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CJ1W-ID261

Omron CJ1W-ID261 Digital Input Unit 64 Points DC24V

SKU: CJ1W-ID261

USD 57.00

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

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Product Overview

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.

  • SKU: CJ1W-ID261
  • Series: CJ1W
  • I/O: 64 I/O

Best-Fit 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.

Technical Specifications

Model CJ1W-ID261
Series CJ1W
Type Digital Input Unit
Input Points 64 points
Input Voltage DC24V
Input Current 7mA typical
Response Time 0-32ms (adjustable)
Common 32 points/common, 2 circuits
Connection Removable terminal block
Current Consumption 200mA at 5VDC
Mounting CJ series backplane
Operating Temperature 0 to +55°C

FAQ for CJ1W-ID261

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.

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