Fast Quote About Us FAQ Contact Us
  • Please try to be as accurate as possible with your search.
  • We can quote you on 1000s of specialist parts, even if they are not listed on our website.
  • We can't find any results for “”.
    SEE MORE
      SEE PRODUCTS IN SEARCH PAGE ()
      Fast Quote About Us FAQ Contact Us
      Request a Parts Quote
      Name
      Company *
      Phone *
      Email *
      Address
      City
      State / Province / Region
      Zipcode
      Country
      Quantity *
      Part Number *
      Manufacturer
      Preferred Condition
      Additional Information
      Cancel
      Yokogawa EC402-50
      Yokogawa EC402-50

      • ISO 9001:2015 Certified

        Our quality management system covers sourcing,testing and dispatch

      • View Our Success Stories

        Real stories from real customer orders
      Ships by Saturday, October 24
      Fast Shipping Available
      ESB Bus Coupler Module

      EC402-50

      Product Information:

      EC402-50 is the Yokogawa ESB Bus Coupler Module used in a documented industrial control installation. Its verified configuration includes Bus: ESB bus; every printed suffix remains part of the order identity. Before replacement, confirm the receiving system, interfaces and approved documentation.

      Product image is representative; revision or series may vary. Contact us to request a specific version.
      Get a Quote
      • One-year warranty
      • Global shipping
      • Exact-model verification
      WhatsApp: +86 180 2077 6792 Email parts team
      01


      Model Verified

      Model, revision and nameplate reviewed
      02


      Email confirmation

      You will get an email confirming that we have received your enquiry
      03


      Dedicated Account Manager

      One of our team will be in touch to confirm your part(s) specification and condition
      04


      Your quote

      You will receive a comprehensive quote tailored to your specific needs
        • PRODUCT OVERVIEW

          What is this product?

          EC402-50 is the Yokogawa ESB Bus Coupler Module selected for ESB bus coupling between node units in a CENTUM VP field control system. Its complete order identity controls the supplied hardware, interfaces and approved receiving system, so every suffix, revision and companion code must remain in the quotation and receiving record.

          Source boundary

          Exact-model hardware values shown here are qualified from public technical cross-references and require order-stage confirmation.
        • APPLICATIONS

          Where it may be used

          Industry applications are tied to the documented function, receiving system and verified configuration.

          Automotive Manufacturing

          Connects controllers, drives and supervisory systems across production cells.

          Water Treatment

          Exchanges process data between distributed panels and plant systems.

          Material Handling

          Supports deterministic controller and HMI traffic across conveyor networks.

          Power Utilities

          Links plant control, protection or switchgear systems through the approved interface.
      Technical specifications for

      EC402-50

      0 TECHNICAL PARAMETERS
      • Manufacturer:
        Yokogawa
      • Product Category:
        General Automation
      • Bus:
        ESB bus
      • Transmission speed:
        128 Mbit/s
      • Node capacity:
        Up to 9 upper and 9 lower units
      • Cable length:
        10 m upper + 10 m lower, 20 m total
      • Current consumption:
        0.5 A
      • Product type:
        ESB Bus Coupler Module
      • Documented function:
        ESB bus coupling between node units in a CENTUM VP field control system
      Ask for Quote
      WHAT HAPPENS NEXT?

      From enquiry to delivery

      Six clear steps show what information is required and what the written quotation will contain.
      • 01

        Find the product

        Search the part number or send an inquiry for obsolete, discontinued or hard-to-find parts.
      • 02

        Provide the details

        Share the exact part number, quantity, condition, revision, destination and any required certificates or photos.
      • 03

        Review the quotation

        Receive price, currency, condition, availability, warranty, lead time, shipping terms and quotation validity in writing.
      • 04

        Confirm the order

        Accept the quotation in writing and complete the required payment before shipment.
      • 05

        Pay by bank transfer

        Pay the full invoiced amount by bank wire in RMB/CNY, GBP, EUR or USD using the official invoice details.
      • 06

        Verify and dispatch

        The item receives a pre-shipment inspection and suitable protective packaging. Functional testing is performed only where appropriate equipment and procedures are available for the specific item. We confirm the applicable inspection scope and provide tracking after dispatch.
      Request a Verified Quote
      BUYER INFORMATION

      Product condition level information

      Commercial details are confirmed in writing before payment.
      • 01

        Factory Sealed

        Unused product with the original factory seal intact; packaging age or storage marks may still be present.

        view
      • 02

        Original Pack

        Unused product in original manufacturer packaging that was not originally factory sealed.

        view
      • 03

        Factory New

        New and current product sourced through the manufacturer or authorized supply channel when expressly confirmed in the quotation.

        view

      Alternative Names

      Yokogawa EC402-50 EC402 50 EC40250

      Information

      Overview Manuals ESB Bus Node Capacity Coupler Installation

      Features:

      • The exact order identity is EC402-50; every printed suffix and companion code remains part of the selection.
      • The unit is selected for ESB bus coupling between node units in a CENTUM VP field control system; appearance or a shared base family does not establish interchangeability.
      • Verify the receiving system, mating interface, hardware revision and separately supplied accessories before removal and commissioning.

      EC402-50 is the Yokogawa ESB Bus Coupler Module selected for ESB bus coupling between node units in a CENTUM VP field control system. Its complete order identity controls the supplied hardware, interfaces and approved receiving system, so every suffix, revision and companion code must remain in the quotation and receiving record.

      Before replacing EC402-50, record the complete nameplate, installed position, mating connectors or terminals, power and signal wiring, hardware revision and configuration dependencies. After installation, restore the approved settings, inspect diagnostics and prove every affected measurement, communication, safety or control path before return to service.

      The EC402-50 Yokogawa ESB Bus Coupler Module may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
      Yokogawa EC402-50 documentation and reference links.Important Notice: Confirm the complete catalog identity, revision, receiving-system configuration and required document revision before replacement.

      Match the complete EC402-50 catalog identity and retain every suffix, style, revision and companion code shown on the supplied item.

      Confirm the documented ESB bus coupling between node units in a CENTUM VP field control system, power and signal interfaces, receiving hardware and required accessories against the approved project record.

      Record the existing wiring, mounting, settings and diagnostics; after replacement, inspect the installation and function-test every affected path under the site procedure.

      Technical notes

      Before replacing EC402-50, record the complete nameplate, installed position, mating connectors or terminals, power and signal wiring, hardware revision and configuration dependencies. After installation, restore the approved settings, inspect diagnostics and prove every affected measurement, communication, safety or control path before return to service.

      ESB Bus Interface

      EC402-50 is the Yokogawa ESB Bus Coupler Module selected for ESB bus coupling between node units in a CENTUM VP field control system. Its complete order identity controls the supplied hardware, interfaces and approved receiving system, so every suffix, revision and companion code must remain in the quotation and receiving record.

      The parameter grid retains only values tied to this complete order identity or its documented manufacturer ordering family.

      Node Capacity and Installation

      Before replacing EC402-50, record the complete nameplate, installed position, mating connectors or terminals, power and signal wiring, hardware revision and configuration dependencies. After installation, restore the approved settings, inspect diagnostics and prove every affected measurement, communication, safety or control path before return to service.

      A nearby family member is not accepted as a substitute until electrical, mechanical, firmware and approval compatibility are confirmed.

      Customs & shipping dimensions / weight

      • Packed shipping dimensions
        Confirmed after final packing
        No verified exact-model packed dimensions are stated here; final packed dimensions are recorded after protective packing.
      • Packed shipping weight
        Confirmed after final packing
        Final gross shipping weight is recorded after protective packing and does not reuse an unverified product weight.
      • HS / customs code
        Confirmed by destination customs
        The destination customs declarant confirms the final tariff classification for the supplied item.
      • Country of origin
        Confirm from supplied item
        Country of origin is recorded only from the supplied unit marking or official shipment documents.
      • Ships from
        Xiamen, Fujian, China
        Dispatch location, quantity and handling time are confirmed in the written quotation.
      • Customs documents
        Confirmed for the destination
        Invoice, packing-list and origin-document requirements are agreed with the order.
      PRODUCT & ORDER FAQS

      Questions buyers ask about EC402-50

      • What does EC402-50 couple in a CENTUM VP installation?

        EC402-50 couples the ESB bus between approved Yokogawa CENTUM VP node units; suffix, node position and receiving-system configuration must match.

      • Which identity must be ordered for EC402-50?

        Use the complete EC402-50 marking, including every suffix, revision and companion code; a shortened family name does not confirm interchangeability.

      • Which receiving hardware must match EC402-50?

        Confirm the installed rack, carrier, terminal board, controller, drive, monitor or machine position and all mating connectors from the approved project record.

      • Which documented value should be checked first for EC402-50?

        Check bus: ESB bus, then verify every other rating against the exact supplied execution.

      • What should be recorded before removing EC402-50?

        Photograph the nameplate, installed position, wiring and connectors, and preserve firmware, settings, calibration and diagnostic records where applicable.

      • Can a nearby Yokogawa family member replace EC402-50?

        Not by appearance or base family alone. Electrical, mechanical, firmware, safety approval and receiving-system compatibility must all be confirmed.

      • How is EC402-50 commissioned after replacement?

        Verify power and diagnostics first, then prove every affected measurement, output, network, safety or control path under the site procedure.

      • What is needed for a firm quotation for EC402-50?

        Provide quantity, full order code, nameplate and connector photographs, receiving equipment, required document revision, destination and requested delivery date.
      All FAQ
      MORE PARTS IN THE SAME PROJECT?

      Search another part number

      Use the exact manufacturer number where possible.
      • Please try to be as accurate as possible with your search.
      • We can quote you on 1000s of specialist parts, even if they are not listed on our website.
      • We can't find any results for “”.
        SEE MORE
          SEE PRODUCTS IN SEARCH PAGE ()
          WHY BUYERS WORK WITH MOORE AUTOMATED

          Clear checks before you commit

          Product-specific verification and written commercial details help purchasing and maintenance teams reduce mismatch risk.

          • Pre-shipment inspection

            Products are inspected before dispatch to verify model, condition and applicable specifications.

          • Documentation available

            Product photos, packaging photos, certificates and datasheets can be provided when available.

          • Clear commercial terms

            Condition, warranty, lead time, included items and shipping terms are stated clearly in writing.

          • 20+ years of experience

            Over 20 years of experience in industrial automation and hard-to-source legacy parts.

          • Product Lifecycle Stage

            Exact manufacturer lifecycle status for this complete order identity is not publicly confirmed; availability, condition, revision and compatibility are confirmed in the written quotation.

            Confirm the complete product marking, hardware revision and receiving system before replacement.

          Related Products

          Browsing history

          Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, drives and servo motors, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
          Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.

          Get a quick price for:

          EC402-50
          Quantity
          Upload
          (gif, jpg, jpeg, png, bmp, doc, docx, xls, xlsx, ppt, pdf, csv)
          Get a Quote
          For more information on how your data is processed and stored by Moore Automated please read our privacy policy.
          img0
          img0