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Product Details

The Yokogawa SB301 is a critical S1 Interface Card designed for the CENTUM CS 3000 Distributed Control System (DCS). This module establishes the primary communication pathway between the core control architecture and external subsystems, ensuring seamless data synchronization. We supply this product as 100% brand new and original, direct from Japan-origin stock, to guarantee system integrity in mission-critical environments.

Product Overview

The SB301 module functions as a robust bridge within the Yokogawa DCS ecosystem. It manages high-volume data traffic between the control stations and peripheral devices, maintaining the deterministic communication required for complex process automation. By utilizing the Style S1 architecture, this card provides the stable connectivity necessary to integrate sensors, actuators, and operator interfaces into a unified control strategy. It plays a fundamental role in maintaining the high availability and fault tolerance standards of the CENTUM CS 3000 series.

Part Number Breakdown

The SB301 series often includes specific manufacturing codes and style designations:

  • SB301: Base model number for the Interface Card.

  • Style S1: Designates the hardware revision and circuit board configuration.

  • S9911DD-04: Internal Yokogawa manufacturing reference for the specific card assembly.

Technical Specifications

Attribute Specification Details
Manufacturer Yokogawa Electric Corporation
Model Number SB301 (Style S1)
Series CENTUM CS 3000 DCS
Part Number S9911DD-04
Function Communication / System Interface
Dimensions 2.5 cm x 26.2 cm x 24.9 cm (1.0 x 10.3 x 9.8 in)
Weight 0.3 kg (0.75 lbs - 2.0 lbs depending on housing)
Operating Temperature 0°C to +60°C (32°F to 140°F)
Storage Temperature -40°C to +85°C (-40°F to +185°F)
Country of Origin Japan
Tariff Code 8517620050

Engineering Advantages

  • Optimized Bus Communication: The SB301 utilizes specialized chipsets to manage bus arbitration. This prevents data collisions and ensures that time-sensitive control commands reach their destination without jitter or delay.

  • Hot-Swap Compatibility: Designed for continuous-process industries, the card supports installation into active CS 3000 racks. This allows maintenance teams to replace interface components without forcing a total system shutdown, significantly reducing plant downtime.

  • Compact Slot Efficiency: The 2.5 cm slim profile allows for high-density mounting in control cabinets. This maximizes the available space within standard Yokogawa racks, facilitating future system expansion without requiring additional cabinetry.

  • Industrial-Grade EMI Shielding: The card features robust electromagnetic interference (EMI) shielding. This protection ensures that high-voltage equipment in the vicinity—such as turbines or large motors—does not corrupt the low-voltage communication signals passing through the SB301.

  • Japanese Precision Engineering: Manufactured in Japan, the SB301 meets the highest global standards for reliability (MTBF). It withstands the thermal stresses of 24/7 operation in harsh petrochemical and power generation environments.

FAQs

Is the SB301 compatible with the newer CENTUM VP systems?

The SB301 is primarily engineered for the CENTUM CS 3000 series. While Yokogawa offers migration paths, you should consult your specific system topology to determine if an SB301 or a newer VP-series card is required for your hardware revision.

What is the significance of the "Style S1" designation?

The "Style" code indicates a specific hardware version. Style S1 ensures that the card features the standardized circuitry and component layout required for compatibility with original CS 3000 backplanes. We recommend matching the style code of your existing card for seamless replacement.

Does this card require manual configuration or calibration?

The SB301 is a digital interface card. Most configurations occur within the CENTUM engineering software. Once installed into the correct slot on the base unit, the system software recognizes the card and assigns the necessary communication parameters based on your project database.

How does the SB301 handle communication faults?

The module includes built-in diagnostic LEDs that provide immediate status feedback. If a communication error occurs, the card reports the fault back to the HIS (Human Interface Station), allowing operators to pinpoint the exact location of the connectivity issue.

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