Yokogawa RB401 RIO Bus Interface Module for CENTUM DCS

The Yokogawa RB401 is a Remote I/O (RIO) Bus Interface Module designed for Yokogawa's CENTUM VP and CENTUM CS 3000 distributed control systems (DCS). It serves as the communication bridge between field-mounted RIO stations and the central control units, enabling high-speed data transmission across distributed process control architectures.

  • Número de artículo :

    RB401
  • Pedido (cantidad mínima de pedido) :

    1
  • Pago :

    EXW
  • Origen del producto :

    Japan
  • Puerto marítimo :

    Wuhan, Hubei, China
  • Plazo de entrega :

    3-5 days
  • Peso :

    3kg
  • PRODUCT INFORMATIOM

    RB401 RIO Bus Module

    Brand Name: Yokogawa Condition: 100%New And Original
    Product Name: RB401 Warranty: 1Year
    MOQ: 1Piece Packing: Original Packing

     

    OVERVIEW

    The Yokogawa DCS MODULE is an input/output module designed by Yokogawa for its CENTUM series of distributed control systems (DCS).

    These modules offer high performance and a wide range of functions to meet the needs of a wide range of control systems. As an important part

    of the CENTUM system, Yokogawa DCS MODULE plays a key role in the field of industrial automation and process control.

     

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    All 100% brand new industrial products with large inventory for your selection.

     

     

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    FAQ

    Q1: What is the Yokogawa RB401 used for?
    According to the most credible sources, it is a RIO Bus Interface Module for Yokogawa CENTUM VP / CS 3000 DCS systems, connecting remote I/O stations to central controllers over the proprietary RIO bus .

    Q2: What are the exact specifications?
    No official Yokogawa datasheet is available in the search results. Third-party sources provide wildly conflicting data (transfer rates of 2 Mbps vs. 10 Mbps, power of 5 W vs. 25 W, weights of 0.3 kg vs. 0.55 kg). You must obtain the official Yokogawa datasheet for the exact order variant before making any decision.

    Q3: Is the RB401 a master or slave interface?
    Sources conflict. Some describe it as a "Master Card" , others as a "Slave Interface Card" . This distinction is critical for system design and must be clarified with Yokogawa.

    Q4: What is the difference between RB401 and RB401-S4?
    The "S4" suffix appears in some listings as a Style 4 variant with potentially different specifications (e.g., 10 Mbps transfer rate, 0.45 kg weight) . The relationship between the base RB401 and suffix variants must be confirmed with Yokogawa.

    Q5: Does the RB401 support hot-swap?
    One source indicates it supports hot-swap in compatible base units . Verify this against official documentation.

    Q6: Is this a current or legacy product?
    The RB401 is associated with CENTUM VP / CS 3000 systems, which are mature platforms. Confirm current product status and availability with Yokogawa or an authorized distributor.

    Q7: Where can I get technical documentation?
    Official Yokogawa documentation is essential. The third-party search results are unreliable and contradictory. Contact Yokogawa or an authorized distributor directly.


    Recommending Models

     
     
    Model Description When to Choose
    RB401 RIO Bus Interface Module (base variant) When replacing or stocking spares for existing CENTUM installations (confirm exact variant and availability)
    RB401-S2 Style 2 variant (per some listings) When a specific Style 2 revision is required (confirm with Yokogawa)
    RB401-S4 Style 4 variant (per some listings) When a specific Style 4 revision is required (confirm with Yokogawa)
    AIP512 RIO Bus Connection Module (documented in previous response) When a verified RIO bus coupler specification is available from Yokogawa
    Newer CENTUM VP modules Current-generation RIO/ESB interface modules When a current-production replacement is required for new installations or upgrades (consult Yokogawa)

     

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