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Product Details

The Yokogawa SSB401-53 is a high-performance ESB Bus Interface Slave Module engineered for the CENTUM VP and CS 3000 Distributed Control System (DCS). This module serves as the primary communication link between remote expansion nodes and the central Field Control Station (FCS). We supply this unit as 100% brand new and original in factory packing to ensure the highest standards of data integrity and system uptime.

Product Overview

The SSB401-53 functions as a critical bridge within the Yokogawa DCS architecture, facilitating deterministic, high-speed data exchange across the system bus. As a slave module, it manages the transmission of field data from remote I/O units to the master controller and executes commands from Human Interface Stations (HIS). By supporting redundant Vnet/IP and ESB bus configurations, the SSB401-53 eliminates single points of failure, making it an essential component for safety-critical and continuous-process industries.

Part Number Breakdown

Yokogawa SSB401 series modules utilize specific codes to define terminal interface and hardware style:

  • SSB401: Base model for the ESB Bus Interface Slave Module.

  • -53: Designates the specific hardware revision and connector configuration.

  • S9343FA: Refers to the internal connector/terminal module assembly used within this unit.

Technical Specifications

Attribute Specification Details
Manufacturer Yokogawa Electric Corporation
Model Number SSB401-53 (S9343FA)
System Compatibility CENTUM VP / CENTUM CS 3000
Communication Speed 100 Mbps or 1 Gbps Full Duplex
Connector Type RJ-45 Ethernet Port
Cable Type CAT5e UTP or higher
Power Supply 3.3 VDC via Backplane
Current Consumption 2.0 – 2.5 A
Operating Temperature 0°C to +60°C (32°F to 140°F)
Storage Temperature –40°C to +85°C
Weight 0.3 – 0.5 kg

Engineering Advantages

  • Redundant Path Assurance: The SSB401-53 fully supports Yokogawa’s dual-redundant communication strategy. It automatically maintains stable connectivity by switching between bus paths if a cable failure or switch error occurs.

  • High-Bandwidth Processing: By utilizing Fast Ethernet (100 Mbps) or Gigabit (1 Gbps) speeds, the module ensures that large volumes of process data reach operator stations without latency, supporting real-time decision-making.

  • Integrated S9343FA Terminal Logic: The specialized S9343FA connector assembly ensures a secure electrical connection to the backplane, reducing the risk of signal jitter or intermittent hardware disconnects in vibrating environments.

  • Efficient Power Utilization: The module draws its required 3.3 VDC directly from the station backplane. This passive power management eliminates the need for separate field power wiring and simplifies the overall cabinet design.

  • Rugged Industrial Design: Engineered to withstand the rigors of 24/7 industrial operation, the SSB401-53 maintains peak performance in temperatures up to 60°C, typical of high-density control cabinets.

FAQs

What is the difference between the SSB401-53 and a master interface module?

The SSB401-53 is a "Slave" module, meaning it resides in a remote node or expansion unit to receive and transmit data back to the "Master" module located in the Field Control Station (FCS). You must have a master module in the system to initiate communication.

Does the SSB401-53 support both 100 Mbps and 1 Gbps?

Yes. The module supports autonegotiation to match the speed of your existing network infrastructure and Layer 2 industrial switches, providing flexibility during system upgrades.

How do I install the S9343FA connector?

The S9343FA is typically an integrated part of the SSB401-53 assembly. Ensure you align the card correctly with the station backplane pins and firmly seat the module to establish a secure electrical link.

What cabling provides the best performance for the SSB401-53?

We recommend using shielded CAT5e or CAT6 cabling for all Vnet/IP and ESB bus connections. Shielded cables protect the high-speed data packets from electromagnetic interference (EMI) commonly found in power plants and refineries.

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