ALE111-S51-S1 Yokogawa Ethernet Module for CENTUM VP FCS
Manufacturer: Yokogawa
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Part Number: ALE111-S51-S1
Condition：New with Original Package
Product Type: Ethernet Communication Modules
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Country of Origin: Japan
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
Product Overview
The Yokogawa ALE111-S51-S1 acts as the primary bridge between the CENTUM VP Field Control Station (FCS) and external Ethernet-based subsystems. This 100% brand new original module eliminates communication barriers by providing a dedicated path for high-speed data exchange. It enables the FCS to command and monitor third-party controllers, transforming isolated PLC islands into a unified DCS architecture. By supporting industry-standard slave protocols, the ALE111-S51-S1 ensures your control system remains open, scalable, and highly responsive.
Part Number Breakdown: ALE111
| Suffix Code | Description |
| ALE111 | Ethernet Communication Module (FCS use) |
| -S | Standard Service Type |
| 5 | Software License Included |
| 1 | Always 1 (Standard Revision) |
| -S1 | Hardware Style Code S1 (Enhanced Stability) |
Technical Specifications
The ALE111-S51-S1 combines a low-profile hardware footprint with robust protocol handling to maintain network determinism.
| Feature | Specification |
| Manufacturer | Yokogawa |
| Compatibility | CENTUM VP Field Control Station (FCS) |
| Protocols | Modbus Slave, DNP3 Slave |
| Third-Party Support | FA-M3, MELSEC, and generic Ethernet PLCs |
| Interface | Ethernet (RJ45 Port) |
| Power Consumption | 24 V DC Nominal |
| Mounting | FCS Rack-mounted |
| Operating Temp | 0°C to +60°C |
| Dimensions | 15.2 cm × 5.1 cm × 20.3 cm |
| Net Weight | 0.3 kg |
| HS Code | 8538900000 |
Engineering Advantages
The ALE111-S51-S1 addresses specific integration and performance challenges in modern automated facilities:
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Simplifies Multi-Vendor Integration: This module allows the CENTUM VP system to read from and write to MELSEC or FA-M3 PLCs via Modbus or DNP3. Engineers no longer need complex, custom-coded drivers to link disparate control platforms.
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Ensures Deterministic Data Flow: By offloading communication tasks from the main FCS processor to the ALE111-S51-S1, the system maintains stable control loop scan times even during periods of heavy network traffic.
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Minimizes Cabinet Footprint: The slim rack-mounted design fits directly into the FCS baseplate. This vertical orientation saves valuable DIN rail space and simplifies cable management within the control cabinet.
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Guarantees Industrial-Grade Reliability: Designed for a 0°C to 60°C operating range, the module withstands the thermal stresses of continuous 24/7 industrial operations without the risk of packet loss or hardware resets common in commercial-grade switches.
FAQs
How does the ALE111-S51-S1 handle data from third-party PLCs?
The module operates as a Modbus or DNP3 slave. It maps external data registers directly into the FCS internal database, allowing the DCS to treat PLC variables as native system points for trending, alarming, and control logic.
Is this module a direct replacement for older ALE111 versions?
Yes. The "-S1" style code indicates the latest hardware revision, offering improved components and thermal management. It remains backward compatible with standard ALE111 applications within the CENTUM VP environment.
Does the module require external power?
No. The ALE111-S51-S1 draws its 24 V DC power directly from the FCS backplane/baseplate upon installation, reducing the need for additional field wiring.
What documentation accompanies the "Brand New" unit?
Each 100% brand new unit ships with a Certificate of Origin (COO) and a comprehensive Test Report, verifying that the hardware meets Yokogawa’s rigorous quality and safety standards before leaving the facility.