Yokogawa AAI143-H00 S2 | 16-Ch HART Analog Input Module

Yokogawa AAI143-H00 S2 Analog Input Module Overview

The Yokogawa AAI143-H00 S2 is a high-performance 16-channel analog input module engineered for demanding industrial control applications requiring exceptional signal integrity and system redundancy. This module integrates seamlessly into Yokogawa CENTUM VP and ProSafe-RS distributed control systems, delivering isolated 4-20 mA current input with embedded HART protocol communication capabilities.

Technical Specifications

• Input Channels: 16 isolated analog current inputs
• Signal Range: 4-20 mA DC with HART digital overlay
• Isolation: Channel-to-channel and channel-to-system isolation for noise immunity
• Redundancy: S2 dual-redundant architecture for mission-critical operations
• Accuracy: ±0.1% of span, ensuring precision measurement
• Resolution: 16-bit A/D conversion for superior signal fidelity
• HART Support: Bi-directional HART communication on all channels
• Operating Temperature: -40°C to +70°C ambient
• Power Consumption: Typically 5W maximum
• Mounting: DIN rail or panel mount compatible

Key Applications

This analog input module excels in process automation scenarios where reliable signal acquisition is paramount:

• Oil & gas upstream/downstream monitoring and control
• Chemical processing with hazardous area integration
• Power generation turbine and boiler control systems
• Water treatment SCADA and telemetry networks
• Pharmaceutical batch process validation
• Pulp & paper machine control and quality assurance

Advanced Features & Benefits

S2 Redundancy Architecture: The dual-redundant S2 configuration ensures uninterrupted operation even during module failure, critical for safety instrumented systems (SIS) and high-availability processes. Automatic failover occurs seamlessly without process disruption.

HART Protocol Integration: Access advanced diagnostics, configuration parameters, and secondary process variables directly from field devices without interrupting the 4-20 mA control loop. Reduce commissioning time and enable predictive maintenance strategies.

Galvanic Isolation: Each input channel features transformer-based isolation, eliminating ground loops and protecting against electrical transients. This design enhances measurement accuracy in electrically noisy industrial environments.

System Integration & Compatibility

The AAI143-H00 S2 module integrates natively with Yokogawa's CENTUM VP DCS platform via the Vnet/IP field control network. It supports hot-swappable installation for maintenance without system shutdown, and configuration is managed through the intuitive Engineering Studio software suite.

Installation & Configuration Solutions

Designed for rapid deployment, the module features removable terminal blocks for simplified wiring and maintenance. LED indicators provide real-time status for power, communication, and channel health. The compact form factor optimizes cabinet space utilization in dense I/O configurations.

Related Products

Expand your Yokogawa DCS capabilities with these complementary modules:

• Yokogawa SAI143-H63 Analog Input Module - Safety-rated 16-channel 4-20mA input for SIL applications
• Yokogawa AAB841-S00 Analog I/O Module - Combined analog input/output for flexible control
• Yokogawa AAI841-H03 S1 Analog I/O Module - S1 redundant analog I/O for enhanced reliability

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