SKU: CJ1W-ID261

Omron CJ1W-ID261 Digital Input Unit 64 Points DC24V

Omron CJ1W-ID261 is a 64-point DC24V digital input unit for CJ series PLCs, providing very high-density input for large automation systems.

USD 57.00 per unit, volume discounts available

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

Key Features

  • CJ1W digital input expansion module for CJ platforms
  • Supports scalable discrete signal acquisition
  • Suitable for machine, process, and utility panel growth
  • Preserves modular PLC architecture during upgrades
  • Enables organized signal grouping and diagnostics
  • Useful for long-lifecycle automation assets
01 / Overview

Modular Input Channel Scaling in CJ-Series Control Architectures

CJ1W-ID261 belongs to Omron CJ1W module family and is used for digital input expansion in CJ-series PLC installations. This model is selected when control systems require additional discrete signal channels for sensors, limit switches, and interlock contacts. In practical projects, modular expansion allows engineers to preserve CPU and software architecture while increasing field connectivity. During implementation, teams should verify electrical signal standards, rack slot planning, address assignments, and diagnostic strategy to ensure smooth commissioning. For maintenance, clear terminal labeling and accurate I/O documentation are crucial to avoid downtime. CJ1W-ID261 is generally chosen where robust, maintainable input scaling is needed in long-running production systems and retrofit modernization programs.

Typical Applications

  • Expanding machine sensor input capacity in CJ racks
  • Collecting status contacts in utility control cabinets
  • Retrofit extension of installed CJ controller systems
  • Adding field inputs for OEM machine option variants
  • Multi-zone input segregation for serviceability
  • Discrete monitoring expansion in production automation lines

Buying Checklist

  • Check CPU/rack compatibility and slot availability first.
  • Validate field input voltage and wiring standards.
  • Assess PLC program impact for new address ranges.
  • Document input channel naming for troubleshooting speed.
  • Maintain spare stock for critical production systems.
02 / Specifications

Technical Specifications

Technical specifications for Omron CJ1W-ID261 Digital Input Unit 64 Points DC24V
ModelCJ1W-ID261
SeriesCJ1W
TypeDigital Input Unit
Input Points64 points
Input VoltageDC24V
Input Current7mA typical
Response Time0-32ms (adjustable)
Common32 points/common, 2 circuits
ConnectionRemovable terminal block
Current Consumption200mA at 5VDC
MountingCJ series backplane
Operating Temperature0 to +55°C
03 / FAQ

Frequently Asked Questions

What's the advantage of 64-point unit?

Maximum density: 64 points in single unit. Most cost-effective per point. Ideal for large I/O counts, reduces number of units and wiring complexity.

How many commons does this unit have?

2 commons (32 points each). Large groups allow simplified wiring for common voltage sources.

What's the power consumption?

200mA at 5VDC (internal). External: 7mA per input at 24VDC. For 64 inputs ON: 448mA external current. Ensure adequate 24VDC supply capacity.

Can I use this for high-speed applications?

No, ID261 is standard input (max 1kHz with 0ms filter). For high-speed counting, use dedicated high-speed counter unit.

Need CJ1W-ID261 pricing or lead time?

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