Yokogawa ADV851-P50 Digital I/O Module

Product Introduction

The Yokogawa ADV851-P50 Digital I/O Module is an advanced interface module designed for high-reliability industrial automation and distributed control systems. It integrates both digital input and digital output channels in a single compact unit, making it ideal for complex process control tasks that require simultaneous monitoring and actuation. Built to operate in harsh industrial environments, the ADV851-P50 delivers rapid response times, strong noise immunity, and stable signal processing for continuous plant operations. Its modular architecture simplifies installation, allows easy system expansion, and ensures seamless integration with Yokogawa’s CENTUM and STARDOM platforms.

Technical Specifications

Applications

• Process Control: Interfaces with field devices for real-time monitoring and actuation in oil & gas, chemical, and power plants.

• Factory Automation: Manages discrete sensor inputs and drives actuators or relays on production lines.

• Building Systems: Controls HVAC, lighting, and security equipment from a central automation system.

• Utility Management: Handles remote I/O for water treatment facilities and energy distribution networks.

• Safety Interlocks: Provides input monitoring and output control for emergency shutdown and alarm circuits.

• Transportation Systems: Integrates with signaling and control equipment for railways and transit infrastructure.

Advantages

• Dual Functionality: Combines input and output channels in one module, reducing hardware footprint.

• High-Speed Operation: <5 ms update ensures real-time responsiveness for critical processes.

• Robust Isolation: Optical isolation protects control logic from electrical noise and surges.

• Flexible Filtering: Adjustable debounce settings minimize false input triggering.

• Comprehensive Diagnostics: Built-in LEDs and self-checking functions simplify troubleshooting.

• Energy Efficient: Low power consumption lowers overall system energy costs.

• Easy Integration: Fully compatible with Yokogawa CENTUM VP and STARDOM systems.

• Modular Design: Simplifies maintenance and supports easy system expansion.

FAQ

1. What is the nominal input voltage for the ADV851-P50 module?
   It operates at a nominal 24 V DC with an acceptable range of 19–30 V DC.

2. How many digital inputs and outputs are available?
   The module provides 16 isolated digital inputs and 16 isolated transistor outputs.

3. What is the maximum output current per channel?
   Each output channel can source up to 0.5 A at 24 V DC.

4. Does the module feature optical isolation?
   Yes, optical isolation is provided between the field and logic circuits for improved safety.

5. What is the update rate for input and output processing?
   Both input scanning and output refresh occur in less than 5 ms.

6. Are the outputs protected against short circuits?
   Yes, the outputs include short-circuit and over-temperature protection features.

7. Can input filtering be customized?
   Yes, a debounce filter adjustable from 1–10 ms can be configured to reduce noise interference.

8. Is this module compatible with Yokogawa CENTUM systems?
   It integrates seamlessly with Yokogawa CENTUM VP and STARDOM control platforms.

9. How are channel states indicated?
   Each input and output channel has an LED indicator to show ON/OFF status.

10. Does the module support self-diagnostics?
    Yes, it continuously monitors I/O health and provides fault indications for easy maintenance.

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FAQ

1. What is the nominal input voltage for the ADV851-P50 module?
   It operates at a nominal 24 V DC with an acceptable range of 19–30 V DC.

2. How many digital inputs and outputs are available?
   The module provides 16 isolated digital inputs and 16 isolated transistor outputs.

3. What is the maximum output current per channel?
   Each output channel can source up to 0.5 A at 24 V DC.

4. Does the module feature optical isolation?
   Yes, optical isolation is provided between the field and logic circuits for improved safety.

5. What is the update rate for input and output processing?
   Both input scanning and output refresh occur in less than 5 ms.

6. Are the outputs protected against short circuits?
   Yes, the outputs include short-circuit and over-temperature protection features.

7. Can input filtering be customized?
   Yes, a debounce filter adjustable from 1–10 ms can be configured to reduce noise interference.

8. Is this module compatible with Yokogawa CENTUM systems?
   It integrates seamlessly with Yokogawa CENTUM VP and STARDOM control platforms.

9. How are channel states indicated?
   Each input and output channel has an LED indicator to show ON/OFF status.

10. Does the module support self-diagnostics?
    Yes, it continuously monitors I/O health and provides fault indications for easy maintenance.

Related Models (Same Series or Similar)

Popular Yokogawa Models

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