Omron NJ501-4320 PLC Controller

USD 12,833.10

Panel-mounted 24 VDC controller with EtherCAT, EtherNet/IP, 16 axes, 4 robots, SQL/database support, and 90 mm cube footprint.

SKU Omron-NJ501-4320 Category
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Omron NJ501-4320 PLC Controller

Model Identifier NJ501-4320
Official Part Number NJ501-4320
GTIN Standard NA

Technical Overview

Sysmac NJ5 CPU unit with robot kinematics, database connection, motion control, robotics, and sequence control. The NJ501-4320 supports up to 16 synchronous axes, 16 total axes including virtual axes, and up to 4 robots, with a 0.5 ms primary task cycle time, 20 MB program memory, 6 MB variables memory, EtherCAT Master, EtherNet/IP, USB, and multiple communication options. Official Omron specifications list a panel-mounted controller with 90 mm x 90 mm x 90 mm envelope and 550 g unpacked weight, powered from 24 VDC and rated IP20.

Key Features

  • Database connection, motion control, robotics, and sequence control functions
  • Up to 16 synchronous axes and 16 total axes including virtual axes
  • Supports up to 4 robots
  • 0.5 ms primary task cycle time
  • 20 MB program memory and 6 MB variables memory
  • EtherCAT Master, EtherNet/IP, and USB communication ports
  • Optional communication support for CAN, DeviceNet, PROFIBUS DP, PROFINET, MODBUS, and serial interfaces
  • Panel-mounted CPU unit
  • IP20 ingress protection
  • 24 VDC supply

Robot kinematics controller with database connection and 16-axis motion control in one NJ5 CPU platform.

Technical Specification Matrix

ParameterValue
Controller functionalityDB connection, Motion control, Robotics, Sequence control
Max. number of synchronous axes16
Max. number of axes (incl. virtual)16
Max. number of robots4
Primary task cycle time0.5 ms
Program memory20 MB
Variables memory6 MB
Communication port(s)EtherCAT Master, EtherNet/IP, USB
Communication option(s)CAN, CompoNet Master, DeviceNet Master, DeviceNet Slave, EtherCAT Slave, MODBUS Master, MODBUS Slave, PROFIBUS DP Master, PROFIBUS DP Slave, PROFINET Master, Serial RS-232C, Serial RS-422, Serial RS-485
Max. number of remote I/O nodes192
I/O systemCJ I/O Bus
Max. number of expansion units40
Product Weight (unpacked)550 g
Dimensions (height×depth×width)90 mm × 90 mm × 90 mm
EnclosureMounted in a panel
Grounding MethodGround to less than 100 Ω
Current Consumption5 VDC, 1.90 A (including SD Memory Card and End Cover)
Voltage - Supply24 VDC
Ingress ProtectionIP20
Operating Temperature0 to 55°C

Industrial Applications

1. Multi-axis robotic cell controller

Controls up to 16 synchronous axes and 4 robots in a compact panel-mounted CPU, making it suitable for coordinated pick-and-place, assembly, and transfer cells.

Problem Solved

Eliminates the need for separate robot and motion controllers while keeping synchronization deterministic at 0.5 ms.

16 axes4 robotsmotion controlrobot kinematics0.5 ms cycle timeEtherCAT Master

2. SQL-connected manufacturing line controller

Integrates sequence control with database connection functions for traceability, recipe handling, and production data exchange in automated lines.

Problem Solved

Provides direct controller-level data connectivity for traceability and MES integration without external middleware.

DB connectionSQL clientsequence controlEtherNet/IPprogram memoryvariables memory

3. Distributed automation machine with large I/O network

Supports up to 192 remote I/O nodes and 40 expansion units, fitting modular machines with extensive sensing, actuation, and station-level expansion.

Problem Solved

Scales I/O and machine zones without changing the core controller architecture.

192 remote I/O nodes40 expansion unitsCJ I/O BusEtherCATEtherNet/IPpanel mount
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