Yokogawa AAV544-S50 Voltage Output Module

Product Introduction

The Yokogawa AAV544-S50 is a high-performance Voltage Output Module engineered for use within the CENTUM VP and ProSafe-RS distributed control and safety instrumented systems. This module delivers precise analog voltage outputs to field devices, enabling accurate control of actuators such as valves, drives, and other industrial components.

Designed as part of Yokogawa’s N-IO architecture, the AAV544-S50 provides 4 isolated voltage output channels, with exceptional electrical isolation and signal integrity. The module is built to perform reliably in challenging industrial environments, offering advanced diagnostics and flexibility to meet rigorous safety and operational standards.

Product Specifications

Product Applications

The Yokogawa AAV544-S50 is widely used in industrial environments where precise analog voltage output control is essential. Common application fields include:

• Distributed Control Systems (DCS): Outputting control voltages to valves, actuators, and motors in continuous process industries

• Safety Instrumented Systems (SIS): Sending fail-safe voltage signals to critical control elements within ProSafe-RS systems

• Power Generation: Controlling excitation and turbine governor analog inputs in power plants

• Oil & Gas: Managing control signals for pressure and flow control devices in upstream and midstream facilities

• Chemical Processing: Driving control valves and pumps for accurate process flow and temperature control

• Water and Wastewater Treatment: Controlling dosing pumps and variable speed drives for water quality and flow management

Product Advantages

• High Accuracy: Offers 16-bit DAC resolution with ±0.1% full-scale output accuracy for precise control

• Electrical Isolation: Each output channel is fully isolated, preventing interference and ensuring signal purity

• Flexible Output Range: Supports both unipolar and bipolar voltage output ranges, compatible with a wide array of field devices

• Built-In Diagnostics: Monitors output line status and module health to reduce downtime and simplify maintenance

• Robust Design: Capable of operating in harsh temperature and humidity conditions common in industrial environments

• Hot Swap Support: Allows module replacement without shutting down the control system, reducing maintenance impact

• Compact Footprint: Slim module profile saves panel space while providing high reliability

• Certified for Safety Systems: Meets SIL requirements when integrated into ProSafe-RS systems

• Seamless Integration: Works directly with Yokogawa’s CENTUM VP and ProSafe-RS platforms for easy configuration and maintenance

• Low Maintenance: Durable design and diagnostic capabilities minimize operational interruptions

FAQ

1. What voltage output ranges does the AAV544-S50 support?
   It supports 0 to 10 V DC and ±10 V DC ranges configurable per channel.

2. Are the output channels electrically isolated?
   Yes, channels are isolated from each other and from the system ground.

3. What is the output resolution of this module?
   The module uses a 16-bit DAC for high-resolution voltage output.

4. Does the module provide diagnostics for output circuits?
   Yes, it detects open circuits and monitors module health status.

5. What is the minimum recommended load resistance?
   The module requires a load resistance of at least 1 kΩ per channel.

6. What is the typical output update speed?
   Output is typically updated every 20 milliseconds per channel.

7. Is the AAV544-S50 suitable for use in SIL-rated safety systems?
   Yes, it meets SIL standards within the ProSafe-RS system environment.

8. Can the module be replaced while the system is running?
   Yes, it supports hot swapping when used with redundant configurations.

9. How is the module powered?
   It receives power directly from the N-IO baseplate within the system rack.

10. Can output ranges be configured individually per channel?
    Yes, each channel’s output range can be set independently.

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FAQ

1. What voltage output ranges does the AAV544-S50 support?
   It supports 0 to 10 V DC and ±10 V DC ranges configurable per channel.

2. Are the output channels electrically isolated?
   Yes, channels are isolated from each other and from the system ground.

3. What is the output resolution of this module?
   The module uses a 16-bit DAC for high-resolution voltage output.

4. Does the module provide diagnostics for output circuits?
   Yes, it detects open circuits and monitors module health status.

5. What is the minimum recommended load resistance?
   The module requires a load resistance of at least 1 kΩ per channel.

6. What is the typical output update speed?
   Output is typically updated every 20 milliseconds per channel.

7. Is the AAV544-S50 suitable for use in SIL-rated safety systems?
   Yes, it meets SIL standards within the ProSafe-RS system environment.

8. Can the module be replaced while the system is running?
   Yes, it supports hot swapping when used with redundant configurations.

9. How is the module powered?
   It receives power directly from the N-IO baseplate within the system rack.

10. Can output ranges be configured individually per channel?
    Yes, each channel’s output range can be set independently.

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Popular Yokogawa Modules

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