The Yokogawa EC402-50 ESB Bus Coupler Module is a high-performance communication interface designed for integration within Yokogawa’s CENTUM VP Distributed Control System (DCS). It facilitates seamless data exchange between Field Control Units (FCUs) and I/O Node Units over the ESB (Ethernet Switch Bus) network, ensuring reliable and efficient industrial automation.

Q1: What is the primary function of the EC402-50 module?

A1: The EC402-50 acts as a communication bridge between the Field Control Unit and Node Units within the ESB network, enabling efficient data transfer and system integration.

Q2: How many Node Units can be connected to the EC402-50?

A2: It supports up to 9 units on both the upper and lower sides, with a total of up to 13 units, depending on the FCS database configuration.

Q3: What are the supported communication protocols?

A3: The module supports Ethernet, Modbus, and Profibus protocols, allowing for flexible integration with various industrial systems.

Moore Automation are still working and able to shipping worldwide.

Our company has many products in stock,which are immediately available.The warranty is 1 years which apply to all the new products.If you purchase one more parts from us,we can make a discount to you.

If you have any questions, please feel free to contact us. We can supply various automation parts. If you want to buy parts, please send the part model to my email and I will reply to you immediately after receiving it.

Hope anyone enquire from us.

We have tens of thousands of spare parts and spare parts warehouse . Products and services to serve for installing of users control system.

Distributed control systems, programmable controllers, panel controller and drive!

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* Reduced maintenance costs!

We have a large inventory of control system components. We also made a lot of new hardware and discontinued spare parts to help

supporting your existing control systems.

We have experienced staff, extensive testing , all the spare parts which we sold are with warranty period of one year, and they have

undergone rigorous testing and certification!