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CJ1W-ID212

Omron CJ1W-ID212 Digital Input Unit 16 Points DC24V

SKU: CJ1W-ID212

USD 69.00

Omron CJ1W-ID212 is a 16-point DC24V digital input unit for CJ series PLCs, providing reliable signal acquisition for industrial automation.

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Product Overview

CJ1W-ID212 belongs to Omron CJ1W I/O module family and is commonly used when installed CJ-series systems need additional digital input capacity. In machine and process panels, digital input modules collect field signals from sensors, limit switches, and interlock contacts. This model is selected in retrofit and expansion projects where maintaining existing CJ architecture is preferable to full controller replacement. Engineering teams should review signal-level compatibility, input commoning strategy, rack slot planning, and program address mapping before deployment. Commissioning should include channel-level diagnostics and documented I/O naming to accelerate maintenance and reduce downtime in production environments.

  • SKU: CJ1W-ID212
  • Series: CJ1W
  • Voltage: 4V
  • I/O: 16 I/O

Best-Fit Applications

  • Sensor input expansion in machine control cabinets
  • Interlock status signal capture in utility systems
  • Retrofit upgrades of installed CJ controller panels
  • Multi-zone digital monitoring in production equipment
  • OEM machine variants requiring extra input channels
  • Panel modernization while preserving controller family

Buying Checklist

  • Verify rack and CPU compatibility before procurement.
  • Validate field signal electrical levels and wiring standards.
  • Plan PLC address assignment and logic updates in advance.
  • Use clear channel labeling for faster troubleshooting.
  • Maintain spare modules for uptime-critical lines.

Technical Specifications

Model CJ1W-ID212
Series CJ1W
Type Digital Input Unit
Input Points 16 points
Input Voltage DC24V
Input Current 7mA typical
ON Voltage 14.4V minimum
OFF Voltage 5V maximum
Response Time 0-32ms (adjustable)
Common 16 points/common, 1 circuit
Connection Removable terminal block
Current Consumption 100mA at 5VDC
Mounting CJ series backplane
Operating Temperature 0 to +55°C

FAQ for CJ1W-ID212

What's the difference between ID211 and ID212?
ID211: 16 points, DC24V, 1 common. ID212: 16 points, DC24V, 1 common. Similar specifications. ID212 may have updated features. Check datasheet for specific differences.
Can I adjust input response time?
Yes, response time (0-32ms) is set in PLC configuration via CX-Programmer. Default: 8ms. Shorter time for high-speed inputs, longer time for noisy environments.
What sensors can I connect?
Any 24VDC sensors: proximity sensors, photoelectric sensors, limit switches with 24VDC output. Connect sensor + to external 24V+, sensor output to input terminal, input COM to 24V-.
How many ID212 units can I use?
Maximum 40 I/O units per CPU rack (excluding CPU and power supply). Limited by CPU's I/O capacity and power budget.

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