Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Yokogawa EB402-50 ER Bus Interface Master Module is an advanced communication interface designed for high-reliability distributed control systems (DCS). Serving as a master module in the ER Bus network, it enables precise and high-speed communication between system controllers and field I/O devices.
This module is engineered to deliver robust performance in critical industrial operations, featuring redundancy, self-diagnostics, and real-time error detection. Its design ensures seamless integration with Yokogawa CENTUM VP and other process automation platforms, making it an ideal choice for sectors like oil & gas, petrochemicals, power generation, and large-scale process automation.
The EB402-50 is optimized to handle complex process data, maintain system reliability under heavy loads, and operate efficiently in harsh industrial environments. Its dual-redundancy capability ensures that data transfer remains uninterrupted, even if one communication path fails, thereby improving system availability and safety.
Product Specifications
| Parameter | Description |
|---|---|
| Model | EB402-50 |
| Function | ER Bus Interface Master Module |
| Communication Protocol | ER Bus |
| Data Transmission | High-speed synchronous communication |
| Power Supply | 24 V DC (nominal) |
| Power Consumption | Approx. 6.5 W |
| 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 system frame |
| Redundancy Support | Dual communication channels |
| Diagnostic Features | Self-diagnostic, Error Logging, LED Status |
| Firmware Upgrade | Supported (online upgrade) |
| Compliance | CE, RoHS |
| Dimensions (H × W × D) | 144.65 x 130 x 32.8 mm |
| Weight | 0.3 kg |
Applications
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Distributed Control Systems (DCS): Provides a master interface to manage ER Bus communication with multiple field devices.
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Process Automation: Ensures reliable, high-speed data transfer for complex processes.
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Safety-Critical Systems: Dual-redundancy ensures continuous communication even during failure events.
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Power Plants: Enhances operational reliability and data integrity in power generation networks.
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Oil & Gas Operations: Maintains stable, accurate data exchange in upstream, midstream, and downstream processes.
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Petrochemical & Chemical Plants: Provides robust communication for hazardous environments and high-demand process applications.
Product Advantages
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High-Speed Communication: Optimized for fast and reliable data transfer with minimal latency.
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Dual-Channel Redundancy: Supports fail-safe operation in critical industrial systems.
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Advanced Diagnostics: Built-in self-diagnostic routines, error logging, and LED status indicators.
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Compact and Modular Design: Space-efficient and easy to integrate into system racks.
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Field Upgradeable: Firmware updates can be applied without removing the module from operation.
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Certified Compliance: CE and RoHS certified for global industrial safety and environmental standards.
FAQ
1. What is the primary function of the EB402-50?
It acts as the master interface for ER Bus communication, controlling data flow between controllers and field devices.
2. Does EB402-50 support redundant communication paths?
Yes, it has dual ER Bus channels to maintain continuous operation if one channel fails.
3. Can the module perform self-diagnostics?
Yes, it includes internal diagnostic routines and error logging with LED indicators for status monitoring.
4. Is it possible to upgrade firmware without system shutdown?
Yes, online firmware updates are fully supported.
5. How does EB402-50 handle communication errors?
It uses advanced error detection and correction mechanisms to ensure data integrity.
6. How many slave devices can EB402-50 manage?
The module can handle multiple ER Bus slaves depending on system configuration and network design.
7. Is EB402-50 compatible with CENTUM VP systems?
Yes, it integrates seamlessly with Yokogawa CENTUM VP and other Yokogawa DCS platforms.
8. Does EB402-50 support hot-swapping?
Yes, it allows module replacement without stopping system operation.
9. How does the module handle EMI/EMC conditions?
It is shielded and compliant with IEC standards for electromagnetic interference and compatibility.
10. What diagnostic indicators are available?
LED indicators show power status, communication status, and fault detection alerts.
Related Models (Same Series or Functionality)
| Model | Description |
|---|---|
| EB401 | ER Bus Interface Master Module |
| EB403 | High-Speed ER Bus Master for Large Systems |
| EB301 | ER Bus Expansion Interface |
| EB310 | Redundant ER Bus Communication Module |
| ERB100 | ER Bus Coupler for System Integration |
| EB420 | ER Bus Extended Range Master Module |
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