Product Details
Product Overview
The Yokogawa NFAI143-S50 functions as a high-density analog input interface specifically engineered for the STARDOM autonomous controller network. This module facilitates the precision monitoring of field instruments by converting standard current signals into digital data. We supply this unit as 100% Brand New and Original, ensuring your facility maintains peak measurement integrity without the failure risks of refurbished components.
Part Number Breakdown
| Suffix Code | Functional Specification |
| NFAI143 | Base Model: 16-Channel Isolated Analog Input Module |
| -S | Standard Type for general industrial deployment |
| 5 | High-performance hardware revision for STARDOM controllers |
| 0 | Basic configuration (No specialized conformal coating) |
Technical Specifications
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Manufacturer: Yokogawa Electric Corporation
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Input Channels: 16 Channels (Individual Electrical Isolation)
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Input Signal Range: 4 to 20 mA / 0 to 20 mA DC
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System Compatibility: Yokogawa STARDOM FCN/FCJ
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Weight: 0.3 kg
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Dimensions: 482 (W) x 210 (H) x 220 (D) mm
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Accuracy: High-precision A/D conversion for sensitive process variables
Engineering Advantages
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Total Signal Isolation: Unlike non-isolated modules, the NFAI143-S50 isolates every input channel. This prevents ground loops and ensures that a surge on one sensor does not propagate to other channels.
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High-Density Integration: Packing 16 isolated channels into a 0.3 kg module maximizes rack density, reducing the total number of sub-nodes required for large-scale deployments.
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EMI/RFI Resistance: The module hardware employs advanced shielding to filter out electromagnetic interference common in high-voltage industrial environments.
FAQs
Q: Can the NFAI143-S50 handle 0-20 mA signals?
A: Yes. The module supports both 4-20 mA and 0-20 mA signal types, configured via the STARDOM controller software settings.
Q: Does this module require a separate external power supply for the loops?
A: Depending on your wiring configuration (2-wire vs. 4-wire transmitters), you may need to provide loop power via the baseplate or an external 24V DC supply.
Q: Is the unit shipped in factory-sealed packaging?
A: We guarantee every NFAI143-S50 arrives in its original Yokogawa factory box with the manufacturer’s certificate of origin and security seal.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.