- NX-Series NX1P2 CPU Units251
- A-2-2 End Cover252
- A-2-3 SD Memory Card252
- A-2-4 Option Boards253
A-3 Version Information254
- Relationship between Unit Versions of CPU Units and Sysmac Studio Versions254
- Functions that Were Added or Changed for each Unit Version255
Support Functions of the CPU Units and Restrictions on the NX Units257

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