Product Details
Product Overview
The Yokogawa ALE111-S53 functions as a specialized Ethernet interface module within the CENTUM control ecosystem. This module executes Modbus and DNP3 slave communication protocols, linking field control stations with external subsystems. It provides a reliable 10BASE-T physical layer connection via a standard RJ-45 port. We supply this unit as 100% Brand New and Original, ensuring full compatibility with your existing Yokogawa network infrastructure.
Part Number Breakdown
| Code | Specification | Description |
| ALE111 | Base Model | Ethernet Communication Module |
| -S | Type | Standard type |
| 5 | Explosion Protection | Standard (non-Ex) |
| 3 | Version | Current hardware revision |
Technical Specifications
| Feature | Specification |
| Interface | IEEE 802.3 10BASE-T (Half-duplex) |
| Connector | RJ-45 |
| Transmission Speed | 10 Mbps |
| Transmission Distance | 100 m (per segment) |
| Communication Protocols | Modbus Slave, DNP3 Slave |
| Media Access Control | CSMA/CD |
| Current Consumption | 0.5 A |
| Weight | Approx. 0.3 kg |
Engineering Advantages
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Native Protocol Support: The ALE111-S53 processes Modbus and DNP3 commands at the hardware level. This offloads communication overhead from the main controller CPU, maintaining high scan-rate performance in the control network.
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Standardized Physical Layer: The module utilizes a standard 100-ohm unshielded twisted-pair interface. This simplifies physical integration with standard Ethernet switches and hubs, removing the need for proprietary cabling.
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Versatile Compatibility: The module mounts directly onto SSC60, SSC50, SSC57, and SNB10D series hardware. Its compact 0.3 kg design allows for easy installation in high-density control cabinets where vertical space remains at a premium.
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Deterministic Throughput: By utilizing the CSMA/CD access method, the module manages bandwidth effectively in point-to-point connections, ensuring predictable packet delivery to external supervisory systems or HMIs.
FAQs
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Does this module support full-duplex Ethernet communication?
No. The ALE111-S53 operates strictly on the IEEE 802.3 10BASE-T Half-duplex standard. Ensure your connected network switch or hub supports half-duplex auto-negotiation or manual port configuration.
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Can I use this module to connect to standard IT office networks?
You can physically connect the module to standard networks; however, ensure the communication traffic remains restricted to the Industrial Automation protocols (Modbus/DNP3) to prevent packet collisions and network congestion.
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What is the maximum cable length between this module and the hub?
The module supports a maximum segment length of 100 meters. If your architecture requires longer runs, you must install an intermediate Ethernet switch or repeater.
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Can the ALE111-S53 act as a Modbus Master?
No, this specific model operates as a Modbus/DNP3 Slave. It responds to external requests; it does not initiate communication sequences to other slave devices.
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
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Sequencing Induction Motor Control with PLC Logic: Best Practices
In modern industrial automation, controlling a group of induction motors requires precision and safety. Uncontrolled simultaneous startup of multiple large motors often causes significant voltage dips, potentially triggering protective trips. Therefore, implementing a sequential startup and shutdown strategy is essential. This approach minimizes inrush current and ensures the system operates within established power constraints. A robust PLC program serves as the ideal engine for orchestrating these sequences.
Mastering PLC Programming: Best Practices for Robust Industrial Automation
Writing clean PLC code requires discipline, especially regarding memory management. Avoid overusing SET and RESET instructions, as they often complicate debugging. If multiple rungs control the same bit, troubleshooting becomes a nightmare. Instead, focus on energizing a bit in only one location. If your logic requires complex conditions, use branches within a single rung. This approach keeps your code readable, maintainable, and significantly easier to audit during downtime.