Yokogawa AAI143-S03/ATA4S-00 Analog Input Module

The Yokogawa AAI143-S03/ATA4S-00 Analog Input Module is an advanced and high-reliability signal processing unit designed for industrial process automation systems. It belongs to the Yokogawa CENTUM CS 3000 and CENTUM VP control system family, providing precise analog signal acquisition from various field instruments such as transmitters, sensors, and analyzers.

This module is engineered to convert analog process signals into high-resolution digital values, ensuring accurate measurement and stable data transfer to the control processor. With superior noise immunity, diagnostic features, and modular design, the AAI143-S03/ATA4S-00 is widely trusted in critical industries such as oil & gas, power generation, petrochemicals, and manufacturing.

Product Specifications

Applications

The AAI143-S03/ATA4S-00 is suitable for use in process control systems where precise analog measurement is essential. Common applications include:

• Oil & Gas – Monitoring pressure, flow, temperature, and level transmitters in upstream and downstream operations.

• Power Generation – Measuring turbine parameters, boiler temperature, and plant performance variables.

• Petrochemical & Refining – Handling critical process parameters for reactors, distillation units, and blending operations.

• Water & Wastewater Treatment – Capturing continuous measurements from pH sensors, turbidity meters, and flow meters.

• Food & Beverage Manufacturing – Ensuring precision control in temperature, mixing, and quality monitoring processes.

• Pharmaceutical Production – Providing accurate monitoring for cleanroom environmental conditions and production parameters.

Advantages

• High Signal Accuracy – 16-bit resolution ensures precise measurement for demanding industrial applications.

• Noise Immunity – Designed with advanced filtering to minimize electrical interference.

• Channel Isolation – Individual channel-to-channel isolation for improved reliability in mixed-signal environments.

• Wide Compatibility – Works seamlessly with Yokogawa CENTUM CS 3000 and CENTUM VP systems.

• Robust Design – Industrial-grade components for long-term stability in harsh environments.

• Easy Maintenance – Hot-swappable design allows module replacement without shutting down the entire system.

• Diagnostic Capabilities – Built-in fault detection for wiring errors and signal abnormalities.

FAQ

1. What is the resolution of the AAI143-S03/ATA4S-00 module?

   It provides a 16-bit resolution for precise analog-to-digital conversion.

2. Does the module provide galvanic isolation?

   Yes, it offers channel-to-channel and channel-to-system galvanic isolation.

3. What types of analog signals can it handle?

   It supports 4–20 mA DC standard, and other ranges can be configured through the control system.

4. What is the typical update rate for signal processing?

   The typical update rate is approximately 50 ms.

5. Can it detect wiring faults automatically?

   Yes, it has built-in diagnostic functions to detect open circuits and signal abnormalities.

6. Is the module hot-swappable?

   Yes, it can be replaced without shutting down the entire system.

7. What is the recommended operating temperature range?

   It operates between 0°C and +55°C.

8. Does it require a separate external power supply?

   No, it receives 24 VDC power from the base unit.

9. Is the input accuracy affected by temperature variations?

   It maintains ±0.1% of span accuracy under normal environmental conditions.

10. Can this module be used in hazardous areas?

    Yes, when installed within certified Yokogawa control cabinets and used with approved barriers.