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- Yokogawa
- EC401-51 S3
- Bus Coupler Module
- Japan
- 130 x 129.5 x 32.8 mm
- 0.24 kg
- Xiamen, China
- New & In Stock
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Product Overview
The Yokogawa EC401-51 S3 is a Bus Coupler Module used in Yokogawa distributed control systems (DCS). It provides communication coupling within the ESB (Extended Serial Bus) architecture, enabling coordinated and reliable data exchange between processor modules, I/O subsystems, and other control system components.
It is designed for high-reliability industrial environments where continuous operation and stable real-time communication are essential.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | EC401-51 S3 |
| Product Type | Bus Coupler Module |
| Function | ESB communication coupling interface |
| Application | Distributed Control System (DCS) |
| Mounting Type | Rack-mounted module |
| Communication | ESB (Extended Serial Bus) |
| Operating Environment | Industrial automation systems |
| Dimensions | 130 × 129.5 × 32.8 mm |
| Weight | 0.24 kg |
Function and Working Principle
The EC401-51 S3 operates as a communication bridge within Yokogawa ESB-based control systems. Its key functions include:
- Coupling ESB bus segments for system-wide communication
- Enabling data exchange between processors and I/O modules
- Maintaining synchronized real-time communication across system components
- Supporting diagnostic and operational data transfer within the control network
The module continuously manages communication traffic to ensure stable and reliable automation performance.
Role in Industrial Systems
This module provides:
- Stable ESB communication across distributed control systems
- Coordination between controllers and field I/O modules
- Real-time process data transfer and synchronization
- System-wide monitoring and diagnostic support
It is a key component in Yokogawa ESB-based distributed control architectures.
Industrial Applications
- Oil and gas processing facilities
- Petrochemical and chemical plants
- Power generation systems
- Water and wastewater treatment plants
- Large-scale industrial automation systems
Installation Notes
- Installed in compatible Yokogawa system racks
- Requires correct ESB configuration and system addressing
- Proper grounding and cabinet ventilation are required
- Compatibility with connected modules must be verified before commissioning
Compatible Equipment
- Yokogawa ESB-based DCS systems
- Yokogawa processor modules
- Yokogawa I/O modules
- Industrial automation communication networks
Key Advantages
- Reliable ESB communication performance
- Stable real-time data exchange
- Seamless integration with Yokogawa systems
- Compact industrial-grade construction
- Supports large-scale distributed control systems
Limitations
- Designed specifically for Yokogawa ESB platforms
- Requires compatible system infrastructure
- Limited interoperability with third-party automation systems
Conclusion
The Yokogawa EC401-51 S3 Bus Coupler Module is a reliable communication component used in Yokogawa distributed control systems.
It ensures stable ESB bus connectivity and synchronized data transfer, supporting efficient and continuous industrial automation and process control operations.