YOKOGAWA AAI141-H50 S2 Analog Input Module
Engineered for precision-critical environments, this 8-channel analog input module serves as the backbone for real-time data acquisition in industrial control systems. Its 4-20mA signal processing capabilities make it indispensable for monitoring temperature, pressure, and flow parameters in continuous manufacturing processes.
| Technical Specifications | Japan-manufactured Yokogawa module |
| Signal Range | 4-20 mA DC (universal sensor compatibility) |
| Resolution | 16-bit precision |
| Sampling Rate | 100ms/channel (ideal for steady-state monitoring) |
| Environmental Tolerance | -20°C to +60°C operating range |
| Power Requirements | 24V DC @ 450mA typical draw |
| Certifications | CE/UL/RoHS compliant |

While primarily deployed in Yokogawa DCS ecosystems, we’ve successfully integrated this module with third-party systems – one notable case involved retrofitting a legacy chemical processing line in Houston where its isolation features proved crucial for eliminating ground loop interference. Common companion modules include the AAI141-H50 S2’s siblings like the AAO143-H50 analog output variant and AID141 digital input modules.
Our inventory spans both current production units and legacy stockpiles. For instance, while the AAI141-H50 S2 remains in active production, we also maintain older revisions like the AAI141-H50 S1 for backward compatibility scenarios. Technical documentation packages include wiring diagrams, calibration procedures, and configuration checklists.

Our 16 regional warehouses ensure 48-hour delivery on in-stock units. While Yokogawa typically quotes 8-10 week lead times for new orders, our global inventory network often provides immediate availability. For critical replacements, we offer loaner programs with overnight shipping – recently helped a Midwest refinery avoid $120k/day downtime by deploying a hot-swap replacement.
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*All units ship with full technical documentation and our standard 1-year warranty. Extended service contracts available upon request.








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