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Yokogawa AAB841-S00

Product Introduction: A combined analog I/O module for Yokogawa DCS systems, providing 8 channels of 1–5 V DC input and 8 channels of 4–20 mA DC output in a single compact unit. It features non-isolated channels and is designed for cost-effective integration of low-complexity process monitoring and control loops.

Technical Specifications:

  • Input Channels: 8 × 1–5 V DC (non-isolated)
  • Input Accuracy: ±4 mV (at 25°C)

Detailed content

  • Input Impedance: ≥ 1 MΩ
  • Output Channels: 8 × 4–20 mA DC (non-isolated)
  • Output Accuracy: ±16 μA (at 25°C)
  • Output Load Resistance: 0–400 Ω (at 20 mA)
  • Data Update Cycle: 10 ms (all channels)
  • Power Supply: 24 V DC (system-powered)
  • Operating Temperature: 0°C to 60°C (standard)
  • Terminal Type: Screw terminals
  • Certifications: CE, CSA

    Functional Features:

  • Combined I/O design reduces module count and cabinet space requirements
  • High-speed data update for real-time process monitoring and control
  • Low power consumption for energy-efficient operation
  • Easy wiring with standard screw terminals and compact form factor
  • Seamless integration with Yokogawa DCS platforms for centralized data management
  • Built-in signal filtering to minimize noise interference from industrial environments

    Application Scenarios: General manufacturing, food and beverage processing, HVAC systems, and water treatment plants where non-isolated analog I/O is sufficient for monitoring sensors and controlling low-power actuators.

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