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Omron CJ1W-OC211 CJ Series Relay Output Unit 16-Points 250VAC

SKU: CJ1W-OC211

16-point SPST relay output module for AC/DC loads CJ1 PLC systems

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Product Overview

The Omron CJ1W-OC211 is a 16-point relay output module designed for CJ1 series programmable logic controllers, providing versatile output switching for both AC and DC loads in industrial automation applications. This module features 16 independent SPST (Single Pole Single Throw) normally-open relay contacts, each capable of switching AC loads up to 250VAC or DC loads up to 30VDC. The relay output configuration provides complete isolation between the PLC logic and field loads, making this module ideal for switching loads that require galvanic separation or have different voltage levels from the PLC supply. Each relay contact is rated for 2A, suitable for driving small to medium loads including contactors, solenoids, indicators, and pilot lights. The CJ1W-OC211 includes individual LED status indicators for each output point, enabling quick visual verification of relay states during commissioning, troubleshooting, and operation. The module connects to field wiring through two 20-pin connectors, providing organized and secure connections for all 16 output points. With mechanical relay switching, this module provides bounce-free switching for sensitive loads. The CJ1W-OC211 is hot-swappable, allowing module replacement without powering down the PLC system. Applications include motor starter control, solenoid valve switching, indicator and signal switching, heating element control, and general purpose AC/DC switching in industrial control systems.

  • SKU: CJ1W-OC211
  • Series: CJ1
  • Voltage: 250VAC
  • I/O: 16 I/O

Best-Fit Applications

  • Motor starter control
  • Solenoid valve switching
  • Indicator light driving
  • Heating element control
  • Contactor actuation
  • Signal switching
  • Process control outputs
  • General industrial switching

Buying Checklist

  • AC and DC load switching
  • Complete galvanic isolation
  • Individual status LEDs for diagnostics
  • High point count in single module
  • Reliable relay switching
  • Hot-swappable for maintenance
  • Long mechanical life
  • Proven Omron relay technology

Technical Specifications

Model CJ1W-OC211
Series CJ1
Output Type SPST Relay NO
Number of Outputs 16 points
Contact Rating 2A at 250VAC / 30VDC
Max Switching Voltage 250VAC, 125VDC
Max Switching Current 2A
Mechanical Life 20 million operations
Electrical Life 100,000 operations at rated load
Connection 20-pin connector x2
Current Consumption 280mA at 5VDC
Mounting CJ1 backplane
Weight Approx. 220g

FAQ for CJ1W-OC211

What connectors are required for CJ1W-OC211?
The module uses two 20-pin connectors. Order C200H connector sets for field wiring connections.
Can CJ1W-OC211 switch inductive loads?
Yes, the relays can switch inductive loads. For highly inductive loads, consider adding RC snubbers to extend contact life.
What is the difference between OC201 and OC211?
CJ1W-OC201 has 8 SPDT relays at 2A each. CJ1W-OC211 has 16 SPST NO relays at 2A each.

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