Bently Nevada 3500/20 125744-02 Rack Interface Module System Core

Description

Product Role Overview

• Bently Nevada 3500/20 125744-02 is a Standard Rack Interface Module.
• It acts as the main communication center of the 3500 system.
• The module links the rack to configuration and monitoring tools.
• Without it, system setup and data access are not possible.
• The design focuses on stable and secure data flow.

Communication Core Structure

• Interface Layer
  • Connector type
    • RS422 industrial interface
  • Communication protocol
    • Bently Nevada proprietary protocol
  • Maximum baud rate
    • 38.4 k baud
• Network Behavior
  • Multi-rack daisy chain support
  • Single host connection for multiple racks
  • Stable data flow across long distances

Connectivity Performance

• Maximum cable length
  • 1200 meters supported
• Designed for low data loss transmission
• Strong resistance to electrical noise
• Suitable for large plant layouts

Environmental Operating Window

• Normal operating temperature
  • -30°C to +65°C
• Storage temperature range
  • -40°C to +85°C
• Designed for continuous control room duty
• Stable operation under long runtime

Mechanical Design Profile

• Module dimensions
  • Height 241.3 mm
  • Width 24.4 mm
  • Depth 241.8 mm
• Module weight
  • 0.91 kg
• Slim shape for dense rack layouts

Extended Technical Highlights

• Fast rack recognition during startup.
• Supports online configuration changes.
• Ensures secure system-level communication.
• Reduces troubleshooting time.
• Designed for long service life.

System Application Scenarios

• Central interface for 3500 monitoring racks
• Multi-rack turbine monitoring systems
• Large compressor protection systems
• Plant-wide machinery monitoring networks
• Critical asset condition monitoring

Installation and Handling Notes

• Install in the designated RIM slot only.
• Ensure firm backplane connection.
• Use shielded cable for long runs.
• Verify address settings before power-up.

Package, Warranty, and Shipping

• Package includes one Rack Interface Module.
• 12-month warranty from shipment date.
• Worldwide delivery via FedEx, UPS, or DHL.

FAQ

• Is this module required for every 3500 rack?
  • Yes. Each rack needs one interface module.
• Can multiple racks share one host computer?
  • Yes. Daisy chaining allows this setup.
• What should I confirm before selecting this model?
  • Check rack type and communication distance.
• Does cable length affect communication quality?
  • Quality remains stable within rated limits.
• Is this suitable for system upgrades?
  • Yes. It fits existing 3500 installations.

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