Omron NJ301-1200 User Manual

Machine Automation Controller
NJ-series
CPU Unit
Hardware
CPU Unit
Power Supply Unit
Basic I/O Units
User’s Manual
W500-E1-17
NJ501-
NJ301-1
NJ101-
NJ-P3001
CJ1W-ID/IA
CJ1W-INT01
CJ1W-IDP01
CJ1W-OC/OD/OA
CJ1W-MD
CJ1W-B7A

Omron NJ301-1200 Specifications

General

Model	NJ301-1200
Memory Capacity	512 MB
Number of Axes Controlled	16 axes
Cycle Time	1 ms
Ethernet Ports	2
Built-in EtherNet/IP port	Yes
Built-in EtherCAT port	Yes
SD Memory Card Slot	Yes
Power Supply	24 VDC
Operating Temperature	0 to 55 °C
CPU Type	Intel Atom
I/O Capacity	Up to 256 points
EtherCAT Refresh Cycle	1 ms
Programming Language	IEC 61131-3 (LD, ST, FBD, SFC, IL)

Summary

Introduction to NJ-series Controllers

Relevant Manuals

Introduction to NJ-series Controllers

System Configuration

Configuration Units

Installation and Wiring

Covers the procedures for installing and wiring the CPU Unit and configuration units.

Troubleshooting

Describes error confirmation methods, corrections, and hardware-related errors for the NJ-series controller.

Inspection and Maintenance

Covers required inspections and maintenance, including battery and power supply unit service lives.

Safety Precautions

Definition of Precautionary Information

Explains the meaning of WARNING and CAUTION notations used throughout the manual.

Symbols

Defines the meaning of various symbols used to convey safety information and precautions.

Warnings

During Power Supply

Warns about hazards when power is supplied or immediately after it is turned off.

Fail-safe Measures

Emphasizes the need for external safety measures to prevent accidents due to abnormalities.

Cautions

Application

Advises against touching units when power is supplied or immediately after it is turned off.

Wiring

Online Editing

Precautions for Safe Use

Disassembly and Dropping

Warns against disassembling, repairing, or dropping units, which can lead to malfunction or fire.

Installation

Specifies grounding requirements and connection procedures for installation.

Wiring

Provides detailed instructions for correct wiring practices, including terminal block and connector securing.

Precautions for Correct Use

Storage and Installation

Specifies prohibited locations and environmental conditions for operating or storing the controller.

Mounting

Warns about I/O bus check errors if I/O connecting cable connectors are disconnected.

Versions

Checking Versions

Checking Unit Versions on ID Information Indications

Checking Unit Versions with the Sysmac Studio

Installation and Wiring

4-1 Processing at Power ON and Power OFF

4-2 Fail-safe Circuits

Provides essential information on implementing fail-safe measures in external circuits to ensure system safety.

4-3 Mounting Units

Provides precautions and instructions for mounting units, including installation in control panels and DIN track mounting.

4-4 Wiring

Details wiring precautions and procedures for power supply, EtherCAT, and I/O units.

4-5 Control Panel Installation

Troubleshooting

5-1 Operation after an Error

5-2 Troubleshooting

Provides basic error identification and troubleshooting flowcharts for the NJ-series controller.

5-2-1 Checking to See If the CPU Unit Is Operating

Offers a flowchart to determine if an error in the CPU Unit is fatal or non-fatal.

5-2-2 Troubleshooting Flowchart for Non-fatal Errors

Provides a flowchart to troubleshoot non-fatal errors using indicators and Sysmac Studio.

5-2-3 Error Table

Lists hardware errors and controller operation errors with their event codes, meanings, and assumed causes.

5-2-4 Error Descriptions

Provides detailed information for individual errors, including event name, source, attributes, cause, correction, and prevention.

5-2-5 Troubleshooting Errors That Are Not in the CPU Unit

Offers troubleshooting steps for abnormal conditions related to input and output units.

Inspection and Maintenance

6-1 Periodic Maintenance and Inspection

6-1-1 Periodic Inspection

6-1-2 Unit Replacement Precautions

6-2 Replacing the Battery

Describes the purpose of the battery and the procedure for replacing it.

6-2-1 Battery Replacement

Explains the battery service life and the steps involved in replacing the battery.

6-2-2 Operation without a Battery