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Yokogawa EC401-50 ESB Bus Coupler Module for CENTUM VP & FIO Systems
| Product ID | Yokogawa EC401-50 ESB Bus Coupler Module | Model Number | EC401-50 |
|---|---|---|---|
| Function | Good | Warranty | 1 Year |
| Series | EC401-50 | Condition | New |
| Highlight | Yokogawa EC401-50 ESB Bus Coupler,CENTUM VP FIO Bus Coupler Module,PLC Module with ESB Bus Coupler |
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Reliable field bus communication is the backbone of a stable distributed control system. As industrial plants continue to expand their automation infrastructure, dependable communication between Field Control Units (FCUs) and remote I/O node units becomes essential for maintaining continuous production and minimizing system downtime. The Yokogawa EC401-50 is a dedicated ESB Bus Coupler Module designed for CENTUM VP, CENTUM CS 3000, and FIO/N-IO architectures. It provides a stable ESB bus interface, enabling high-speed communication between the FCU and ESB Node Units while supporting reliable long-term operation in demanding industrial environments.
| Model Number | EC401-50 |
|---|---|
| Other Models | AAI135-S00 ALR121-S01 AAI135-S00 AAI141-S00 AAV144-S50 ADR541-P00 ADR541-P50 |
The EC401-50 is commonly used in process industries where reliable communication between Field Control Units and remote I/O stations is essential for continuous operation. Its primary function is to provide a stable ESB bus interface, supporting high-speed data exchange and redundant communication architecture. Using the correct ESB Bus Coupler helps improve network reliability, simplify system maintenance, and reduce the risk of communication-related downtime.
Saudi Arabia, UAE, Germany, Brazil, India, and more than a hundred other countries
- Factory Automation
- Machine Control
- Chemical Processing
- Water & Wastewater Treatment
- Packaging Equipment
- Power Generation
- Process Manufacturing
- Over 10 years of experience in supplying automation modules
- Products exported to more than 50 countries
- Established long-term partnerships with international logistics providers including DHL, FedEx and UPS, ensuring fast delivery
- Large in-stock inventory for quick delivery and short lead times
Professional installation is essential to ensure optimal performance, operational safety, and compliance with industry standards. Proper implementation is critical for reliable system integration and long-term operational efficiency.
- Professional installation required for optimal performance and safety
- Ensure proper mounting and adequate ventilation
- Comply with all applicable electrical safety standards

