Omron CJ2M-CPU34 PLC CPU Unit

USD 2,338.18

Modular PLC CPU with built-in EtherNet/IP, USB programming, 30K-step logic capacity, and CJ-series expansion support.

SKU Omron-CJ2M-CPU34 Category
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Omron CJ2M-CPU34 PLC CPU Unit

Model Identifier CJ2M-CPU34
Official Part Number CJ2M-CPU34
GTIN Standard NA

Technical Overview

Modular PLC CPU with built-in EtherNet/IP, USB programming, 30K-step logic capacity, and CJ-series expansion support.

Key Features

  • Built-in EtherNet/IP port
  • USB 2.0-compliant peripheral port
  • Supports CJ-series expansion racks and units
  • Supports up to two Pulse I/O Modules
  • Compatible with serial option boards
  • Compact DIN-rail-style modular PLC CPU
  • Designed for machine control and networked automation

Built-in EtherNet/IP plus modular CJ-series expansion in a compact CPU form factor.

Technical Specification Matrix

ParameterValue
Programming language supportLadder Logic (LD), Sequential Function Charts (SFC), and Structured Text (ST)
Peripheral portUSB 2.0-compliant B-type connector
Peripheral port baud rate12 Mbps max.
Peripheral port transmission distance5 m max.
EtherNet/IP portBuilt-in
Ethernet speed100 Mbps (100Base-TX)
Ethernet transmission mediaShielded twisted-pair (STP) cable, Category 5 or 5e
Ethernet transmission distance100 m max. between switch and node
System power consumption addition with serial option boardAdd 0.005 A, 0.030 A, or 0.075 A depending on option board used
Total I/O capacity2,560 points max.
Maximum expansion racks3 max.
Maximum connectable CJ/NX units per CPU rack or expansion rack10 units
Program capacity30K steps
DM capacity50K words
Basic instruction speed60 ns
Model classCPU14/34
Shock resistanceConforms to IEC60068-2-27; 147 m/s2, 3 times in X, Y, and Z directions
Battery life5 years at 25°C
Battery modelCJ1W-BAT01
Applicable standardsConforms to cULus, NK, LR, and EC Directives
Dimensions (W x H x D)90 mm x 90 mm x 84.5 mm
WeightApprox. 220 g
Physical Weight (kg)0.19
Dimensions L x W x H (cm)9 x 8.4 x 6.2

Industrial Applications

1. Compact packaging machine control

The 30K-step CPU with EtherNet/IP and CJ-series expansion is well suited to coordinated packaging lines requiring deterministic sequencing, remote I/O, and HMI integration.

Problem Solved

Provides a compact controller for synchronized machine sequences with networked diagnostics and modular expansion.

EtherNet/IPCJ-series expansion30K stepsmachine sequencingpackaging automation

2. Conveyor and transfer line coordination

The modular CPU can coordinate multiple distributed I/O points across a system with up to 2,560 points and expansion racks, making it suitable for conveyor routing and transfer equipment.

Problem Solved

Handles multi-station I/O orchestration without requiring a large monolithic PLC.

2,560 I/O pointsexpansion racksdistributed I/Omaterial handlingPLC CPU

3. Servo-enabled indexing and positioning systems

Compatibility with pulse I/O modules and high-speed control characteristics makes it appropriate for indexing tables and small motion machines that need pulse-based synchronization.

Problem Solved

Supports motion-oriented control tasks in compact machines that need pulse output and fast ladder execution.

Pulse I/O Modulehigh-speed controlindexingpositioningservo synchronization
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