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- Yokogawa
- EC402-50
- ESB Bus Coupler Module
- Japan
- 130 x 129.5 x 32.8 mm
- 0.24 kg
- Xiamen, China
- New & In Stock
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All our products are priced very favorably because we have our own warehouse and supply.
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Introduction
The Yokogawa EC402-50 ESB Bus Coupler Module is a specialized communication module designed to enable efficient data exchange within Yokogawa distributed control systems (DCS). As an ESB (Enhanced Serial Bus) coupler, it connects different system segments and ensures reliable communication between control units and field devices.
This module plays a crucial role in maintaining system synchronization, data integrity, and operational stability in complex industrial environments.
Technical Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Yokogawa |
| Model | EC402-50 |
| Product Type | ESB Bus Coupler Module |
| Dimensions | 130 × 129.5 × 32.8 mm |
| Function | ESB bus coupling and communication |
| Communication Type | Enhanced Serial Bus (ESB) |
| Installation | Rack-mounted |
| System Role | Connects and extends communication bus |
| Application | Distributed control systems (DCS) |
Functional Overview
The EC402-50 ESB Bus Coupler Module is designed to optimize system communication by:
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Coupling multiple ESB segments within the control system
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Enabling stable and high-speed data transmission
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Supporting communication between processors and remote I/O modules
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Maintaining synchronization across distributed system components
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Ensuring reliable signal integrity over extended distances
Application Areas
This module is widely used in industries where distributed control systems are essential:
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Power generation and energy distribution
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Oil and gas exploration and refining
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Chemical and petrochemical processing
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Industrial manufacturing automation
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Large-scale process control systems
Key Advantages
Efficient Bus Coupling
Connects multiple ESB segments for expanded system architecture.
Reliable Communication
Ensures stable data transmission in demanding industrial environments.
Scalable System Design
Supports expansion of control systems without compromising performance.
Industrial-Grade Durability
Designed for continuous operation in harsh conditions.
System Integration
The EC402-50 ESB Bus Coupler Module integrates seamlessly with:
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Yokogawa processor modules (CP and SCP series)
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Bus interface modules (such as EB series)
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Analog and digital I/O modules
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Power supply modules and system racks
This enables a flexible, scalable, and high-performance automation system.
Recommended Related Models
| Model | Product Type | Application |
|---|---|---|
| EB501-50 | Bus Interface Module | System communication interface |
| CP451-51 S2 | Processor Module | Compact control processing |
| SCP451-51 | Processor Module | Standard DCS systems |
| AAI543 | Analog Input Module | Signal acquisition |
| ADV551 | Digital Output Module | Control output |
Technical FAQs
What is the function of the EC402-50 ESB Bus Coupler Module?
It connects and extends ESB communication networks within Yokogawa distributed control systems.
What does ESB mean in this module?
ESB stands for Enhanced Serial Bus, used for reliable communication between distributed system components.
Where is the module installed?
It is mounted in a system rack and connected to the ESB communication network.
Why is a bus coupler important?
It allows system expansion and ensures stable communication between multiple system segments.