The Yokogawa NFAI543-H50 S1 Analog Output Module is a high-precision module specifically designed for industrial automation and process control systems. It converts digital signals from a control system into accurate 4-20 mA analog output signals, suitable for driving field devices such as valves, actuators, and transmitters.

This module is part of Yokogawa’s high-performance DCS (Distributed Control System) family and is fully compatible with CENTUM VP and ProSafe-RS systems. It delivers stable and reliable analog output even under harsh industrial conditions, with features such as optical isolation, fast update rates, and comprehensive diagnostics. Its design supports both standard process control and safety-critical applications, ensuring reliable performance in complex industrial environments.

Product Parameters

Product Applications

The NFAI543-H50 S1 module is designed for precision analog output in a wide range of industrial applications:

• Oil & Gas: Precise control of valves, pumps, and actuators in exploration, refining, and distribution.

• Chemical & Petrochemical: Accurate dosing, blending, and process control.

• Power Generation: Controlling turbines, generators, and boiler actuators for stable output.

• Water & Wastewater Treatment: Managing chemical dosing, pumps, and valves.

• Pharmaceuticals: Maintaining precise control in batch processing and formulation.

• Pulp & Paper: Controlling chemical additions, pressure, and process variables.

Product Advantages

• High Accuracy & Precision: 16-bit digital-to-analog conversion ensures accurate signal output.

• Electrical Isolation: Protects outputs from interference and system noise.

• Comprehensive Diagnostics: Monitors short-circuits, out-of-range signals, and channel status.

• Fast Update Speed: 50 ms update per channel provides timely response for critical processes.

• System Compatibility: Fully integrated with CENTUM VP and ProSafe-RS systems.

• Compact Design: Modular and space-saving for dense control panels.

• Industrial Reliability: Designed to withstand wide temperature and humidity conditions.

FAQ

1. What type of output signal does this module provide?

   Provides 4-20 mA DC analog signals for field devices.

2. How many channels are available?

   16 output channels for simultaneous control.

3. Does it have electrical isolation?

   Yes, optical isolation separates channels from the system bus.

4. What is the D/A resolution of this module?

   16-bit digital-to-analog conversion ensures precision.

5. Are there diagnostic features?

   Yes, short-circuit detection and range monitoring are included.

6. What is the typical channel update time?

   Approximately 50 milliseconds per channel.

7. Can it drive high-resistance loads?

   Yes, up to 600 Ω per channel.

8. Is it compatible with safety instrumented systems?

   Yes, suitable for use with ProSafe-RS and redundant systems.

9. Can output status be monitored?

   Yes, real-time monitoring is available via self-diagnostics.

10. Which control systems is it integrated with?

    Compatible with Yokogawa CENTUM VP and ProSafe-RS systems.