Q68DAI 0-20MA

Overview of Mitsubishi Q68DAI-0-20mA

The Mitsubishi Q68DAI is an 8-channel digital-to-analog (D/A) converter module designed for the MELSEC-Q Series PLCs. It provides precise analog current outputs in the 0 to 20 mA range, enabling fine control of external devices such as valves, actuators, and other analog-controlled equipment. The module supports high-resolution output with 16-bit data conversion, ensuring accurate signal representation.

Key Features of Mitsubishi Q68DAI-0-20mA

• Number of Analog Output Points: 8 channels
• Output Type: Current output 0 to 20 mA DC
• Output Resolution: 16-bit signed binary; high-resolution mode available
• Output Range: 0–20 mA (external load resistance 0 to 600 Ω at 22.85 to 28.8 V power supply)
• Digital Input Resolution: Normal mode: 0 to 4000; High resolution mode: up to 12000
• Accuracy: ±0.1% at 25 ± 5 °C ambient temperature
• D/A Conversion Speed: Approx. 80 µs per channel
• Protection: Output short-circuit protected
• Isolation: Optical isolation between input/output signals and power supply
• Power Supply for Module: 24 V DC external power required
• Mounting: DIN rail mountable, compact design
• Dimensions: Height approx. 90 mm, Width approx. 27.4 mm, Depth approx. 75 mm
• Operating Temperature: 0 to 55 °C

Technical Specifications

Applications

The Q68DAI module is widely used in process control automation for devices requiring precise current analog signals, such as control valves, variable speed drives, and proportional actuators. Its high accuracy and multiple channels support complex analog modulation needs in industrial PLC systems.