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- Yokogawa
- EC402-51
- 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 Summary
The Yokogawa EC402-51 Bus Coupler Module is a key communication component used in distributed control systems (DCS) to extend and stabilize internal bus communication. It functions as a coupling interface between different bus segments, enabling efficient and synchronized data exchange across the system.
This module is designed for industrial environments where communication reliability and system scalability are essential.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | EC402-51 |
| Product Type | Bus Coupler Module |
| Dimensions | 130 × 129.5 × 32.8 mm |
| Function | Bus coupling and communication extension |
| Communication Role | Connects multiple bus segments |
| Installation | Rack-mounted |
| System Integration | Distributed control systems (DCS) |
| Application | Industrial automation and process control |
What Does This Module Do?
The EC402-51 Bus Coupler Module enhances system communication by:
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Linking separate bus segments into a unified communication network
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Ensuring consistent and stable data transfer between modules
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Supporting system expansion without performance degradation
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Enabling coordinated operation between processors and I/O units
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Improving overall communication reliability within the system
Typical Industry Applications
The EC402-51 module is widely used in industries requiring robust control systems:
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Power generation and grid management
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Oil & gas production and refining
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Chemical and petrochemical plants
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Manufacturing automation systems
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Large-scale distributed process control environments
Why Choose EC402-51?
Stable Communication Backbone
Provides reliable connectivity across distributed system components.
Supports System Expansion
Ideal for scaling control systems without redesigning architecture.
Optimized for DCS Architecture
Fully compatible with Yokogawa control systems.
Durable Industrial Design
Engineered for continuous operation in harsh environments.
Compatible System Components
The EC402-51 Bus Coupler Module works together with:
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Yokogawa processor modules (CP and SCP series)
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Bus interface modules (EB series)
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ESB communication modules
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Analog and digital I/O modules
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Power supply units and control racks
This ensures a flexible and scalable system configuration.
Recommended Alternative Models
| Model | Product Type | Application |
|---|---|---|
| EC402-50 | ESB Bus Coupler Module | ESB communication systems |
| EB501-50 | Bus Interface Module | Processor-to-I/O communication |
| CP451-51 S2 | Processor Module | Compact control systems |
| SCP451-51 | Processor Module | Standard DCS processing |
| ADV551 | Digital Output Module | Control signal output |
Technical FAQs
What is the main function of the EC402-51 Bus Coupler Module?
It connects multiple bus segments and ensures stable communication within a distributed control system.
Is this module required for system expansion?
Yes, it allows additional system segments to be integrated without affecting performance.
Where is the module installed?
It is mounted in a Yokogawa system rack and connected to the internal communication bus.
What systems is it compatible with?
It is designed for Yokogawa DCS and integrates with processors, I/O modules, and communication interfaces.