Excellent PLC
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| Mobile | +8613666033393 | |||||||
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| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Yokogawa EC401-51 S3 ESB Bus Coupler Module is a critical interface component for connecting Field Control Units (FCUs) to the Enhanced System Bus (ESB) in distributed control systems. This module acts as a bridge between ESB field devices and the main control network, providing high-speed, reliable communication for process automation and control.
Designed for mission-critical industrial applications, the EC401-51 S3 supports dual-redundant configurations, ensuring uninterrupted data flow even in the event of a communication channel failure. It features advanced diagnostics, error detection, and LED indicators for real-time status monitoring. Its compact modular design allows easy integration into existing Yokogawa systems, making it suitable for industries such as oil & gas, chemical, petrochemical, and power generation.
Product Specifications
| Parameter | Description |
|---|---|
| Model | EC401-51 S3 |
| Function | ESB Bus Coupler Module |
| Communication Protocol | ESB (Enhanced System Bus) |
| Data Transmission Speed | High-speed synchronous communication |
| Number of Connectable Units | Up to 9 units |
| Power Supply | 24 V DC (nominal) |
| Current Consumption | Approx. 0.5 A |
| Operating Temperature | 0°C to +55°C |
| Storage Temperature | -20°C to +70°C |
| Relative Humidity | 5% to 95% RH (non-condensing) |
| Installation Method | Rack-mounted in FCU |
| Redundancy Support | Dual-redundant communication paths |
| Diagnostic Features | Self-diagnostics, Error Logging, LED Status |
| Firmware Update | Supported (online upgrade) |
| Compliance | CE, RoHS |
| Dimensions (H × W × D) | 130 x 129.5 x 32.8 mm |
| Weight | 0.24 kg |
Applications
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Distributed Control Systems (DCS): Connects FCUs to Node Units and field devices for reliable communication.
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Process Automation: Supports continuous data exchange for automated control processes.
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Redundant Industrial Systems: Maintains operation in safety-critical environments.
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Power Generation: Enables stable monitoring and control in power plants.
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Oil & Gas Industry: Ensures accurate and stable communication for upstream, midstream, and downstream operations.
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Chemical & Petrochemical Plants: Supports complex process control and hazardous area communication.
Product Advantages
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High-Speed Communication: Ensures rapid and reliable data transfer across ESB networks.
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Dual-Redundancy Support: Maintains uninterrupted communication even if one path fails.
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Compact, Modular Design: Simplifies installation and integration into existing racks.
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Advanced Diagnostics: Self-diagnostics, error logging, and LED indicators facilitate proactive maintenance.
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Wide Compatibility: Works with various Yokogawa FCUs and Node Units.
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Certified Compliance: CE and RoHS approved for safety and environmental standards.
FAQ
1. What is the main function of the EC401-51 S3 module?
It connects Field Control Units to the Enhanced System Bus, enabling high-speed, reliable communication in a DCS.
2. How many units can EC401-51 S3 support?
It supports up to 9 connectable ESB devices depending on system configuration.
3. Does the module support redundant communication?
Yes, dual-redundant communication paths are supported for fail-safe operation.
4. Can the module be replaced without shutting down the system?
Yes, it supports online replacement and integration.
5. What diagnostic features does it include?
Self-diagnostics, error logging, and LED indicators for status monitoring.
6. Is EC401-51 S3 compatible with Yokogawa CENTUM VP?
Yes, it integrates seamlessly with CENTUM VP and other DCS platforms.
7. What is the current consumption of the module?
The module consumes approximately 0.5 A at 24 V DC.
8. What temperature ranges can it operate in?
It operates safely between 0°C and +55°C.
9. How does it handle EMI/EMC interference?
It is designed according to IEC standards for EMI/EMC protection.
10. Can firmware be updated while the module is operational?
Yes, it supports online firmware updates without system shutdown.
Related Models (Same Series or Functionality)
| Model | Description |
|---|---|
| EC401-50 | ESB Bus Coupler Module |
| EC402-51 | ESB Bus Coupler with Extended Diagnostics |
| EC403-52 | High-Speed ESB Coupler Module |
| EC410-50 | Redundant ESB Coupler Module |
| ESB100 | ESB Bus Expansion Coupler |
| EC420-51 | Advanced ESB Coupler with Dual Redundancy |
Popular Yokogawa Models
| Model | Description |
|---|---|
| AAI143-S00 | 16-Channel Analog Input Module |
| AAM50 | Multi-Point Input Module for Field Devices |
| ADV151 | 16-Point Digital Output Module |
| CP451-10 | High-Performance CPU Module for CENTUM VP |
| PW482-50 | Redundant Power Supply Module |
| ATD5A-00 | Temperature Input Module for DCS Systems |
