Yokogawa NFAI543-500/A4500 Analog Output Module

The Yokogawa NFAI543-500/A4500 Analog Output Module is designed for precise and reliable signal conversion from digital control systems to field analog devices. This module is part of the Yokogawa DCS (Distributed Control System) and is commonly used in both standard process control and safety instrumented systems (SIS).

It provides accurate 4-20 mA DC output channels that are configurable for a variety of control and monitoring applications. The module supports high-speed updates, advanced diagnostics, and electrical isolation, ensuring signal integrity even in harsh industrial environments. Integrated seamlessly with CENTUM VP and ProSafe-RS systems, the NFAI543-500/A4500 is optimized for critical process control where precision, reliability, and safety are essential.

Product Parameters

Product Applications

The NFAI543-500/A4500 module is widely used in industries that require precise analog output control for automation systems:

• Oil and Gas: Controlling valves, actuators, and transmitters in production and refining.

• Chemical & Petrochemical: Accurate analog output for dosing, mixing, and reaction control.

• Power Plants: Controlling generator and turbine actuators for power regulation.

• Water & Wastewater: Analog outputs for pump and valve control in treatment plants.

• Pharmaceuticals: Precise control for dosing and batch processes.

• Pulp and Paper Industry: Analog signal outputs to control pulp consistency and chemical additions.

Product Advantages

• High Accuracy & Reliability: 16-bit D/A conversion provides precise analog outputs.

• Electrical Isolation: Protects output signals and system from noise and surges.

• Advanced Diagnostics: Monitors short-circuits, out-of-range, and device status.

• Seamless System Integration: Compatible with CENTUM VP and ProSafe-RS systems.

• Compact Design: Space-saving module suitable for dense control cabinets.

• High-Speed Response: 50 ms update per channel ensures timely control actions.

• Industrial Environment Ready: Operates under wide temperature and humidity ranges.

FAQ

1. What output signal type does the NFAI543-500/A4500 support?

   4-20 mA DC analog signals for field devices.

2. How many output channels are available?

   It provides 16 analog output channels.

3. Does the module support electrical isolation?

   Yes, each channel is optically isolated from the system bus.

4. What is the D/A conversion resolution?

   The module provides 16-bit digital-to-analog conversion.

5. Are there any built-in diagnostics?

   Yes, it includes short-circuit detection and range monitoring.

6. What is the typical update time for outputs?

   Approximately 50 milliseconds per output channel.

7. Can this module control high-resistance loads?

   Yes, each channel supports loads up to 600 Ω.

8. Is it compatible with Yokogawa safety systems?

   Yes, fully compatible with CENTUM VP and ProSafe-RS systems.

9. Does it allow monitoring of output status?

   Yes, self-diagnostics enable status verification of all channels.

10. Can this module be used in redundant configurations?

    Yes, designed for high-integrity redundant system applications.