S9981DE-02 | Yokogawa STARDOM Network Interface Unit

Product Overview

The Yokogawa S9981DE-02 functions as a high-performance interface bridge for the STARDOM industrial automation architecture. This module integrates field-level sensors directly into the control network, eliminating communication silos. It processes diverse inputs ranging from thermal data to digital logic, translating raw field signals into actionable data for the controller. We supply this unit as 100% Brand New, ensuring maximum lifecycle longevity and factory-certified precision for your critical infrastructure.

Part Number Breakdown

Yokogawa utilizes specific coding to denote the functional capabilities of the S9981 series:

Technical Specifications

The S9981DE-02 features a slim, rack-mountable form factor designed for high-density control cabinets.

• Manufacturer: Yokogawa

• Model Number: S9981DE-02

• Product Type: Interface Unit

• Dimensions: 44.5 cm x 13.3 cm x 2.5 cm

• Weight: 0.9 kg

• Signal Compatibility: Thermocouples, RTDs, Voltage, Current, and Digital Signals

• Chassis Build: Heavy-duty industrial-grade housing

• Condition: 100% Brand New and Original

Engineering Advantages

The S9981DE-02 addresses specific technical bottlenecks in complex automation environments:

• Universal Signal Normalization: This unit eliminates the need for multiple disparate converters. By accepting RTD, Thermocouple, and Analog signals simultaneously, it simplifies the hardware BOM (Bill of Materials) and reduces cabinet wiring complexity.

• Electromagnetic Interference (EMI) Shielding: The specialized housing design protects internal circuitry from high-frequency noise common in motor control centers. This ensures signal purity and prevents data corruption during transmission.

• Low-Profile Space Optimization: The 2.5 cm depth allows for installation in shallow enclosures or high-density racks where standard interface units fail to fit.

• Hot-Swappable Capabilities: Depending on the STARDOM backplane configuration, this module supports rapid replacement protocols, significantly reducing Mean Time to Repair (MTTR) during maintenance cycles.

FAQs

Does the S9981DE-02 require specialized software for configuration?

Engineers configure the S9981DE-02 through the STARDOM Resource Configurator. The module automatically identifies itself to the network upon installation, requiring only specific parameter settings for the connected sensor types.

Can this unit handle high-vibration environments?

Yes. Yokogawa designs the S9981DE-02 for heavy industrial use. The internal components utilize vibration-resistant mounting techniques to maintain electrical contact integrity even in proximity to heavy rotating machinery.

How does the unit manage different signal types simultaneously?

The internal microprocessor utilizes high-speed multiplexing and individual A/D converters to isolate and process different signal types. This prevents cross-talk between high-voltage digital signals and sensitive millivolt thermocouple inputs.

Is this unit compatible with third-party PLC systems?

The S9981DE-02 primarily serves the Yokogawa STARDOM ecosystem. While it communicates via standard industrial protocols, it delivers the highest efficiency when paired with STARDOM Field Control Stations (FCS).