Product Details
Product Overview
The Yokogawa AMN51 functions as a specialized interface module nest within the CENTUM CS 3000 Remote I/O (RIO) architecture. This chassis provides the mechanical framework and electrical backplane required to host communication interface modules that bridge field I/O data with the central control network. It centralizes signal processing and ensures high-speed data throughput between the node interface and the processing units.
Technical Specifications
The AMN51 provides a robust, compact footprint for industrial cabinet integration:
| Feature | Specification |
| Manufacturer | Yokogawa |
| Model | AMN51 |
| Width | 137.5 mm |
| Depth | 225 mm |
| Height | 254 mm |
| Weight | Max. 2.5 kg (excluding modules) |
| System Compatibility | Yokogawa RIO / CENTUM CS 3000 |
| Condition | 100% Brand New and Original |
Engineering Advantages
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Optimized Cabinet Integration: The 137.5 mm width allows for high-density mounting within standard industrial enclosures. This compact design saves significant rail space, enabling engineers to expand I/O capacity without requiring additional or larger cabinets.
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Thermal Management: The nest architecture incorporates vertical airflow paths. This design prevents heat accumulation around sensitive interface electronics, maintaining stable communication speeds even in elevated ambient temperatures common in process environments.
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Robust Signal Shielding: The metallic chassis design of the AMN51 effectively blocks electromagnetic interference (EMI). It protects the high-speed data bus from electrical noise generated by nearby variable frequency drives (VFDs) and high-power switchgear.
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Simplified Field Upgrades: Standardized mounting points and clear slot labeling facilitate rapid installation. Maintenance teams can install or replace interface modules in minutes, reducing system downtime during critical hardware updates.
FAQs
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Is the Yokogawa AMN51 supplied as a new or refurbished unit?
We supply the AMN51 as 100% Brand New and Original equipment. Every unit remains in its original factory packaging to guarantee the integrity of the backplane connectors and electrical components.
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What is the difference between AMN51 and AMN52 regarding weight?
The AMN51 and AMN52 share a similar physical architecture, but the AMN51 is optimized for specific interface configurations. The maximum weight of 2.5 kg ensures the nest remains manageable during single-person installation while providing sufficient structural rigidity.
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Does this nest include the I/O modules?
No. The AMN51 is the base rack (nest) only. You must order the specific communication or interface modules separately based on your system's protocol requirements (e.g., RIO bus).
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How do I ensure proper grounding for the AMN51?
The chassis features a dedicated grounding terminal. You must connect this to the cabinet’s common ground bus using a low-impedance conductor to ensure effective EMI shielding and personnel safety.
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.