Yokogawa AAB841-S00 S2 Analog Input/Output Module

The Yokogawa AAB841-S00 S2 is a precision-engineered Analog Input/Output Module designed for the CENTUM VP and ProSafe-RS series, used extensively in industrial automation and process control systems. This module is part of Yokogawa’s highly reliable I/O subsystem, offering both analog input and output channels in one compact form factor. It is developed to ensure accuracy, stability, and efficiency in data acquisition and control processes.

Engineered with robustness and longevity in mind, the AAB841-S00 S2 is built to perform reliably under challenging industrial conditions such as high humidity, temperature fluctuations, and vibration. This module plays a critical role in capturing field signals, processing them, and then feeding the processed data back into the control loop, making it indispensable in modern Distributed Control Systems (DCS).

Product Specifications

Product Applications

The Yokogawa AAB841-S00 S2 is used across a broad range of industries due to its versatility and reliability in analog signal handling. Primary applications include:

1. Chemical and Petrochemical Plants – For precision control of flow, level, pressure, and temperature processes.

2. Oil & Gas Refining – Managing analog data from sensors and actuators in critical zones.

3. Power Generation Facilities – Monitoring equipment health and controlling plant operations.

4. Water and Wastewater Treatment – Tracking key parameters such as pH, turbidity, and flow rates.

5. Food & Beverage Processing – Ensuring product consistency and automation of batch processes.

6. Pulp & Paper Industry – Used for monitoring the paper-making process and chemical dosing.

Product Advantages

1. Dual Functionality: Combines both analog input and output functionalities in a single module, optimizing space and reducing hardware costs.

2. High Accuracy: With ±0.1% full-scale accuracy, the module ensures high precision in critical control environments.

3. Robust Isolation: Optical isolation between channels and the main system helps to reduce noise and prevent damage from surges or ground loops.

4. Environmental Resistance: Designed to function in extreme conditions including wide temperature and humidity ranges, making it ideal for field deployment.

5. Redundancy Capable: Supports redundancy configurations for high-availability systems in safety-critical applications.

6. Yokogawa DCS Integration: Seamlessly integrates with Yokogawa CENTUM VP and ProSafe-RS systems, ensuring smooth and secure data transfer.

7. Modular Design: Simplifies maintenance and expansion by allowing hot-swappable module replacement.

8. Low Power Consumption: Efficient design minimizes energy usage while maintaining performance.

FAQ

1. What type of signals does the AAB841-S00 S2 support?

   It supports standard 1–5V and 4–20 mA analog input/output signals.

2. Can this module be used in a redundant system?

   Yes, it supports redundancy when installed within a compatible system configuration.

3. How many channels are available in this module?

   It includes 8 analog input channels and 4 analog output channels.

4. Is the module hot-swappable?

   Yes, it is hot-swappable when used with compatible Yokogawa systems.

5. Does the module offer optical isolation?

   Yes, each channel is optically isolated to enhance reliability and protect the system.

6. Which control systems are compatible with this module?

   It is compatible with Yokogawa CENTUM VP and ProSafe-RS systems.

7. Can I use this module for temperature sensor input?

   Yes, provided the temperature sensors output standard analog signals such as 4–20 mA.

8. What kind of mounting options are available?

   The module can be DIN rail mounted or baseplate mounted within an I/O node.

9. What is the weight of this module?

   0.3 kg.

10. Does it comply with international certifications?

    Yes, it complies with CE, UL, CSA, and RoHS standards.