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Industrial Automation

Industrial Automation

CPU Bus Units

CPU Bus Units handle special I/O and communications needs to achieve advanced position control, motion control, and network communications.

CPU Bus Units List

There are 13 products of CPU Bus Units.

CJ1W-ECT21 CJ-series EtherCAT® Slave Unit CJ1W-ECT21

Hi-speed I/O link based on EtherCAT

CJ1W-NC[]81 / []82 CJ-series Position Control Units with EtherCAT interface CJ1W-NC[]81 / []82

Preeminent control performance and easy operation feature of EtherCAT improve the production efficiency.

CJ1W-EIP21 / EIP21S CJ-series EtherNet/IP Unit CJ1W-EIP21 / EIP21S

EtherNet/IP unit with tag data link capacity of 180,000 words or more

CJ1W-NC[]71 CJ-series Position Control Unit with MECHATROLINK-II interface CJ1W-NC[]71

Decrease TCO with Simple Operation, Reduced Wiring, Batch Settings, and Batch Management

CJ1W-SCU CJ-series Serial Communications Units CJ1W-SCU

The Serial Communications Units That Enable High-speed Connections with External Devices. This unit is available for CJ/NJ controller.

CJ1W-ETN21 CJ-series Ethernet Unit CJ1W-ETN21

Organically Connect the Production Site and Management

CJ1W-CLK CJ-series Controller Link Units CJ1W-CLK

New Controller Link Units, Now with 4,000 Send Words

CJ1W-FLN22 CJ-series FL-net Unit CJ1W-FLN22

Connect to Multivendor Controller Networks

CJ1W-DRM21 CJ-series DeviceNet Unit CJ1W-DRM21

Smallest in the Industry! A DeviceNet Unit for the CJ Series that Boasts Industry-leading Performance and Functions

CJ1W-PNT21 PROFINET IO controller CJ1W-PNT21

This module is designed for use with any CPU unit belonging to Omron’s highly successful CJ1 series of programmable logic controllers.


PROFIBUS-DP master class one with support of DP-V1 data types.

CJ1W-PRT21 PROFIBUS-DP slave unit CJ1W-PRT21

PROFIBUS-DP I/O link unit