This analog input module delivers precise signal conversion for Yokogawa CENTUM VP distributed control systems. It transforms field sensor measurements into reliable digital values for process monitoring. We engineered the Yokogawa NFAI143-H00 as a high-accuracy input solution for critical process applications. This module handles a variety of analog signals from field transmitters and sensors. It ensures stable and repeatable measurements for your control strategies. Therefore, your CENTUM VP system receives dependable data for informed operational decisions.
Physical Configuration and System Integration
The Yokogawa NFAI143-H00 features a compact form factor for the CENTUM VP node cabinet. Its dimensions measure 120.0 mm in height, 52.0 mm in width, and 125.0 mm in depth. The module weighs approximately 0.35 kilograms for straightforward installation procedures. This unit occupies a single slot in the ESB bus node. It connects to field wiring via the front-panel dedicated connector. The module provides LED indicators for power, communication, and channel status.
Input Specifications and Performance Characteristics
This analog input module offers 8 isolated input channels for versatile field connectivity. Each channel accepts 4-20 mA signals from field transmitters and sensors. The Yokogawa NFAI143-H00 provides 16-bit resolution for exceptional measurement granularity. It features programmable input ranges and filtering options. The module includes HART protocol communication for smart device integration. It provides 1500 VAC isolation between field signals and the system bus. Consequently, this ensures accurate and reliable analog measurement in demanding environments.
Detailed Technical Specifications and Interface Details
We present the module’s comprehensive technical parameters and operational capabilities below.
| Specification | Detail |
|---|---|
| Part Number | Yokogawa NFAI143-H00 |
| Product Category | Analog Input Module |
| Dimensions (H x W x D) | 120.0 mm x 52.0 mm x 125.0 mm |
| Module Weight | Approximately 0.35 kg (0.77 lbs) |
| Number of Input Channels | 8 isolated input channels |
| Input Signal Type | 4-20 mA (with transmitter power supply) |
| Input Impedance | 250 Ω |
| Resolution | 16-bit |
| Accuracy | ±0.05% of full scale at 25°C |
| Temperature Drift | ±50 ppm/°C maximum |
| Update Rate | 100 ms typical per channel |
| Isolation Voltage | 1500 VAC (field to system bus) |
| HART Support | HART 5, HART 7 compatible |
| Transmitter Power Supply | 24 VDC, 30 mA per channel |
| Diagnostic Features | Open-circuit detection, over-range detection |
| Filtering | Programmable digital filter (50/60 Hz rejection) |
| Common Mode Rejection | > 100 dB |
| Field Wiring Connector | Front-panel dedicated connector |
| Bus Interface | ESB bus compatible |
| Diagnostic Indicators | Green (RUN), red (ERR), yellow (CH) LEDs |
| Power Supply Voltage | 5 VDC (from backplane) |
| Power Consumption | 2.5 W typical |
| Operating Temperature | 0°C to 55°C (32°F to 131°F) |
| Storage Temperature | -20°C to 70°C (-4°F to 158°F) |
| Compliance | CE, RoHS |
Details
| Weight | 0.35 kg |
|---|---|
| Dimensions | 120 × 52 × 125 mm |
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