The Yokogawa AAV144-S50 Voltage Input Module is a high-precision and reliable input module designed for use in industrial control systems, particularly within Yokogawa’s CENTUM and STARDOM systems. This module is part of the AAV144 series, which specializes in converting voltage signals from field instruments into digital data for processing by Distributed Control Systems (DCS).

The AAV144-S50 is specifically designed for applications requiring voltage input signal conversion and monitoring. It supports a wide range of input voltages and provides high accuracy in converting analog signals to digital. This module is perfect for industries like oil and gas, chemical processing, power generation, and manufacturing, where precision and reliability are crucial.

Product Specifications

Product Applications

The Yokogawa AAV144-S50 Voltage Input Module is ideal for applications that require the accurate conversion of voltage signals from sensors or field instruments into usable data for system control. Some typical use cases include:

1. Power Generation: Monitoring and controlling voltage signals from generators, turbines, and power transformers.

2. Chemical Plants: Voltage monitoring in chemical reaction control systems to ensure proper chemical balances and safe operations.

3. Manufacturing Automation: For automated systems that require precise voltage control in motors, actuators, and other industrial machinery.

4. Oil & Gas Industry: Monitoring the voltage output from various instruments used in process control, including level sensors, pressure transmitters, and flow meters.

5. Water Treatment: Ensuring accurate control of water processing systems by converting voltage data from instruments monitoring parameters like pH, flow, and pressure.

6. HVAC Systems: Voltage control and signal processing for heating, ventilation, and air conditioning systems used in large-scale buildings or plants.

Product Advantages

1. High Accuracy: The AAV144-S50 provides excellent accuracy in voltage signal conversion, ensuring precise control in critical applications.

2. Wide Input Range: It accepts a broad range of input voltages (±10 V, 0-10 V), making it adaptable for different field instruments.

3. Compact Size: Its compact form factor (107.5 × 130 × 32.8 mm) ensures it fits easily into tight spaces in control panels, saving valuable space.

4. Ease of Integration: The module is designed for seamless integration with Yokogawa’s CENTUM and STARDOM systems, allowing for easy system expansion.

5. Robust Performance: The AAV144-S50 is built to operate in demanding environments, with an operating temperature range from -20°C to +60°C.

6. Low Power Consumption: With a 24 VDC power supply requirement, this module offers low power consumption without compromising on performance.

7. Reliability: Built to withstand industrial conditions, it provides long-term stability and reduces the need for frequent maintenance.

8. Cost-Effective: The module delivers excellent value for money, providing high-performance capabilities at an affordable price.

Frequently Asked Questions (FAQ)

1. What is the primary function of the AAV144-S50 Voltage Input Module?

   • The AAV144-S50 converts voltage signals from field instruments (such as sensors and transmitters) into digital data for use by a Distributed Control System (DCS).

2. How many input channels does the AAV144-S50 support?

   • It supports 4 input channels, allowing for the simultaneous conversion of multiple voltage signals.

3. What is the input voltage range for the AAV144-S50?

   • The module supports an input voltage range of ±10 V and 0-10 V, making it versatile for a wide range of applications.

4. What is the resolution of the AAV144-S50?

   • The AAV144-S50 offers a 16-bit resolution for precise voltage measurement and conversion.

5. What is the power supply requirement for the AAV144-S50?

   • The module requires a 24 VDC power supply with a ±20% tolerance.

6. Is the AAV144-S50 compatible with Yokogawa’s CENTUM and STARDOM systems?

   • Yes, the AAV144-S50 is designed to seamlessly integrate with both CENTUM and STARDOM systems.

7. What is the operating temperature range of the AAV144-S50?

   • The operating temperature range is from -20°C to +60°C, ensuring it can function in diverse environments.

8. What is the weight and size of the AAV144-S50?

   • The module weighs 0.2 kg and has dimensions of 107.5 × 130 × 32.8 mm.

9. What protection rating does the AAV144-S50 have?

   • The AAV144-S50 has an IP20 protection rating, meaning it is designed for use in control panels and is not suitable for outdoor or exposed installations.

10. What industries can benefit from using the AAV144-S50?

    • The AAV144-S50 is widely used in power generation, chemical processing, manufacturing automation, oil and gas, water treatment, and HVAC systems.