Omron NJ501-1420 PLC CPU Module

USD 7,703.20

20 MB CPU with SQL database connectivity, built-in EtherCAT/EtherNet/IP, 32 axes, DIN-rail mounting.

SKU Omron-NJ501-1420 Category
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Omron NJ501-1420 PLC CPU Module

Model Identifier NJ501-1420
Official Part Number NJ501-1420
GTIN Standard NA

Technical Overview

Sysmac NJ5 CPU module with database connectivity, 20 MB program capacity, built-in EtherCAT and EtherNet/IP, and support for 32 motion axes. Omron lists the unit for DIN-rail mounting with USB/Ethernet programming connection and SQL database functionality. The NJ-series catalog identifies it as an NJ501 CPU Unit with 2,560 points / 40 units maximum I/O capacity across 3 expansion racks and 1.90 A current consumption on 5 VDC. Distributor listings confirm the exact manufacturer part number and product class as a PLC/PAC controller.

Key Features

  • SQL database connectivity
  • 20 MB program capacity
  • Built-in EtherCAT network
  • Built-in EtherNet/IP network
  • 32 motion axes support
  • 0.5 ms minimum cycle time
  • USB/Ethernet programming connection
  • DIN-rail mounting
  • Ladder, Structured Text, and Function Block programming
  • 2,560 points local I/O capacity; 66,560 with NX I/O

Built-in EtherCAT and EtherNet/IP with SQL database connectivity for high-axis-count machine control.

Technical Specification Matrix

ParameterValue
Special functionSQL Database
Program capacity20 MB
I/O capacity2,560 points local (66,560 with NX I/O)
Maximum number of units10 per CPU or expansion rack; 40 total per CPU
Flash memory portSD
Total axes / Point-to-point axes / Coordinated axes32 / 0 / 32
Minimum cycle time0.5 ms
Motion control networkEtherCAT
Programming languageLadder / Structured Text / Function Block
Communication portsEtherCAT and EtherNet/IP built in
Programming connectionUSB / Ethernet
MountingDIN Rail
I/O capacity / maximum number of configuration units2,560 points / 40 Units (3 Expansion Racks)
Memory capacity for variables2 MB retained during power interruption; 4 MB not retained during power interruption
Number of motion axes32
Current consumption (5 VDC)1.90 A

Industrial Applications

1. High-axis packaging machine control

Controls synchronized servo axes on fast packaging equipment where deterministic motion and EtherCAT coordination are required.

Problem Solved

Eliminates timing drift and simplifies multi-axis synchronization in high-speed packaging lines.

EtherCAT32 axes0.5 ms cycle timecoordinated motion

2. Data-logging machine cell with traceability

Integrates machine control with SQL database connectivity for production traceability, recipe management, and event logging.

Problem Solved

Combines PLC logic and database interaction in one controller, reducing external PC dependence.

SQL databaseEtherNet/IPUSB/Ethernet programmingmachine traceability

3. Modular OEM automation platform

Fits modular machine architectures using local I/O plus NX expansion for scalable control across multiple racks.

Problem Solved

Provides scalable I/O and controller capacity for OEMs building configurable platforms.

2,560 points local I/O66,560 with NX I/O3 expansion racksDIN rail
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