Company Information
E-mail		[email protected]
Mobile		+8613666084105
Whatsapp		+8613666084105
WeChat		13666084105
Add		Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China

Product Introduction

The Yokogawa AAM21J Versatile Input Module is designed for precise and reliable analog signal acquisition in industrial automation systems. It supports multiple input types, including millivolt (mV), thermocouple (TC), and resistance temperature detector (RTD) signals, making it suitable for a wide range of applications such as process control, machine control, environmental monitoring, and data acquisition. The module conforms to IEC584-1995 and IEC751-1995 standards, ensuring compatibility with international measurement norms. ​

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Product Specifications

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Product Applications

The AAM21J module is suitable for various industrial applications requiring accurate and reliable measurement of analog signals:

• Process Control: Monitoring and controlling temperature, pressure, and flow in chemical plants and refineries.

• Machine Control: Acquiring precise measurements from sensors in manufacturing equipment.

• Environmental Monitoring: Collecting data from temperature and humidity sensors in HVAC systems.

• Data Acquisition Systems: Recording analog signals for analysis in research and development settings.

• Power Generation: Monitoring temperature and other parameters in power plants.

• Pharmaceutical Industry: Ensuring precise temperature control in drug manufacturing processes.​

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Product Advantages

• Multi-Signal Support: Handles mV, TC, and RTD inputs, reducing the need for multiple modules.

• High Accuracy: Ensures precise measurements critical for quality control and process efficiency.

• Robust Isolation: 2,500 V RMS isolation enhances safety and signal integrity.

• Fast Response Time: Quick signal processing allows for timely data acquisition and control actions.

• Standards Compliance: Adheres to international measurement standards, ensuring compatibility and reliability.

• Compact Design: Space-saving form factor facilitates easy integration into control panels.

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

• Ease of Installation: DIN rail mounting simplifies setup and maintenance.​

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Frequently Asked Questions (FAQ)

1. What types of input signals does the AAM21J support?
   It supports millivolt (mV), thermocouple (TC), and resistance temperature detector (RTD) inputs.

2. Which thermocouple types are compatible with the AAM21J?
   It is compatible with types J, K, E, B, R, S, T, and N.

3. What RTD types can be used with this module?
   The module supports Pt100, JPt100, Cu50, and Ni100 RTDs.

4. What is the accuracy of the AAM21J for different input types?
   It offers ±0.1% of span accuracy for mV and RTD inputs, and ±0.25% for thermocouple inputs.

5. How fast does the module respond to input changes?
   The response time is 0.5 seconds for mV and RTD inputs, and 2 seconds for thermocouple inputs.

6. Is the module electrically isolated?
   Yes, it provides 2,500 V RMS isolation between channels and from the power supply.

7. What are the operating temperature and humidity ranges?
   It operates between -20°C to +60°C and 5% to 95% relative humidity (non-condensing).

8. How is the module mounted?
   The AAM21J is designed for DIN rail mounting.

9. What are the dimensions and weight of the module?
   It measures 42.9 × 130 × 146.8 mm and weighs 0.1 kg.

10. Does the AAM21J comply with international standards?
    Yes, it conforms to IEC584-1995 and IEC751-1995 standards.

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Frequently Asked Questions (FAQ)

1. What types of input signals does the AAM21J support?
   It supports millivolt (mV), thermocouple (TC), and resistance temperature detector (RTD) inputs.

2. Which thermocouple types are compatible with the AAM21J?
   It is compatible with types J, K, E, B, R, S, T, and N.

3. What RTD types can be used with this module?
   The module supports Pt100, JPt100, Cu50, and Ni100 RTDs.

4. What is the accuracy of the AAM21J for different input types?
   It offers ±0.1% of span accuracy for mV and RTD inputs, and ±0.25% for thermocouple inputs.

5. How fast does the module respond to input changes?
   The response time is 0.5 seconds for mV and RTD inputs, and 2 seconds for thermocouple inputs.

6. Is the module electrically isolated?
   Yes, it provides 2,500 V RMS isolation between channels and from the power supply.

7. What are the operating temperature and humidity ranges?
   It operates between -20°C to +60°C and 5% to 95% relative humidity (non-condensing).

8. How is the module mounted?
   The AAM21J is designed for DIN rail mounting.

9. What are the dimensions and weight of the module?
   It measures 42.9 × 130 × 146.8 mm and weighs 0.1 kg.

10. Does the AAM21J comply with international standards?
    Yes, it conforms to IEC584-1995 and IEC751-1995 standards.

Related Models (Same Series or Functional Equivalents)

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