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CJ1W-OD231

Omron CJ1W-OD231 CJ Series Transistor Output Unit 8-Points 2A 12-24VDC

SKU: CJ1W-OD231

USD 50.00

Omron CJ1W-OD231 is an 8-point transistor output unit for CJ series PLCs, providing 2A per point for high-current DC switching.

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Product Overview

The Omron CJ1W-OD231 is an 8-point high-current transistor output module for CJ1 series PLCs, designed for applications requiring direct drive of higher-current DC loads without interposing relays. This module features NPN (sinking) transistor outputs rated at 2A per point, providing substantial current capacity for driving solenoids, contactors, motor starters, and other DC loads that would otherwise require relay intermediation. The 2A per point rating represents a significant increase over standard 0.5A output modules, reducing system complexity and cost by enabling direct connection of higher-power devices. The CJ1W-OD231 operates on 12-24VDC load voltage, compatible with common industrial control voltages. Each output point includes individual LED status indicators, enabling immediate visual verification of output states during setup, operation, and troubleshooting. Built-in protection features include short circuit protection and overload protection, safeguarding the module and connected equipment from damage due to wiring faults or excessive loads. The fast response time of 0.5ms or less ensures precise timing control in high-speed applications. The module connects through a standard 20-pin connector, providing organized field wiring connections. Applications include direct drive of hydraulic and pneumatic valves, high-power indicator systems, motor starter control, and any application requiring robust DC output capability.

  • SKU: CJ1W-OD231
  • Series: CJ1W
  • Voltage: 24V
  • I/O: 8 I/O

Best-Fit Applications

  • Hydraulic valve direct control
  • Pneumatic solenoid valves
  • High-power indicator driving
  • Motor starter direct control
  • Heavy-duty actuator control
  • Industrial process valves
  • Large indicator arrays
  • Power switching applications

Buying Checklist

  • 2A rating eliminates external relays
  • Direct drive reduces system cost
  • Built-in protection ensures reliability
  • Individual status LEDs for diagnostics
  • Fast response for precise control
  • Compact 8-point design
  • Proven Omron transistor technology
  • Easy installation and wiring

Technical Specifications

Model CJ1W-OD231
Series CJ1W
Type Transistor Output Unit
Output Points 8 points
Output Type NPN (sinking)
Load Voltage DC12-24V
Output Current 2A per point, 8A per unit
Leakage Current 0.1mA max
Response Time 0.5ms ON, 1ms OFF
Common 8 points/common, 1 circuit
Protection Short-circuit, overload
Connection Removable terminal block
Current Consumption 140mA at 5VDC
Mounting CJ series backplane
Operating Temperature 0 to +55°C

FAQ for CJ1W-OD231

What loads can this output unit switch?
2A per point: solenoid valves, contactors, relays, indicator lamps. For higher current loads, use output to control external relay/contactor.
What's the maximum total current?
8A per unit maximum. If all 8 outputs are ON, each limited to 1A average. Plan load distribution to stay within unit rating.
What happens during short circuit?
Internal protection shuts off output. Fault indicated in PLC. Output resets when short removed and PLC cycles. Repeated shorts may damage unit.
Do I need external fuse?
Unit has internal short-circuit protection, but external fusing recommended for load protection. Use 2-3A fast-blow fuse per output or per common group.

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