Omron NJ501-4300 PLC CPU Module

USD 8,878.80

Robotics CPU unit with 2,560 I/O points, 16 axes, 8 robots, 20 MB program memory, and 550 g mass.

SKU Omron-NJ501-4300 Category
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Omron NJ501-4300 PLC CPU Module

Model Identifier NJ501-4300
Official Part Number NJ501-4300
GTIN Standard NA

Technical Overview

NJ501-4300 is an NJ-series robotics CPU unit for Omron Sysmac machine automation. Manufacturer and distributor listings identify it as a compact controller with 2,560 I/O points, support for up to 40 configured units across 3 expansion racks, 20 MB program memory, 2 MB retained memory, 16 motion axes, and support for up to 8 controlled robots. Omron documentation lists a 1.90 A current consumption and 550 g mass for the unit, and associates the model with robot control plus general motion control over EtherCAT/EtherNet/IP-based machine systems.

Key Features

  • 2,560 I/O points
  • Supports up to 40 units across 3 expansion racks
  • 20 MB program memory
  • 2 MB retained memory
  • 16 motion axes
  • Supports up to 8 controlled robots
  • 1.90 A current consumption
  • 550 g unit mass
  • Built for NJ-series machine automation architecture
  • EtherCAT/EtherNet/IP-oriented industrial control platform

Integrated robotics CPU with 16-axis motion and multi-robot control in a compact NJ-series controller.

Technical Specification Matrix

ParameterValue
I/O points2,560 points
Maximum number of configuration units40 units (3 expansion racks)
Program memory20 MB
Retained memory2 MB retained during power interruptions
Motion axes16
Controlled robotsUp to 8
Current consumption1.90 A
Mass550 g

Industrial Applications

1. Multi-axis robot cell controller

Coordinates up to 16 motion axes and multiple robots from one controller in a compact machine-control cabinet.

Problem Solved

Eliminates the need for separate robot and motion controllers in synchronized robot workcells.

16 axes8 robotsrobot controlmotion controlNJ-series

2. High-density packaging line automation

Manages large I/O counts and expansion capability for packaging machines with many sensors, actuators, and coordinated motions.

Problem Solved

Reduces controller sprawl when a line needs dense I/O and distributed expansion racks.

2,560 I/O points40 units3 expansion racksmachine automation

3. Integrated handling and transfer system control

Controls coordinated conveyors, pick-and-place axes, and robot transfers in a single deterministic automation platform.

Problem Solved

Provides unified control for synchronized transfer motion without a separate PLC and robot supervisor.

motion controlrobotics CPUEtherCATdeterministic controlSysmac
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