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Product Introduction
The Yokogawa EC402-50 ESB Bus Coupler Module is a crucial component of Yokogawa’s advanced industrial automation systems. It serves as an interface between different systems, connecting the I/O modules to a control system for seamless communication. The EC402-50 ESB Bus Coupler Module is specifically designed for integration into Yokogawa’s CENTUM VP control systems, facilitating a stable and efficient data exchange between field devices and the central processing units (CPUs). With its high reliability and robust design, the EC402-50 ensures that industrial processes can be monitored and controlled effectively in various sectors such as chemical, power, and oil & gas industries.
Product Specifications
Below are the detailed technical specifications of the Yokogawa EC402-50 ESB Bus Coupler Module:
| Specification | Value |
| Module Type | Bus Coupler Module |
| Supported Bus System | ESB (Ethernet Switch Bus) |
| Input/Output Channels | 32 I/O channels |
| Operating Voltage | 24 V DC |
| Communication Protocol | Ethernet, Modbus, Profibus |
| Dimensions | 130 x 129.5 x 32.8 mm |
| Weight | 0.24 kg |
| Operating Temperature Range | -20°C to 60°C |
| Humidity Range | 5% to 95% (non-condensing) |
| Power Consumption | 4W |
| Mounting Type | DIN rail mount |
| Status Indication | LED indicators |
| Environmental Protection | IP20 |
| Certifications | UL, CE, ATEX |
Product Applications
The Yokogawa EC402-50 ESB Bus Coupler Module is designed for use in a wide variety of industrial applications where stable and reliable communication between field devices and control systems is essential. Its main applications include:
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Process Automation: Used extensively in chemical, petrochemical, and pharmaceutical plants for connecting field devices to the control system.
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Power Plants: Helps facilitate the connection between various monitoring and control devices to ensure smooth and efficient operations.
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Oil & Gas: Plays a critical role in ensuring real-time communication between sensors, actuators, and the control system in harsh environments.
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Water Treatment: Used for connecting sensors and actuators in municipal and industrial water treatment facilities.
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Manufacturing: Integrates with factory automation systems to monitor machinery and production processes in real time.
Product Advantages
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Reliable Communication: The EC402-50 ensures seamless communication between the field devices and control systems, reducing the risk of data loss or miscommunication.
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High Scalability: It supports a wide range of I/O modules and communication protocols, making it suitable for a variety of applications.
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Rugged Design: The module is designed to withstand harsh industrial environments, with an operating temperature range of -20°C to 60°C and protection against dust and water (IP20).
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Compact Size: The small footprint of the EC402-50 allows for easy installation in tight spaces, saving valuable rack space.
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Easy Integration: With support for standard communication protocols like Ethernet, Modbus, and Profibus, the module integrates easily into existing control systems.
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Cost-Effective: The EC402-50 offers reliable performance at a cost-effective price, making it an excellent choice for projects with budget constraints.
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LED Status Indicators: Clear LED indicators make it easy to monitor the status of the module, ensuring quick identification of issues.
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Global Certifications: The module is certified with UL, CE, and ATEX approvals, ensuring it meets the stringent standards required for operation in hazardous environments.
Latest News Titles
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“Yokogawa Introduces the EC402-50 Bus Coupler Module for Enhanced Industrial Automation” – Industrial Automation News
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“Yokogawa’s EC402-50 Bus Coupler Module Optimizes Communication for Industrial Control Systems” – Process Control Today
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“Reliability and Scalability of Yokogawa EC402-50 for Power Generation Applications” – Energy Industry Update
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“Yokogawa EC402-50 Enhances Oil & Gas Automation with Robust Communication Capabilities” – Oil & Gas Technology Review
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“EC402-50 Bus Coupler Module from Yokogawa: The Future of Distributed Control Systems” – Automation World
Frequently Asked Questions (FAQ)
1.What is the Yokogawa EC402-50 ESB Bus Coupler Module?
The EC402-50 is a bus coupler module designed to interface field devices with Yokogawa’s CENTUM VP control systems, enabling efficient communication and data transfer.
2.What communication protocols does the EC402-50 support?
The module supports Ethernet, Modbus, and Profibus communication protocols for seamless integration into various industrial systems.
3.What is the maximum number of I/O channels supported by this module?
The EC402-50 supports up to 32 I/O channels.
4.What is the operating voltage for the EC402-50?
The module operates on a 24V DC power supply.
5.What are the operating temperature limits for the EC402-50?
The module can operate in temperatures ranging from -20°C to 60°C.
6.What is the weight of the EC402-50?
The EC402-50 weighs 0.85 kg.
7.Is the EC402-50 module suitable for hazardous environments?
Yes, it is ATEX certified, making it suitable for use in hazardous areas.
8.How is the EC402-50 mounted?
The module is designed for DIN rail mounting, providing a secure and easy installation process.
9.What environmental protection does the EC402-50 offer?
The EC402-50 has an IP20 rating, offering protection against dust and water ingress.
10.What certifications does the EC402-50 have?
The module is certified with UL, CE, and ATEX, ensuring it meets international safety and quality standards.
Recommended Related Models
Here are 8 recommended models from the same series or related products:
| Model | Type | Features |
| Yokogawa EC402-10 | Bus Coupler Module | Basic model with 16 I/O channels, compact design |
| Yokogawa EC402-30 | Bus Coupler Module | Supports 48 I/O channels, higher capacity |
| Yokogawa EC402-100 | Bus Coupler Module | Advanced features, multiple protocol support |
| Yokogawa EC403-50 | Bus Coupler Module | Suitable for high-speed Ethernet networks |
| Yokogawa EC401-50 | Bus Coupler Module | Ideal for large-scale industrial systems |
| Yokogawa EC405-50 | Bus Coupler Module | High availability and redundancy features |
| Yokogawa EC406-50 | Bus Coupler Module | Includes additional diagnostic tools |
| Yokogawa EC407-50 | Bus Coupler Module | Supports wireless communication, designed for remote sites |
Popular Models from Yokogawa
Here are 8 popular models from Yokogawa’s product line:
| Model | Type | Applications |
| Yokogawa CENTUM VP | Distributed Control System | Industrial process control and automation |
| Yokogawa DPharp EJA | Pressure Transmitter | Measurement and control in chemical plants |
| Yokogawa EJX | Differential Pressure Transmitter | Suitable for oil, gas, and chemical industries |
| Yokogawa OpreX | Control Systems | Automation for various industrial processes |
| Yokogawa YTA610 | Temperature Transmitter | Temperature measurement in diverse industries |
| Yokogawa AQ6370D | Optical Spectrum Analyzer | Used in R&D and communication systems |
| Yokogawa UTSeries | Ultrasonic Flowmeter | Water, chemical, and energy applications |
| Yokogawa DCS | Distributed Control System | Power, water, and chemical industries |
