Yokogawa AAB841-S50 Analog I/O Module
Product Introduction: A non-isolated 8-channel analog input/output module for Yokogawa DCS systems, converting 1–5 V input signals to 4–20 mA output signals for process control.
Technical Specifications:
- Input Channels: 8 non-isolated channels
- Input Signal: 1–5 V DC
Detailed content
- Output Channels: 8 non-isolated channels
- Output Signal: 4–20 mA DC
- Accuracy: ±4 mV (input), ±16 μA (output)
- Data Update Cycle: 10 ms
- Step Response Time: 100 ms
- Power Supply: 24 VDC
- Operating Temperature: -20°C to 70°C (ISA G3 compliant)
- Certifications: CE, CSA
Functional Features:
- Compact design for high-density I/O configuration
- Direct signal conversion without isolation for cost-effective applications
- Compatibility with Yokogawa CENTUM series DCS platforms
- Easy installation with standard terminal blocks and KS cable adapters (ATK4A-00)
- Built-in over-current and short-circuit protection
Application Scenarios: Industrial process control systems, factory automation, and non-critical signal conversion in chemical, petrochemical, and manufacturing industries.












