Yokogawa AAM21-S2 RTD Input Module

The Yokogawa AAM21-S2 RTD Input Module is a high-precision analog input module designed for accurate temperature measurements using Resistance Temperature Detectors (RTDs). It is engineered to integrate seamlessly with Yokogawa’s CENTUM CS 1000/3000 control systems, providing reliable and stable temperature data acquisition essential for various industrial processes.​

This module supports multiple RTD types, ensuring flexibility and compatibility with a wide range of temperature sensors. Its robust design and advanced features make it suitable for critical applications in industries such as oil and gas, chemical processing, power generation, and more.​

Product Specifications

Product Applications

The AAM21-S2 RTD Input Module is suitable for various industrial applications requiring precise temperature monitoring:​

• Oil & Gas: Monitoring temperature in pipelines and processing units.

• Chemical Processing: Ensuring accurate temperature control in reactors and storage tanks.

• Power Generation: Measuring temperatures in turbines, boilers, and generators.

• Pharmaceutical Industry: Maintaining strict temperature conditions during drug manufacturing.

• Food & Beverage: Controlling temperatures in cooking, pasteurization, and storage processes.

• HVAC Systems: Monitoring and controlling environmental temperatures in large facilities.​

Product Advantages

• High Accuracy: Provides precise temperature measurements critical for process control.

• Multiple RTD Support: Compatible with various RTD types, offering flexibility in sensor selection.

• Robust Isolation: Ensures signal integrity by preventing interference between channels.

• Compact Design: Space-saving dimensions facilitate easy integration into control panels.

• Wide Operating Range: Performs reliably across a broad temperature and humidity spectrum.

• Easy Integration: Seamlessly connects with Yokogawa’s control systems, simplifying setup.

• Durable Construction: Built to withstand harsh industrial environments.

• Diagnostic Features: Includes LED indicators for easy status monitoring and troubleshooting.​

FAQ

1. What types of RTDs are compatible with the AAM21-S2 module?

   The module supports Pt100, JPt100, Cu50, and Ni100 RTDs.

2. How many RTD channels does the AAM21-S2 provide?

   It offers 4 independent RTD input channels.

3. What is the accuracy of the AAM21-S2 module?

   The module provides an accuracy of ±0.1% of span.

4. Is the module electrically isolated?

   Yes, it features channel-to-channel and channel-to-ground isolation to prevent signal interference.

5. What are the operating temperature and humidity ranges?

   The module operates between -20°C to +70°C and 5% to 95% RH (non-condensing).

6. How is the module mounted?

   It is designed for DIN rail mounting, facilitating easy installation.

7. What are the dimensions and weight of the AAM21-S2?

   The module measures 42.9 × 130 × 146.8 mm and weighs 0.1 kg.

8. Does the module support HART communication?

   The AAM21-S2 utilizes Yokogawa’s proprietary communication protocol. For HART support, consider modules like the AAI141-H00.

9. Is the AAM21-S2 suitable for hazardous environments?

   Yes, it complies with CE, ATEX, CSA, FM, and IECEx standards for use in hazardous areas.

10. What is the warranty period for the AAM21-S2 module?

    We provide one year warranty.