Product Details
Product Overview
The Yokogawa SCE401-11 acts as a critical communication bridge within the ProSafe-RS safety instrumented system and CENTUM VP integrated control environments. This Bus Coupler Module synchronizes data traffic between the safety control station and expanded I/O nodes, ensuring millisecond-level response times for emergency shutdown (ESD) and fire and gas (F&G) applications. We supply this module as 100% Brand New and original, guaranteeing that your safety-critical infrastructure operates with factory-certified precision and integrity.
Part Number Breakdown
Yokogawa uses a specific alphanumeric suffix to define the hardware revision and communication speed for the SCE401 series:
| Code Segment | Technical Significance |
| SCE401 | Base Model: Bus Coupler Module for safety/control networks |
| -1 | Hardware Revision: Optimized for ProSafe-RS R3 and later |
| 1 | System Version: Standard performance tier for CENTUM VP integration |
Technical Specifications
The SCE401-11 features a slim, high-density design to minimize the footprint within safety racks.
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Manufacturer: Yokogawa Electric Corporation
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Series Compatibility: ProSafe-RS, CENTUM VP
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Product Type: Bus Coupler Module
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Dimensions: 224 mm (H) x 24 mm (W) x 150 mm (D)
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Weight: 1.0 kg
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Mounting: Standard sub-rack installation
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Condition: 100% Brand New and Original
Engineering Advantages
The SCE401-11 addresses the rigorous demands of safety-certified industrial environments:
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Ultra-Slim Profile for High-Density Racks: The 24 mm width allows engineers to install more modules per sub-rack. This maximizes cabinet space and reduces the overall hardware footprint in offshore platforms or compact control rooms.
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Deterministic Safety Communication: This module enforces strict timing for bus cycles. It prevents network jitter, ensuring that the safety controller receives field data and executes shutdown logic within the SIL-rated time window.
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Enhanced EMI Shielding: Yokogawa utilizes advanced internal circuitry to reject electromagnetic noise from high-voltage switchgear. This maintains signal purity across the bus, preventing false trips or communication timeouts in electrically noisy plant areas.
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Seamless SIS/DCS Integration: The SCE401-11 streamlines the connection between the Safety Instrumented System (SIS) and the Distributed Control System (DCS). This native integration allows operators to monitor safety parameters directly from the CENTUM VP HIS without requiring complex third-party gateways.
FAQs
Does the SCE401-11 support redundant bus configurations?
Yes. For safety-critical loops, you should install a pair of SCE401-11 modules in a duplexed configuration. The system automatically manages failover between the modules to ensure the bus remains active if one unit encounters a fault.
Is this module compatible with older ProSafe-RS versions?
The SCE401-11 primarily supports ProSafe-RS and CENTUM VP R3 and above. If you are upgrading an older system, verify your current backplane and firmware revisions to ensure full driver compatibility.
What precautions should I take during installation?
Ensure the sub-rack power remains off before inserting the SCE401-11 to prevent electrostatic discharge (ESD) damage to the backplane pins. After insertion, tighten the module's retaining screws to maintain a secure ground connection and prevent vibration-induced loosening.
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.