Ethernet Communication Solution – Yokogawa ALE111-S51 S1 | CENTUM VP / CS 3000 Series
Where This Product Is Used
The Yokogawa ALE111-S51 S1 Ethernet Communication Module is deployed in mission-critical industrial automation environments where deterministic, high-speed data exchange between field controllers and supervisory systems is non-negotiable. Typical installation sites include:
- Oil & Gas Refineries – Real-time process data transmission between CENTUM VP DCS controllers and plant historian/SCADA systems over Vnet/IP Ethernet backbone.
- Chemical & Petrochemical Plants – Redundant Ethernet communication for continuous process monitoring, ensuring zero data loss during failover events.
- Power Generation Facilities – Integration of turbine control loops with plant-wide DCS networks via IEEE 802.3 compliant Ethernet links.
- Pulp & Paper Mills – High-throughput data acquisition from distributed I/O nodes across large-footprint production floors.
- Pharmaceutical Manufacturing – GMP-compliant process data logging and batch record communication in validated automation environments.
- LNG & Offshore Platforms – Ruggedized Ethernet communication in harsh environments requiring SIL-rated control system integrity.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | ALE111-S51 S1 |
| Manufacturer | Yokogawa Electric Corporation |
| Compatible Platform | CENTUM VP, CENTUM CS 3000 |
| Module Type | Ethernet Communication Module |
| Communication Standard | IEEE 802.3 (Ethernet), Vnet/IP |
| Suffix S51 | Indicates specific hardware/firmware revision |
| Suffix S1 | Standard single-port configuration |
| Mounting | DCS Field Control Station (FCS) backplane |
| Power Supply | Supplied via backplane bus |
| Weight | Approx. 300 g |
| Operating Temperature | 0°C to 55°C (standard industrial range) |
| Certifications | CE, UL (refer to Yokogawa datasheet for full listing) |
Why Engineers Specify This Model
- Platform Compatibility – Designed exclusively for Yokogawa CENTUM VP and CS 3000 architectures; plug-and-play replacement with no firmware reconfiguration required when suffix codes match.
- Deterministic Latency – Vnet/IP protocol ensures cycle-synchronous data exchange critical for closed-loop control applications.
- Redundancy Support – Supports dual-redundant Ethernet ring topologies, eliminating single points of failure in the communication layer.
- Long Service Life – Yokogawa’s modular DCS philosophy guarantees backward compatibility across platform generations, protecting capital investment.
- Simplified Maintenance – Hot-swap capable within the FCS chassis; minimizes planned downtime during module replacement.
- Proven Field Record – Widely deployed across global process industries since CENTUM CS 3000 / VP platform adoption.
Complete System Bill of Materials
For a fully operational Yokogawa CENTUM VP Ethernet communication node, engineers typically specify the following alongside the ALE111-S51 S1:
- Yokogawa AFV10D / AFV30D – Field Control Station (FCS) chassis
- Yokogawa AIP588 – Power Supply Module for FCS
- Yokogawa ACM12 / ACM22 – CPU Module (Field Control Unit)
- Yokogawa AAI141 / AAI841 – Analog I/O Modules
- Yokogawa ADV151 / ADV551 – Digital I/O Modules
- Vnet/IP Ethernet Switch (managed, industrial-grade, e.g., Hirschmann or Cisco IE series)
- Fiber optic patch cables or Cat6A shielded cables (application-dependent)
- Yokogawa CENTUM VP Engineering Workstation (EWS) license
Compliance & Industry Standards
- IEC 61511 – Functional Safety for Process Industry Sectors (system-level SIL compliance when integrated with ProSafe-RS)
- IEC 61784 – Industrial Communication Networks (Vnet/IP fieldbus profile)
- IEEE 802.3 – Ethernet standard compliance
- CE Marking – European conformity for EMC and Low Voltage Directive
- UL Listed – North American safety certification
- RoHS Compliant – Restriction of Hazardous Substances
Quality Assurance & Sourcing
At Konmask.com, every Yokogawa module undergoes a structured verification process before dispatch:
- Authenticity Verification – Part numbers, suffix codes, and date codes are cross-referenced against Yokogawa’s official product documentation.
- Visual & Functional Inspection – Modules are inspected for physical integrity, connector condition, and label legibility.
- Traceability – Each unit is traceable to its supply chain origin; documentation available upon request for regulated industries.
- Packaging – Anti-static ESD packaging with desiccant; double-boxed for international freight.
- Warranty – 12-month replacement warranty against manufacturing defects under normal operating conditions.
How to Source This Part
- Confirm your suffix codes – Verify that ALE111-S51 S1 matches your existing FCS slot and CENTUM VP version. Check your system’s hardware configuration report (HCF) in the CENTUM VP Engineering Environment.
- Check stock availability – Contact us via the form below or email support@konmask.com for real-time inventory confirmation.
- Request a quotation – Provide your required quantity, delivery address, and any urgency requirements. We respond within 1 business day.
- Place your order – Secure checkout via this product page. We accept T/T bank transfer, credit card, and PayPal for international orders.
- Shipping & Lead Time – In-stock units ship within 2–3 business days. Express DHL/FedEx options available for urgent plant shutdowns.
Application-Specific FAQ
Q: Is the ALE111-S51 S1 compatible with CENTUM CS 3000 as well as CENTUM VP?
A: Yes. The ALE111 series is cross-compatible with both CENTUM CS 3000 R3 and CENTUM VP platforms, provided the suffix codes and FCS hardware generation are matched correctly.
Q: Can this module be used in a redundant Ethernet configuration?
A: Yes. When paired with a second ALE111 module in the same FCS chassis, Vnet/IP supports dual-redundant ring topology with automatic failover.
Q: What is the difference between suffix S51 and other ALE111 variants?
A: The S51 suffix denotes a specific hardware revision with enhanced EMC performance and updated firmware baseline. Always match the suffix to your existing installed base to ensure seamless replacement.
Q: Do you provide a certificate of conformance (CoC)?
A: Yes. A CoC is available upon request for all orders. Please specify your requirement at the time of purchase.
Q: What is the lead time for out-of-stock units?
A: For units not in current stock, typical sourcing lead time is 2–6 weeks depending on global supply chain conditions. Contact us early for planned maintenance shutdowns.
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