Yokogawa AAV144-S00/A4S10 Voltage Input Module

Product Introduction

The Yokogawa AAV144-S00/A4S10 is a high-precision voltage input module designed for integration into Yokogawa’s CENTUM VP and ProSafe-RS safety systems. Built to perform in demanding industrial environments, the AAV144 module is part of Yokogawa’s I/O subsystem for the FIO (Field I/O) architecture. It ensures accurate and reliable acquisition of analog voltage signals from field instruments, enabling precise control and monitoring functions within DCS and SIS infrastructures.

This module is engineered to support multiple voltage ranges with high noise immunity and robust isolation capabilities. It is suitable for high-integrity systems where accuracy, stability, and system availability are paramount. Typical uses include critical applications in power generation, chemical processing, oil & gas, and water treatment industries.

Product Specifications

Product Applications

The Yokogawa AAV144-S00/A4S10 module is tailored for demanding industrial environments that require reliable and secure acquisition of analog voltage signals. Its precise voltage measurement capabilities make it ideal for:

• DCS Applications: Monitoring and control of process voltages in distributed control systems

• SIS Safety Systems: Integration with ProSafe-RS for critical safety instrumentation applications

• Energy Industry: Voltage feedback in turbines, generators, or HV substations

• Oil & Gas: Monitoring sensor outputs in upstream and downstream applications

• Chemical Plants: Accurate signal capture for real-time process control

• Water & Wastewater Treatment: Managing control loops for dosing systems and electrical measurements

Product Advantages

• High Accuracy: Ensures precision in voltage monitoring with 16-bit resolution and ±0.1% full-scale accuracy

• Channel Isolation: Each channel is electrically isolated, minimizing signal interference and increasing system reliability

• Multi-Range Input: Supports both unipolar and bipolar voltage ranges, increasing flexibility in field device compatibility

• Robust Design: Designed to operate in harsh environments with extended temperature and humidity ranges

• Integrated Diagnostics: Continuous monitoring of module and channel health enhances system safety and maintainability

• System Compatibility: Seamlessly integrates with Yokogawa’s CENTUM VP and ProSafe-RS systems for unified control

• Compact Footprint: Slim design conserves panel space while delivering high-density I/O

• International Certifications: CE, CSA, and ATEX certifications ensure global compliance

FAQ

1. What voltage ranges are supported by the AAV144-S00/A4S10 module?
   It supports 0–10 V and ±10 V DC input signals.

2. Does the module offer channel-to-channel isolation?
   Yes, each input channel is isolated to prevent cross-interference and ensure accurate readings.

3. What is the resolution of the analog-to-digital conversion?
   It uses a 16-bit ADC, providing high precision for voltage measurement.

4. Is the module suitable for safety system (SIS) applications?
   Yes, it can be used within ProSafe-RS architectures and meets SIL requirements at the system level.

5. Can this module detect open or broken input signals?
   Yes, it features built-in diagnostics to monitor input circuit integrity.

6. How is the module powered within the system?
   It draws power directly from the FIO baseplate via the system power bus.

7. What is the input impedance of the module?
   The input impedance is greater than or equal to 1 MΩ, ensuring minimal signal loading.

8. Does the module support redundant configurations?
   Redundancy is handled at the system level via controller and I/O redundancy; the module can be part of such configurations.

9. What is the common-mode noise rejection ratio?
   It is ≥ 120 dB, offering excellent immunity to electrical noise.

10. Can this module be hot-swapped during operation?
    Yes, the module supports hot-swapping when used with appropriate FIO systems and redundancy features.

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FAQ

1. What voltage ranges are supported by the AAV144-S00/A4S10 module?
   It supports 0–10 V and ±10 V DC input signals.

2. Does the module offer channel-to-channel isolation?
   Yes, each input channel is isolated to prevent cross-interference and ensure accurate readings.

3. What is the resolution of the analog-to-digital conversion?
   It uses a 16-bit ADC, providing high precision for voltage measurement.

4. Is the module suitable for safety system (SIS) applications?
   Yes, it can be used within ProSafe-RS architectures and meets SIL requirements at the system level.

5. Can this module detect open or broken input signals?
   Yes, it features built-in diagnostics to monitor input circuit integrity.

6. How is the module powered within the system?
   It draws power directly from the FIO baseplate via the system power bus.

7. What is the input impedance of the module?
   The input impedance is greater than or equal to 1 MΩ, ensuring minimal signal loading.

8. Does the module support redundant configurations?
   Redundancy is handled at the system level via controller and I/O redundancy; the module can be part of such configurations.

9. What is the common-mode noise rejection ratio?
   It is ≥ 120 dB, offering excellent immunity to electrical noise.

10. Can this module be hot-swapped during operation?
    Yes, the module supports hot-swapping when used with appropriate FIO systems and redundancy features.

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Popular Yokogawa Modules

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