The Yokogawa NFAI143-H50/A4S00 Analog Input Module is a critical component in Yokogawa’s advanced control system architecture, designed for high-precision acquisition and processing of analog signals in distributed control and safety systems. It provides reliable conversion of analog signals from field instruments into digital data, ensuring accurate monitoring and control in demanding industrial environments.

This module supports multiple analog input channels and offers high noise immunity, isolation, and HART communication capability, making it an excellent choice for applications requiring advanced diagnostics and system integrity. Engineered for seamless integration with Yokogawa’s CENTUM VP and ProSafe-RS systems, it adheres to international standards for performance, safety, and reliability.

Product Parameters

Product Applications

The NFAI143-H50/A4S00 is widely used in process automation systems where accurate signal acquisition and safety integrity are critical. Common application sectors include:

• Oil and Gas Industry: Monitoring pressure, temperature, and flow for production and refining processes.

• Chemical and Petrochemical: Accurate analog input for process control loops and safety shutdown systems.

• Power Generation: Measurement of critical plant parameters in thermal, nuclear, and renewable energy plants.

• Water Treatment Facilities: Monitoring levels, flow, and chemical dosing for process optimization.

• Pharmaceutical Manufacturing: Ensuring precise process control to meet regulatory compliance.

• Pulp and Paper: Continuous monitoring of flow and pressure for efficient operation.

Product Advantages

• High Accuracy & Reliability: 16-bit resolution ensures precise measurements for critical applications.

• HART-enabled: Supports digital communication for remote calibration and device diagnostics.

• Robust Isolation: Protects system integrity against electrical disturbances and noise.

• Advanced Diagnostics: Features self-diagnosis and error detection for improved uptime.

• Compact Modular Design: Simplifies installation and reduces panel space requirements.

• Seamless Integration: Fully compatible with Yokogawa’s CENTUM VP and ProSafe-RS systems.

• Optimized for Harsh Environments: Operates reliably under wide temperature and humidity ranges.

FAQ

1. What type of input signals does the NFAI143-H50/A4S00 support?

   It supports standard 4-20 mA DC analog signals with HART communication capability.

2. How many analog channels are provided by the module?

   The module offers 16 analog input channels.

3. Does the module support HART communication on all channels?

   Yes, it supports HART protocol on every channel.

4. What is the accuracy level of this module?

   It provides an accuracy of ±0.1% of the measured value.

5. What type of isolation is provided between channels and system bus?

   Optical isolation is implemented for electrical noise immunity and system protection.

6. What is the resolution of the analog-to-digital conversion?

   The module uses 16-bit A/D conversion for precise measurement.

7. Does the module include diagnostic functions?

   Yes, it includes open-circuit detection, range checks, and self-diagnostics.

8. What is the typical update time per channel?

   Approximately 50 milliseconds per channel.

9. Is this module suitable for redundant configurations?

   Yes, it is designed for high-integrity redundant control systems.

10. Can filtering of analog signals be configured?

    Yes, the module supports configurable filtering for noise suppression.