Yokogawa AAI143-S50 S1 Analog Input Modules

Product Overview

The Yokogawa AAI143-S50 S1 is a high-performance 16-channel analog input module designed for use in demanding industrial control applications. It forms an essential part of Yokogawa’s CENTUM VP and ProSafe-RS safety systems, offering accurate and stable signal acquisition from field devices. With exceptional precision, enhanced isolation, and built-in diagnostic capabilities, this module ensures seamless integration into distributed control systems (DCS) where reliable analog measurement is critical.

Key Features

• 16 isolated analog input channels

• Supports standard signal types (4–20 mA, 1–5 V, etc.)

• High-precision 16-bit A/D conversion

• Advanced diagnostics including wire break detection

• Channel-to-channel and channel-to-ground isolation

• Hot-swappable for uninterrupted operations

• Designed for use with FIO base units

• Suitable for both process control and safety applications

Technical Specifications

Industry Applications

• Process automation (oil & gas, chemical, petrochemical)

• Power generation control systems

• Pharmaceutical and food processing plants

• Water treatment and environmental monitoring

• Safety instrumented systems (SIS) with ProSafe-RS integration

Frequently Asked Questions (FAQ)

1. What is the function of the AAI143-S50 S1?
   It collects analog signals from field instruments and converts them into digital data for control systems.

2. How many input channels does it support?
   The module provides 16 isolated analog input channels.

3. Is it compatible with safety systems?
   Yes, it is suitable for use in Yokogawa’s ProSafe-RS systems.

4. Can this module detect wire breaks?
   Yes, it features built-in wire break and fault diagnostics.

5. Is the module hot-swappable?
   Yes, it can be replaced during operation without system shutdown.

6. What kinds of signals can it receive?
   It supports 4–20 mA, 1–5 V, and 0–10 V analog signals.

7. What is the resolution of the A/D converter?
   It uses a 16-bit A/D conversion for high precision.

8. How is the module powered?
   Power is supplied via the FIO base unit.

9. Is it certified for international use?
   Yes, it complies with CE, KC, RoHS, and other standards.

10. What are its typical use cases?
    It is used in process monitoring, automation, and safety-critical systems.

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Frequently Asked Questions (FAQ)

1. What is the function of the AAI143-S50 S1?
   It collects analog signals from field instruments and converts them into digital data for control systems.

2. How many input channels does it support?
   The module provides 16 isolated analog input channels.

3. Is it compatible with safety systems?
   Yes, it is suitable for use in Yokogawa’s ProSafe-RS systems.

4. Can this module detect wire breaks?
   Yes, it features built-in wire break and fault diagnostics.

5. Is the module hot-swappable?
   Yes, it can be replaced during operation without system shutdown.

6. What kinds of signals can it receive?
   It supports 4–20 mA, 1–5 V, and 0–10 V analog signals.

7. What is the resolution of the A/D converter?
   It uses a 16-bit A/D conversion for high precision.

8. How is the module powered?
   Power is supplied via the FIO base unit.

9. Is it certified for international use?
   Yes, it complies with CE, KC, RoHS, and other standards.

10. What are its typical use cases?
    It is used in process monitoring, automation, and safety-critical systems.

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Popular Yokogawa Modules

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