2-Channel Analog Output Module CP1W-DA021 for Precise Voltage/Current Control

Product Overview

The CP1W-DA021 is a high-performance 2-channel analog output unit from Omron's CP1W series, designed for seamless integration with programmable logic controllers (PLCs). This precision module converts digital signals from the PLC into highly accurate analog voltage or current outputs, enabling precise control of industrial automation devices such as variable frequency drives, servo systems, actuators, and process control instrumentation. Engineered for reliability in demanding industrial environments, this unit ensures stable signal conversion with minimal deviation.

Key Features and Benefits

• Dual-Channel Flexibility: Independent configuration of 2 output channels for voltage (0-10V, ±10V) or current (0-20mA, 4-20mA) signals.
• Industry-Leading Precision: Exceptional ±0.3% accuracy for voltage outputs and ±0.5% for current outputs ensures process reliability.
• High-Speed Conversion: 1ms response time per channel enables real-time control of critical processes.
• Superior Resolution: 1/6000 resolution for voltage outputs and 1/12000 for current outputs provides fine-grained control capability.
• Compact Industrial Design: Space-saving 35×90×65mm form factor with DIN rail mounting for easy panel integration.
• Robust Construction: Designed for continuous operation in industrial environments (0-55°C operating range).
• Power Efficient: Maximum 2.4W power consumption minimizes impact on system power budget.
• Warranty Protection: Backed by Omron's standard 1-year manufacturer warranty for peace of mind.

Industrial Applications

The CP1W-DA021 analog output module delivers critical performance for:

• Precision Process Control: Regulating flow rates, pressure, and temperature in chemical processing and pharmaceutical applications.
• Motion Control Systems: Providing command signals to servo drives and VFDs in packaging, CNC, and robotics applications.
• Test & Measurement: Generating precise reference signals for calibration of industrial instrumentation.
• HVAC Automation: Controlling damper actuators and variable speed drives in building management systems.
• Manufacturing Automation: Enabling analog control in PLC-based assembly lines and material handling systems.

Detailed Technical Specifications

Parameter	Specification
Model Number	CP1W-DA021 (Omron genuine part)
Output Channels	2 independent channels (configurable per channel)
Output Signal Types	Voltage or Current (selectable per channel)
Voltage Output Ranges	0 to 10 V DC (unipolar), -10 to +10 V DC (bipolar)
Current Output Ranges	0 to 20 mA (standard), 4 to 20 mA (industry standard loop)
Voltage Output Resolution	1/6000 (16-bit equivalent)
Current Output Resolution	1/12000 (effectively 14-bit)
Voltage Output Accuracy	±0.3% of full scale (25±5°C)
Current Output Accuracy	±0.5% of full scale (25±5°C)
Conversion Speed	1ms per channel (all channels refresh simultaneously)
Channel Isolation	Non-isolated between channels (common ground)
Load Impedance (Voltage)	1 kΩ minimum
Load Impedance (Current)	600 Ω maximum (at 20mA)
Power Supply	PLC bus powered (no external supply required)
Power Consumption	2.4W maximum (from PLC power supply)
Operating Temperature	0 to 55°C (32 to 131°F) with 10-90% RH (non-condensing)
Storage Temperature	-25 to 75°C (-13 to 167°F)
Vibration Resistance	10-57Hz, 0.075mm amplitude; 57-150Hz, 9.8m/s² acceleration
Shock Resistance	147m/s² (3 times each in X, Y, Z directions)
Dimensions (W×H×D)	35 × 90 × 65 mm (1.38 × 3.54 × 2.56 inches)
Weight	Approximately 200g (0.44 lbs)
Compatible PLCs	CP1E/CP1L/CP1H series PLCs (requires appropriate CPU unit)
Warranty Period	1 year manufacturer warranty from date of purchase
Certifications	CE, UL, cUL standards compliance (specific standards apply)

Integration and Compatibility

The CP1W-DA021 module connects directly to compatible Omron CP1 series PLCs via the expansion I/O bus, requiring no additional interface hardware. The unit supports standard industrial wiring practices with removable terminal blocks for easy installation and maintenance. Configuration is performed through the PLC programming software (CX-Programmer or equivalent), allowing flexible scaling of digital values to analog outputs.