Name: Omron NJ501-1400
Brand: Omron
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1 Introduction to NJ-series Controllers

1-10

NJ-series CPU Unit Hardware User’s Manual (W500)

Note Items that are marked with asterisks in the table are improvements that were made during version upgrades. Refer to A-

7 Version Information for information on version upgrades.

Introduction3
Relevant Manuals4
Manual Structure5
Sections in this Manual7
- Table of Contents8
Terms and Conditions Agreement12
Safety Precautions14
Precautions for Safe Use19
Precautions for Correct Use29
Regulations and Standards33
Versions35
Related Manuals38
Terminology40
Revision History45
- Introduction to NJ-Series Controllers47
Section 1 Introduction to NJ-Series Controllers48
The NJ-Series Controllers48
- Features48
- Introduction to the System Configurations50
Specifications53
Overall Operating Procedure for the NJ-Series Controller57
- Overall Procedure57
- Procedure Details58
  - System Configuration63
Section 2 System Configuration64
Basic System Configuration64
- Ethercat Network Configuration66
- CJ-Series Unit Configuration67
Connecting to the Sysmac Studio81
Network Configuration82
- Configuration Units85
Section 3 Configuration Units86
CPU Units86
- Models and Specifications86
- Components and Functions87
SD Memory Cards94
- Models and Specifications94
- Purpose94
- Installing and Removing96
Power Supply Units98
- Models and Specifications98
- Components and Functions100
- Selecting a Power Supply Unit101
CJ-Series Basic I/O Units106
- Models and Specifications106
- Part Names and Functions107
B7A Interface Ports110
- Overview110
- System Configuration110
- Models110
- B7A Communications Specifications111
- Common Specifications112
- B7A Interface Port I/O Types112
- Parts and Names113
- Transmission Error Processing115
CJ-Series I/O Control Units and I/O Interface Units116
- Models and Specifications116
- Component and Functions116
Sysmac Studio117
- Model Numbers117
- Connection118
- Installation and Wiring121
Processing at Power on and Power off122
- Power on Operation122
- Power off Operation123
- Resetting the Controller from the Sysmac Studio125
Fail-Safe Circuits126
- Order of Powering up the Controller and Controlled System127
Mounting Units129
- Installation in a Control Panel129
- Connecting Controller Components134
- DIN Track Installation136
- Connecting CJ-Series Expansion Racks139
- Assembled Appearance and Dimensions141
Wiring146
- Power Supply Wiring146
- Wiring the Built-In Ethercat Port151
- Wiring CJ-Series Basic I/O Units with Terminal Blocks151
- Wiring CJ-Series Basic I/O Units with Connectors153
- Connecting to Connector-Terminal Block Conversion Units or I/O Relay Terminals158
- Connecting I/O Devices159
- Input Devices159
- Wiring the Built-In Ethercat Port162
- Wiring B7A Interface Units163
- Connection Diagrams167
Control Panel Installation169
- Temperature169
- Humidity171
- Vibration and Shock171
- Atmosphere171
- Electrical Environment172
- Grounding176
  - Troubleshooting181
Operation after an Error182
- Overview of NJ-Series Status182
- Fatal Errors in the CPU Unit183
- Non-Fatal Error in CPU Unit184
Troubleshooting191
- Checking to See if the CPU Unit Is Operating191
- Troubleshooting Flowchart for Non-Fatal Errors192
- Error Table193
- Error Descriptions210
- Troubleshooting Errors that Are Not in the CPU Unit274
  - Inspection and Maintenance277
Section 6 Inspection and Maintenance278
Periodic Maintenance and Inspection278
- Periodic Inspection278
- Unit Replacement Precautions279
- Required Tools279
Replacing the Battery280
- Battery Replacement280
- Operation Without a Battery283
Appendices285
Specifications286
Specifications of Basic I/O Units287
- A-2-1 Overview of Units287
- Basic I/O Units289
- A-2-3 Precautions on Contact Output Units336
- Connecting Connector-Terminal Block Conversion Units and I/O Relay Terminals338
Dimensions373
- A-3-1 NJ-Series CPU Units373
- A-3-2 NJ-Series Power Supply Units374
- A-3-3 CJ-Series Basic I/O Units375
- A-3-4 B7A Interface Unit378
- A-3-5 CJ-Series I/O Control Unit and I/O Interface Unit378
- A-3-6 SD Memory Card378
Load Short-Circuit Protection and Line Disconnection Detection for CJ-Series Basic I/O Units379
- A-4-1 Load Short-Circuit Protection and Line Disconnection Detection for CJ1W-OD202379
- A-4-2 Load Short-Circuit Protection for CJ1W-OD204/OD212/OD232/MD232382
EMC Directive Measures for Relay Outputs384
System-Defined Variables Related to Hardware386
Version Information387
- Relationship between Unit Versions of CPU Units and Sysmac Studio Versions387
- A-7-2 Relationship between Hardware Revisions of CPU Units and Sysmac Studio Versions389
- A-7-3 Functions that Were Added or Changed for each Unit Version390
- A-7-4 Performance Improvements for Unit Version Upgrades393

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Omron NJ501-1400 Specifications

General

Brand	Omron
Model	NJ501-1400
Category	Control Unit
Language	English

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