Omron CJ1W-DA021 Analog Output Unit

The Omron CJ1W-DA021 is a versatile 2-channel analog output unit engineered for the CJ-series modular PLC platform. Designed to convert digital signals from the PLC into analog signals for external control devices, this unit supports multiple output ranges including voltage and current, making it ideal for interfacing with drives, actuators, and analog instruments.

Externally powered at 24 VDC and built for robust signal output performance, the CJ1W-DA021 delivers high-quality analog control with 12-bit resolution in a compact footprint.

Technical Specifications

Model: CJ1W-DA021
Series: CJ1/CJ2 Modular PLC
Type: Analog Output Module
Number of Channels: 2
I/O System: CJ I/O Bus
Expansion Unit Type: Special I/O
Resolution: 12-bit (1/4096 steps)
Conversion Time: 4 s/unit (sequential)

Electrical Specifications

• Output Signal Ranges:
  • 1 to 5 V
  • 0 to 5 V
  • 0 to 10 V
  • –10 to +10 V
  • 4 to 20 mA
• Output Load Resistance:
  • Voltage: ≥2 kΩ
  • Current: ≤600 Ω
• External Power Supply: 24 VDC (140 mA)
• Isolation: Transformer isolation between output channels and logic circuitry
• Accuracy: ±1% full scale or better

Mechanical Specifications

• Mounting: DIN Rail
• Connection Type: Screw terminal block
• Number of I/O Connectors: 1
• Detachable Connector: No
• Unit Dimensions (H × W × D): 90 × 31 × 89 mm
• Weight: 150 g
• Protection Class: IP20 (when installed inside control panel)

Environmental Specifications

• Operating Temperature: 0 to 55°C
• Storage Temperature: –20 to 75°C
• Relative Humidity: 10–90% (non-condensing)
• Shock Resistance: 147 m/s² (3 times, 6 directions)
• Vibration Resistance: 10–57 Hz at 0.075 mm, 57–150 Hz at 9.8 m/s²
• Standards Compliance: EN 61131-2, IEC 61010

Compliance & Approvals

• CE Certified: Yes
• RoHS Compliant: Yes
• UL / cUL Recognized: Yes

Key Features & Benefits

✅ Multi-Signal Compatibility. Output voltage or current signals across a wide range of industrial applications.

✅ Precision Analog Control. 12-bit resolution ensures accurate signal generation for smooth analog device operation.

✅ Flexible Configuration. Easily integrates into CJ1 and CJ2 PLC systems via Omron CX-Programmer.

✅ Compact Design. 31 mm width saves space in control cabinets.

✅ Externally Powered. Isolated output with stable power requirements for dependable operation.

📦 Order the Omron CJ1W-DA021 Today from Drive Outlet Megastore

Enhance your control system with precise, reliable analog output using the CJ1W-DA021. Whether you’re driving analog actuators, valves, or process equipment, this module delivers proven Omron quality and flexibility.

Fast delivery. Competitive pricing. Expert support. Check availability or request a quote now.

Control the analog world — with Omron precision. — Drive Outlet Megastore