Product Details
Product Overview
The Yokogawa EB401-10 serves as the master-side ESB Bus Interface Module for the CENTUM CS 3000 Distributed Control System (DCS). This module installs into the Field Control Unit (FCU) to provide a high-speed communication gateway to remote I/O nodes. By utilizing Yokogawa’s Extended Serial Backplane (ESB) technology, the EB401-10 ensures deterministic data exchange, allowing the central processor to manage distributed field instrumentation with millisecond precision.
Part Number Breakdown
Yokogawa utilizes specific suffix codes to define the functional hardware profile:
| Code | Type | Description |
| EB401 | Model | ESB Bus Interface Module (Master Side) |
| -1 | Basic | Standard functional communication type |
| 0 | Protection | Standard type with no explosion protection |
Technical Specifications
The EB401-10 provides a high-integrity bridge for DCS network traffic:
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Manufacturer: Yokogawa
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Module Type: ESB Bus Interface (Master/FCU Side)
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System Compatibility: CENTUM CS 3000, CS 1000
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Transmission Speed: 128 Mbps
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Interface Port: Dual connectors for ESB Bus cable links
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Power Consumption: Optimized for FCU backplane power
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Condition: 100% Brand New and Original
Engineering Advantages
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Deterministic Signal Integrity: The EB401-10 delivers a constant 128 Mbps throughput. This dedicated bandwidth eliminates the "best-effort" latencies of standard Ethernet, ensuring that critical process variables update within the controller's exact scan interval.
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Dual-Bus Redundancy: To maximize plant availability, the EB401-10 supports redundant configurations. In the event of a cable break or primary module fault, the system switches communication to the standby path instantaneously without interrupting the control logic.
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Long-Distance I/O Expansion: This module acts as the central hub, allowing the DCS to control I/O nodes located in remote cabinets. This architecture simplifies field wiring by decentralizing the I/O while maintaining centralized processing power at the FCU.
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Robust Noise Immunity: Engineered for heavy industrial environments, the EB401-10 features advanced signal conditioning. It maintains high-fidelity data transport even in areas with significant electromagnetic interference (EMI), protecting the system from data corruption.
FAQs
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Is this Yokogawa EB401-10 unit supplied as new or refurbished?
We supply this module exclusively as 100% Brand New and Original equipment. Every unit arrives in its original Yokogawa factory-sealed packaging, ensuring zero previous usage and the highest reliability for your mission-critical DCS.
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What is the primary difference between the EB401 and the SB401?
The EB401-10 is the Master Interface located in the Field Control Unit (FCU). In contrast, the SB401 is the Slave Interface located in the remote I/O node. You must use an EB401 in the FCU to communicate with the slave modules in the field racks.
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Does the EB401-10 require manual address configuration?
The EB401-10 identifies itself based on its slot position within the FCU nest. However, you must configure the corresponding node parameters in the CENTUM Engineering Station software to ensure the system recognizes the downstream remote I/O nodes.
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Can I replace an EB401-10 while the system is running?
In a redundant configuration, the EB401-10 supports online replacement. Ensure the "ACT" LED on the partner module is steady before removal. We recommend following the specific Yokogawa maintenance procedures to ensure bus stability during the swap.
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 Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.