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CJ1W-DA08C

Omron CJ1W-DA08C Analog Output Unit 8-Channel 4-20mA

SKU: CJ1W-DA08C

USD 178.00

Omron CJ1W-DA08C is an 8-channel analog output unit for CJ series PLCs, providing 4-20mA current output for process control.

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Product Overview

The Omron CJ1W-DA08C is an 8-channel analog output module designed for CJ1 series programmable logic controllers, providing precise analog current signals for process control and automation applications. This module outputs 4-20mA current signals, the industry standard for process control, suitable for controlling variable frequency drives, analog actuators, indicators, and other devices requiring current loop inputs. Each of the 8 channels provides independent output with 12-bit resolution, ensuring smooth and accurate control signals for precise process regulation. The CJ1W-DA08C connects directly to the CJ1 backplane, drawing operating power from the PLC power supply while providing isolated analog outputs. The module includes comprehensive protection features including short circuit protection on each output channel, safeguarding both the module and connected field devices. LED status indicators provide at-a-glance monitoring of output activity. Easy configuration is achieved through CX-Programmer, allowing straightforward setup of output ranges and scaling. The CJ1W-DA08C supports 4-20mA current output, making it compatible with a wide range of industrial control devices including transmitters, controllers, and indicators. Applications include process loop control, VFD speed control, valve position control, current-to-pressure transducers, and any application requiring multiple current output signals from the PLC.

  • SKU: CJ1W-DA08C
  • Series: CJ1W
  • I/O: 8 I/O

Best-Fit Applications

  • Process loop control
  • VFD speed control
  • Valve position control
  • I/P transducer control
  • Temperature controller output
  • Speed reference signals
  • Current-to-pressure control
  • Industrial process automation

Buying Checklist

  • 8 channels in single module
  • Industry-standard 4-20mA output
  • High resolution output
  • Individual channel isolation
  • Built-in short circuit protection
  • Easy PLC integration
  • Proven Omron quality
  • Compact space-saving design

Technical Specifications

Model CJ1W-DA08C
Series CJ1W
Type Analog Output Unit
Output Channels 8 channels
Output Type Current: 0-20mA, 4-20mA
Resolution 1/4000
Accuracy ±0.3% full scale
Conversion Time 1ms per channel
Load Resistance 600Ω max
Isolation Channel-to-channel isolated
Connection Removable terminal block
Current Consumption 200mA at 5VDC
Operating Temperature 0 to +55°C

FAQ for CJ1W-DA08C

What's the difference between DA08C and DA08V?
DA08C: current output (0-20mA, 4-20mA). DA08V: voltage output (0-10V, ±10V). Choose based on controlled device input type. Current loop preferred for long distances.
What's the maximum load resistance?
600Ω maximum at 24VDC supply. For higher resistance loads, use external 24VDC supply. Calculate: Vsupply = I × (Rload + Rwire). Ensure adequate voltage headroom.
Can I use this for VFD speed control?
Yes, common application. Connect 4-20mA output to VFD speed reference input. 4mA = 0Hz (or minimum speed), 20mA = maximum frequency. Configure VFD accordingly.
What happens if output wire breaks?
Current drops to 0mA. Downstream device detects fault (below 4mA). Some transmitters have open-wire detection. For critical applications, add wire break detection circuit.

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