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.












