SKU: CJ1W-IC101

Omron CJ1W-IC101 I/O Control Unit for CJ Series Expansion

Omron CJ1W-IC101 is an I/O control unit for CJ series PLCs, enabling connection of expansion racks for increased I/O capacity.

USD 35.00 per unit, volume discounts available

  • In stock, ships in 24h
  • 100% genuine Omron
  • 1-year manufacturer warranty
  • Worldwide delivery

Key Features

  • CJ1W modular I O control unit for CJ-series systems
  • Supports scalable and structured I O expansion architectures
  • Suitable for machine and utility control cabinet segmentation
  • Helps maintain controller platform continuity in upgrades
  • Designed for modular PLC integration and maintenance workflows
  • Useful for long-lifecycle industrial automation assets
01 / Overview

CJ-Series I O Architecture Management for Modular PLC Systems

CJ1W-IC101 is part of Omron CJ1W modular unit lineup and is deployed in control panels where scalable I O architecture is required. In modular PLC projects, I O control units are used to coordinate extended digital and analog signal structures while preserving deterministic communication with the CPU rack. This model is commonly selected in machine lines and utility systems that need structured expansion and maintainable cabinet segmentation. During design, engineering teams should verify rack architecture, addressing strategy, scan-time impact, and module compatibility matrix to avoid commissioning delays. For brownfield upgrades, CJ1W-IC101 can be used to preserve existing CJ-series standards while extending signal capacity. It is typically chosen where long lifecycle support, modularity, and service-friendly panel organization are strategic requirements.

Typical Applications

  • Distributed I O expansion in CJ-series PLC cabinets
  • Signal architecture scaling in process utility panels
  • Machine retrofit projects preserving CJ controller standards
  • Large control panels requiring modular rack organization
  • I O segmentation for maintainable multi-zone systems
  • Capacity growth in long-running industrial production lines

Buying Checklist

  • Confirm CPU and rack compatibility against current cabinet architecture.
  • Validate addressing and scan-time impact for full expanded I O map.
  • Check module mix and slot planning before hardware procurement.
  • Document system topology for future maintenance and troubleshooting.
  • Maintain compatible spare policy for critical controller modules.
02 / Specifications

Technical Specifications

Technical specifications for Omron CJ1W-IC101 I/O Control Unit for CJ Series Expansion
ModelCJ1W-IC101
SeriesCJ1W
TypeI/O Control Unit
FunctionExpansion rack interface
Max Expansion Racks3 racks
Cable LengthUp to 50m
ConnectionExpansion cable
Current Consumption150mA at 5VDC
Compatible CPUsCJ1G, CJ1H, CJ2M, CJ2H
Operating Temperature0 to +55°C
MountingCJ series backplane
03 / FAQ

Frequently Asked Questions

What does I/O control unit do?

Enables connection of expansion racks (CJ1W-I/O expansion base) to increase I/O capacity beyond single rack limit. CPU connects to IC101, IC101 connects to expansion racks.

How many expansion racks can I add?

Maximum 3 expansion racks with IC101. Each rack holds up to 10 I/O units. Total system: CPU rack + 3 expansion racks = 40 I/O units maximum.

What's the maximum cable length?

Up to 50m between CPU rack and expansion rack. Allows mounting I/O close to field devices while CPU is in control room.

Do I need I/O interface unit in expansion rack?

Yes, each expansion rack needs CJ1W-II101 I/O Interface Unit. IC101 (control unit) in CPU rack, II101 (interface unit) in each expansion rack.

Need CJ1W-IC101 pricing or lead time?

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