Yokogawa ALE111-S51 Ethernet Communication Module – CENTUM VP Distributed Control System
When an Ethernet communication module fails in a live DCS environment, the consequences are immediate and severe: field devices go silent, operator stations lose real-time data, and process engineers are left flying blind in the middle of a critical production run. In oil refineries, chemical plants, and power generation facilities, even minutes of communication loss can trigger emergency shutdowns, product quality deviations, or safety incidents. The Yokogawa ALE111-S51 is the purpose-built solution that keeps your plant network alive — a dedicated Ethernet communication module engineered to sustain uninterrupted data exchange between field controllers and supervisory systems.
Within the CENTUM VP architecture — Yokogawa’s flagship integrated production control platform trusted by thousands of plants worldwide — the ALE111-S51 occupies a critical role as the network backbone interface. It enables high-speed, deterministic Ethernet communication across the Vnet/IP control network, supporting redundant configurations that eliminate single points of failure. As CENTUM VP continues to dominate the global DCS market in refining, petrochemical, and LNG sectors, the ALE111-S51 remains one of the most specified communication modules for both greenfield projects and brownfield upgrades.
Technical Specifications
- Part Number / SKU: ALE111-S51
- Manufacturer: Yokogawa Electric Corporation
- Series: CENTUM VP
- Module Type: Ethernet Communication Module
- Network Protocol: Vnet/IP (Ethernet-based control network)
- Communication Standard: IEEE 802.3 Ethernet
- Weight: 260 g
- Mounting: DCS cabinet rack-mount, CENTUM VP compatible backplane
- Operating Environment: Industrial-grade, suitable for control room and field cabinet installation
- Redundancy Support: Yes — supports dual-redundant network configurations
- Condition Available: New (factory), Refurbished, Tested Used
Note: Full electrical specifications (voltage, current draw, port count, data rate) should be confirmed against the official Yokogawa ALE111-S51 datasheet or contact our technical team for documentation.
Key Features & Benefits
- Vnet/IP Native Support: Designed specifically for Yokogawa’s Vnet/IP control network, ensuring deterministic, low-latency communication between CENTUM VP nodes.
- Redundant Network Architecture: Supports dual-path Ethernet configurations, eliminating communication single points of failure in safety-critical processes.
- Seamless CENTUM VP Integration: Plug-and-play compatibility with CENTUM VP field control stations (FCS), human interface stations (HIS), and engineering workstations.
- Industrial Reliability: Built to Yokogawa’s stringent quality standards for continuous 24/7 operation in harsh industrial environments.
- Scalable Architecture: Supports large-scale plant networks with multiple FCS nodes, making it suitable for both small process units and complex refinery-wide DCS networks.
- Fast Replacement Availability: Konmask.com maintains sourcing channels for rapid delivery, minimizing plant downtime during emergency replacements.
Industry & Equipment Applications
- Oil & Gas Refining: Crude distillation units, hydrotreaters, and FCC units running CENTUM VP DCS with Vnet/IP backbone.
- Petrochemical & Chemical Plants: Continuous process control systems requiring high-availability Ethernet communication between controllers and operator stations.
- LNG Terminals & Gas Processing: Safety-instrumented and process control networks where communication redundancy is mandatory.
- Power Generation: Boiler control, turbine management, and balance-of-plant systems integrated into CENTUM VP architectures.
- Pulp & Paper / Food & Beverage: Large-scale batch and continuous process plants standardized on Yokogawa CENTUM VP.
- Water & Wastewater Treatment: Municipal and industrial water treatment facilities using CENTUM VP for SCADA and process control integration.
System Integration & Compatible Parts
The ALE111-S51 is designed to operate within the broader CENTUM VP ecosystem. Compatible and commonly co-specified components include:
- CENTUM VP Field Control Stations (FCS) — e.g., AFV10D, AFV30D series
- CENTUM VP Human Interface Stations (HIS)
- Vnet/IP network switches and hubs (Yokogawa-qualified)
- I/O modules: AAI143, AAI543, AAI841, ADV151, ADV551 series
- Power supply modules: APS11D, APS12D
- Redundant CPU modules: ACF11, ACF12 series
Contact our engineering team to verify compatibility with your specific CENTUM VP revision and network topology before ordering.
Our Quality Assurance Process
- Source Verification: All modules are sourced from authorized distributors, certified resellers, or directly from decommissioned plant inventories with documented maintenance history.
- Visual & Physical Inspection: Each unit is inspected for physical damage, connector integrity, label authenticity, and firmware version markings.
- Functional Testing: Where applicable, modules undergo power-on and communication handshake testing prior to shipment.
- Anti-Counterfeit Screening: We cross-reference serial numbers and hardware markings against known Yokogawa manufacturing standards.
- Secure Packaging: ESD-safe packaging with moisture barrier bags and shock-absorbing materials for international shipping.
How to Order
- Submit your inquiry via the Contact / Request a Quote form on this page.
- Provide your required quantity, delivery timeline, and destination country.
- Our team will confirm stock availability, lead time, and pricing within 24 business hours.
- Upon agreement, we issue a proforma invoice and arrange secure international shipping (DHL, FedEx, or freight forwarder).
- Full documentation (test report, packing list, commercial invoice, COO) provided with every shipment.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on DCS, PLC, and industrial automation components — not a generalist marketplace.
- Global Sourcing Network: Access to hard-to-find and obsolete Yokogawa parts through our verified supplier network across Asia, Europe, and North America.
- Technical Support: Our team includes engineers with hands-on CENTUM VP experience who can assist with compatibility and integration questions.
- Fast Response: Inquiry responses within 24 hours. Emergency sourcing support available for plant shutdown situations.
- Trusted by Industry: Serving procurement engineers and maintenance teams at refineries, chemical plants, and power stations worldwide.
Frequently Asked Questions
- Q: Is the ALE111-S51 compatible with older CENTUM CS 3000 systems?
- A: The ALE111-S51 is designed for the CENTUM VP platform. Compatibility with CENTUM CS 3000 depends on the specific revision and network configuration. Please contact our team with your system details for a compatibility assessment.
- Q: Do you supply new or refurbished units?
- A: We supply both new (factory-sealed) and professionally refurbished/tested units depending on availability. Condition is clearly stated in your quotation.
- Q: What is the typical lead time for the ALE111-S51?
- A: Lead time varies by stock availability. In-stock units typically ship within 3–5 business days internationally. Contact us for current availability.
- Q: Can you provide a certificate of conformance or test report?
- A: Yes. Documentation including inspection reports and packing lists is provided with every order. Additional certifications can be arranged upon request.
- Q: Do you accept returns if the module is not compatible?
- A: We recommend confirming compatibility before ordering. Our team is available to assist pre-purchase. Return policies are outlined in our terms and conditions.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
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