3500/20-01-02-00 125744-02 Bently Nevada Standard Rack Interface Module with 125768-01 RIM I/O Module

3500/20 125744-02 Bently Nevada Standard Rack Interface Module with 125768-01 RIM I/O Module

Product Overview
The Bently Nevada 3500/20-01-02-00 125744-02 is a high-performance Rack Interface Module (RIM) designed specifically for the Bently Nevada 3500 series machinery condition monitoring system. This module serves as the primary communication bridge between the rack and external devices (such as a PC or transient data interface (TDI)), supporting data acquisition, configuration management, and system communication. It is a key component in building predictive maintenance systems for industrial rotating machinery.

Core Functions
Communication Hub: Supports RS-232/RS-485 serial and Ethernet communications, and is compatible with protocols such as TCP/IP and Modbus TCP, enabling real-time data transmission and remote monitoring.
Plug-and-Play: The modular design and DIN rail mounting support allow for seamless integration into existing 3500 system racks, simplifying deployment. High Reliability: Operating temperature range -40°C to +85°C, and EMI-resistant design, suitable for harsh industrial environments such as power plants, petrochemicals, and metallurgy.
Redundancy Support: In a TMR (triple redundant) configuration, it can be expanded to a TMR RIM version. By comparing the outputs of redundant monitors, it automatically identifies anomalies and triggers alarms, ensuring system safety.

Technical Parameters
Model: 3500/20-01-02-00 (Part Number: 125744-02)
Communication Interface: RS-232/RS-485 + Ethernet (10/100 Mbps)
Protocol Support: TCP/IP, UDP/IP, Modbus TCP, BACnet
Power Requirement: 24V DC (typical power consumption 4.75W)
Dimensions: Approximately 241mm × 24mm × 242mm (H × W × D)
Weight: 1.2kg
Certification: CSA/NRTL/C optional

Application Scenarios
Rotating Machinery Monitoring: Real-time collection of parameters such as vibration, displacement, and speed. Suitable for critical equipment such as steam turbines, compressors, pumps, and fans.
Predictive Maintenance: Trend analysis and threshold alarms enable early detection of potential faults such as bearing wear, shaft misalignment, and imbalance.
System Integration: Supports integration with DCS, SCADA, MES, and other platforms, facilitating factory intelligent upgrades.

Ordering Information
Standard Model: 3500/20-01-02-00 (125744-02)
TMR Redundant Model: 3500/20-02-02-00 (125744-01)
Supporting I/O Modules: 125768-01 (RS-232/RS-485 Interface), 135031-01 (Internal Modem Interface).

Service Support
Provides a 12-month warranty, technical consulting, and customized system integration solutions.

Keywords
Bently Nevada 3500/20-01-02-00, 125744-02 Rack Interface Module, 3500 Series RIM, rotating machinery monitoring, predictive maintenance, industrial automation, Modbus TCP communication, TMR redundant system.

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