Bently Nevada 3500/91-01-02-02 EGD Communication Gateway Module | 3500 Series

Product Overview

The Bently Nevada 3500/91-01-02-02 functions as a high-speed digital bridge that exports critical machinery protection data via the Ethernet Global Data (EGD) protocol. This specific configuration utilizes fiber optic connectivity to ensure secure, interference-free communication between the 3500 rack and GE control networks. It consolidates measurement values and status traffic from all monitors into a deterministic data stream. We offer this unit as 100% brand new, original factory equipment to maintain the highest standards of plant safety and data integrity.

Part Number Breakdown: 3500/91-01-02-02

• 3500/91: Ethernet Global Data (EGD) Communication Gateway Module.

• -01: Main Module Type (Standard EGD Gateway).

• -02: I/O Module Option (Ethernet 100BASE-FX Fiber Optic Interface).

• -02: Agency Approval Option (CSA/NRTL/C Class I, Div 2).

Technical Specifications

• Manufacturer: Bently Nevada (Baker Hughes)

• Country of Manufacture: USA

• Network Interface: 100BASE-FX (Fiber Optic)

• Communication Protocol: Ethernet Global Data (EGD)

• Agency Approvals: CSA/A (Hazardous Area Rated)

• Module Weight: 0.79 kg

• Shipping Weight: 2.0 kg (Includes original industrial protective packaging)

• Condition: Brand New Original

Engineering Advantages

The 3500/91-01-02-02 optimizes industrial network architecture through advanced hardware specifications:

• Total EMI/RFI Immunity: The 100BASE-FX fiber optic interface eliminates electrical noise interference. This allows engineers to run communication lines alongside high-voltage power cables without risking data corruption—a frequent pain point in large turbine or motor-driven installations.

• Safe Operation in Hazardous Zones: The CSA/A (Class I, Div 2) approval ensures the module operates safely in environments where flammable gases or vapors may exist. This makes it the standard choice for oil and gas refineries and chemical processing plants.

• Deterministic Data Pushing: The EGD protocol broadcasts data at fixed time intervals. This eliminates the "request-response" lag found in older protocols, providing the DCS with instantaneous updates on vibration and thrust levels.

• Long-Distance Connectivity: Fiber optic support enables data transmission over much greater distances than standard copper Ethernet without requiring signal repeaters, simplifying remote rack integration.

FAQs

• What are the primary benefits of the 100BASE-FX I/O module?

  The fiber optic I/O prevents ground loops and remains completely unaffected by electromagnetic interference. It provides a more stable connection in electrically noisy environments compared to the standard copper RJ45 versions.

• Does this unit come with the necessary configuration software?

  The hardware requires Bently Nevada 3500 Rack Configuration Software for setup. Once you define the EGD pages, the module stores the configuration in non-volatile memory and operates independently.

• Is this module compatible with standard GE Mark VIe control systems?

  Yes. The 3500/91 uses the EGD protocol, which serves as the native communication standard for GE control platforms, ensuring seamless "plug-and-play" data mapping.

• How do you guarantee the product is "Brand New"?

  We source only 100% original, factory-sealed Bently Nevada components. Every 3500/91-01-02-02 undergoes strict quality checks and ships in its original manufacturer packaging, backed by a comprehensive 1-year warranty.