1 of 2

100 in stock

Yokogawa EC402-51 BUS COUPLER MODULE

Brand/Manufacturer: Yokogawa

Order Number: EC402-51

Type: BUS COUPLER MODULE

Country of Origin: Sweden

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

Ask a question
  • In-stock & ready for fast delivery. Shipping policy.

  • We’re here for you 24/7 ,Contact Us.

  • Only genuine, factory-sealed products,Learn More.

  • Refund Supported Within 30 Days, help.

  • All purchases include a 1-year warranty, help.

Trusted Global Payment Methods

DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited
DcsSupplier Limited

Description

Overview

The Yokogawa EC402-51 Bus Coupler Module enables reliable communication between subsystem components within Yokogawa control architectures. It manages data exchange efficiently and ensures consistent synchronization across connected I/O networks. Moreover, the module supports stable operation under continuous industrial load, which enhances system availability in demanding applications. Therefore, engineering teams adopt it confidently when projects require dependable bus interfacing and streamlined integration.

Technical Specifications

Parameter Specification
Model EC402-51
Module Type Bus Coupler Module
System Compatibility Yokogawa control system platforms
Function Communication interface between CPU and I/O
Communication Method High-speed industrial bus
Data Transfer Real-time, bidirectional data exchange
Diagnostic Functions LED status indicators, communication health checks
Noise Immunity Designed for high EMI industrial environments
Power Requirement 5 VDC or system-supplied (module dependent)
Operating Temperature 0°C to 55°C
Storage Temperature –20°C to 70°C
Humidity 5–95% non-condensing
Mounting Modular rack installation
Typical Use I/O bus coupling, subsystem communication, system expansion

 

FAQ

Q1: What is the function of the EC402-51 module?
A1: It serves as a bus coupler that manages communication between controllers and I/O modules.

Q2: Does it support high-speed communication?
A2: Yes, it supports stable, low-latency communication in industrial environments.

Q3: Is the module compatible with Yokogawa distributed control systems?
A3: Yes, it is designed for integration with Yokogawa control platforms.

Q4: Can it operate in electrically noisy environments?
A4: Yes, it features strong EMI resistance for reliable performance.

Q5: Does the module provide diagnostic indicators?
A5: Yes, LED indicators help users quickly assess module and communication status.

Q6: What applications commonly use this module?
A6: It is widely used in process automation, utilities, and large-scale distributed systems.

 

  • Focus on Benefits:

    We focus on what truly matters to industrial buyers — authentic products, reliable stock, and fast global delivery. Explore how we support your operations with trusted sourcing and expert service.

  • Hard-to-Find & Obsolete Parts:

    We specialize in sourcing rare and discontinued industrial automation components that others can't deliver.

  • Large In-Stock Inventory:

    Thousands of genuine parts ready for immediate shipping — reduce downtime and keep operations running smoothly.

  • Fast Response · Global Delivery:

    Get a quote within hours. We ship worldwide with express options to meet urgent demands.

  • Original Products · 1-Year Warranty:

    All parts are factory-sealed and 100% original. Covered by a 1-year warranty and 30-day return support.

  • Why You Can Trust Us:

    We go beyond parts — delivering reliability, speed, and expertise trusted by industrial buyers worldwide.

  • DcsSupplier Limited

    Trusted by Global Clients

    Serving thousands of companies across oil & gas, power, manufacturing, and more — from Fortune 500 enterprises to local distributors.

  • DcsSupplier Limited

    Uptime Is Our Priority

    Downtime is costly. That’s why we ensure rapid access to critical parts, minimizing production interruptions and delays.

  • DcsSupplier Limited

    Experts in Sourcing Rare Parts

    Our team specializes in finding hard-to-source and obsolete components — saving you time, risk, and procurement headaches.

  • DcsSupplier Limited

    One-Stop Automation Supply

    We offer complete automation part solutions — PLCs, drives, sensors, HMIs, relays — with expert guidance every step of the way.

Testimonials

Fast Delivery, Excellent Quality


We’ve worked with IndustriaX Limited on several urgent orders for automation components. Their ability to provide original, factory-sealed parts with full documentation—often from in-stock inventory—has significantly reduced our downtime. The delivery is consistently fast, and their logistics team is highly responsive. IndustriaX has become one of our most trusted global suppliers for industrial spare parts.

- Sarah Johnson

Reliable Partner for Original Parts


Finding authentic automation parts has always been a challenge, especially for discontinued models. IndustriaX Limited has impressed us with their genuine stock, clear product traceability, and prompt updates. We’ve verified their shipments against OEM specs multiple times, and the results are flawless. They’re now our preferred sourcing partner for critical systems.

- David Smith

Professional Service with After-Sales Support

"IndustriaX Limited doesn’t just ship products—they provide solutions. When we encountered installation issues with one of the modules, their technical team replied in less than 4 hours and provided wiring guides and troubleshooting tips. This level of post-sale support is rare in the spare parts sector. Their professionalism gives us confidence in every order."

- Emily Brown

Trusted Source for Industrial Automation Spares


We've tested multiple suppliers over the years, but IndustriaX Limited consistently stands out. Their product catalog is extensive, their team is knowledgeable, and they understand the urgency of industrial needs. With every order, we receive timely updates, fast delivery, and 100% genuine products. It’s rare to find such consistency and reliability in this field.

- Michael Anderson