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Part of the Omron CJ-Series PLCs series — see the full model table, lifecycle status and replacement parts.

Omron CJ2H-CPU66-EIP — front view of the CJ2H CPU showing the Omron model label, the green PWR LED, the green RUN LED, the red ERR LED, the EtherNet/IP link LEDs and the USB slave connector under a flap

Omron CJ2H-CPU66-EIP — CJ2H CPU, 150K Steps, EtherNet/IP

SKU: CJ2H-CPU66-EIP

USD 790.00

Omron CJ2H-CPU66-EIP CJ2H CPU, 150K steps program, built-in EtherNet/IP, 2560 I/O max, USB. In stock.

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Product Overview

The Omron CJ2H-CPU66-EIP is a CJ2H-series flagship PLC CPU with built-in EtherNet/IP, manufactured by Omron Corporation. Hengyixin Automation stocks this controller in Xiamen and ships within 3-5 business days to most Asian, European, and North American ports.

Program capacity is 150K steps and data memory is 352K words (32K words DM plus 32K words EM across 10 banks). LD instruction execution is 0.016 us. Local I/O tops out at 2560 points across 40 Units and 3 Expansion Racks. Communication ports are EtherNet/IP, Ethernet TCP/IP, RS-232C and USB.

The CPU pulls 0.82 A at 5 VDC from the CJ power supply. Body size is 79.8 x 90 x 74.5 mm at 280 g. Ambient operating is 0 to 55 degC, 10 to 90 percent RH non-condensing. Production is planned to end 2027-03-31 per the official page. For a smaller program, pick the CJ2H-CPU65-EIP at 100K steps. For the next size up, use the CJ2H-CPU67-EIP at 250K.

Key Features

  • CJ2H CPU with built-in EtherNet/IP, 150K steps program, 352K words data
  • 0.016 us LD instruction execution, 2560 I/O points, 40 Units / 3 racks
  • Built-in EtherNet/IP, Ethernet TCP/IP, RS-232C and USB ports
  • 0.82 A at 5 VDC, 79.8 x 90 x 74.5 mm, 280 g
  • SKU: CJ2H-CPU66-EIP
  • Series: Omron CJ2H-series CPU with built-in EtherNet/IP
  • I/O: 2560 I/O

Best-Fit Applications

  • Mid-size packaging line where 150K steps run the recipe and the EtherNet/IP port talks to 20 inverters and remote I/O
  • Plant-wide SCADA gateway where the CJ2H CPU aggregates data from CJ1 / CP1E machines over EtherNet/IP and forwards to the MES
  • Spare replacement on a CJ2H rack where the old CPU failed and the CJ2H-CPU66-EIP drops onto the same slot with the same program

Buying Checklist

  • Pick the CJ2H-CPU66-EIP for a CJ2H CPU at 150K steps with built-in EtherNet/IP on a mid-size automation cell.
  • Pick the CJ2H-CPU65-EIP instead when 100K steps is enough on the same EtherNet/IP body.
  • Pick the CJ2H-CPU67-EIP instead when the program grows to 250K steps on the same EtherNet/IP body.

Technical Specifications

Manufacturer Omron Corporation (Japan)
Series Omron CJ2H-series CPU with built-in EtherNet/IP
Model / SKU CJ2H-CPU66-EIP
Program Capacity 150K steps
Data Memory 352K words (DM 32K + EM 32K words x 10 banks)
LD Instruction Execution 0.016 us
Local I/O Points 2560 max, 40 Units, 3 Expansion Racks
Communication Ports EtherNet/IP, Ethernet TCP/IP, RS-232C, USB
Current Consumption 0.82 A at 5 VDC
Accessories Included CJ1W-BAT01 battery, CJ1W-TER01 end cover, PFP-M end plates
Operating Temperature 0 to 55 degC, 10 to 90% RH non-condensing
Dimensions (W x H x D) 79.8 × 90 × 74.5 mm; 280 g

Manufacturer documentation

Omron's own product page, where the manufacturer's current specification and lifecycle information are published. We are an independent distributor and cannot mirror those documents; the link goes to Omron's site.

FAQ for CJ2H-CPU66-EIP

Is the CJ2H-CPU66-EIP still in production?
Production is planned to end on 2027-03-31 per the official EU page. Stock is available at Omron and at Hengyixin Automation in Xiamen for ongoing maintenance.
What software programs the CJ2H-CPU66-EIP?
CX-Programmer under CX-One or CX-One Lite. Existing CJ2H-CPU6x projects load with no change. For Sysmac Studio integration, step up to an NJ-series controller.
Does the CJ2H-CPU66-EIP need a battery?
Yes. The unit ships with a CJ1W-BAT01 battery that holds DM, EM and the real-time clock across power-downs. Replace the battery when the BATT LED lights.

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