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CJ1W-IC101

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

SKU: CJ1W-IC101

USD 35.00

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

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Product Overview

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.

  • SKU: CJ1W-IC101
  • Series: CJ1W

Best-Fit 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.

Technical Specifications

Model CJ1W-IC101
Series CJ1W
Type I/O Control Unit
Function Expansion rack interface
Max Expansion Racks 3 racks
Cable Length Up to 50m
Connection Expansion cable
Current Consumption 150mA at 5VDC
Compatible CPUs CJ1G, CJ1H, CJ2M, CJ2H
Operating Temperature 0 to +55°C
Mounting CJ series backplane

FAQ for CJ1W-IC101

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.

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