
Product Description
Yokogawa AAI143-H50/ATA4S-00 Analog Input Module - Precision 16-Channel Signal Acquisition
The Yokogawa AAI143-H50/ATA4S-00 represents advanced analog signal processing technology for mission-critical distributed control systems. This 16-channel analog input module is specifically engineered to acquire 4 to 20 mA current signals with exceptional accuracy in dual-redundant configurations, ensuring zero-downtime operation in process industries where reliability is paramount.
Core Technical Specifications
- Model Number: AAI143-H50/ATA4S-00
- Input Channels: 16 differential analog inputs
- Signal Type: 4-20 mA DC current loop
- Configuration: Dual-redundant architecture (ATA4S-00 suffix)
- Manufacturer: Yokogawa Electric Corporation
- Product Category: Analog Input Module
- Country of Origin: Japan
- Weight: 0.3 kg
- HS Code: 8537109090
Engineering Advantages
What sets the AAI143-H50/ATA4S-00 apart in industrial signal acquisition:
- Dual-Redundant Reliability: Seamless failover capability maintains continuous process monitoring even during module maintenance or unexpected failures
- High-Density I/O: 16 channels per module maximize cabinet space utilization while reducing wiring complexity and installation costs
- Precision Signal Conditioning: Advanced analog-to-digital conversion delivers measurement accuracy critical for tight process control loops
- CENTUM Integration: Native compatibility with Yokogawa CENTUM VP, CENTUM CS 3000, and ProSafe-RS platforms ensures plug-and-play deployment
- Diagnostic Intelligence: Built-in self-diagnostics and health monitoring enable predictive maintenance strategies
- Isolation Protection: Channel-to-channel and channel-to-bus isolation safeguards against ground loops and electrical interference
Industrial Application Scenarios
The AAI143-H50/ATA4S-00 excels across demanding process environments:
Oil & Gas Operations: Monitor flow transmitters, pressure sensors, and temperature probes across upstream production, midstream pipelines, and downstream refining units where measurement integrity directly impacts safety and profitability.
Chemical Manufacturing: Acquire reactor temperature profiles, distillation column pressures, and batch process variables in pharmaceutical, specialty chemical, and petrochemical facilities requiring FDA 21 CFR Part 11 compliance.
Power Generation: Track boiler drum levels, turbine vibration sensors, and emissions monitoring instruments in coal-fired, combined-cycle, and nuclear power stations where redundancy is mandated.
Pulp & Paper Mills: Interface with consistency transmitters, pH analyzers, and stock flow meters throughout digester, bleaching, and paper machine control systems.
System Integration Strategy
Deploy the AAI143-H50/ATA4S-00 as part of a comprehensive control architecture. The dual-redundant ATA4S-00 configuration pairs with redundant field control units (FCUs) and redundant control networks to achieve five-nines availability (99.999% uptime). When combined with Yokogawa's Vnet/IP or Vnet communication protocols, the module supports deterministic data refresh rates essential for cascade control, ratio control, and advanced regulatory strategies.
For brownfield upgrades, this module provides backward compatibility with legacy CENTUM systems while offering migration paths to modern virtualized control platforms. The standardized terminal block design simplifies field wiring transitions during phased modernization projects.
Why Partner with Industrial Control Hub?
- Certified genuine Yokogawa components with factory traceability and warranty support
- Worldwide logistics network serving projects across Asia-Pacific, EMEA, and Americas regions
- Application engineering assistance for module selection, redundancy design, and system sizing
- Competitive project pricing with volume discounts for multi-module deployments
- Expedited shipping options to meet critical project milestones and turnaround schedules
Complementary Products for Complete Solutions
| Product Model | Function | Product Link |
|---|---|---|
| Yokogawa AAI143-S50 | Standard 16-channel analog input for non-redundant systems | View Details |
| Yokogawa AAI141-S50/A4S00 | 8-channel analog input with enhanced diagnostics | View Details |
| Yokogawa AAM11 S2 | Compact analog input for space-constrained installations | View Details |
Designing a redundant control system? Our automation specialists can recommend optimal I/O configurations, calculate channel loading, and provide integration support. Contact us for technical consultation.
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