Bently Nevada|3500/23E|Transient Data Interface (TDI) Module

Bently Nevada 3500/23E Transient Data Interface (TDI) Module

The Bently Nevada 3500/23E TDI is the communication interface between the 3500 ENCORE monitoring system and GE’s System 1® software, combining System Monitor functionality with advanced data collection capabilities. It resides in Slot 1 of the 3500 ENCORE rack.

Features

• Collects steady-state and transient waveform data via Ethernet
• Supports static and dynamic data capture (requires optional Channel Enabling Disk for transients)
• Integrates with automation systems using RS232/RS422/RS485 and Ethernet protocols
• Includes front-panel controls: reset button, display switches, and RUN/PROGRAM keylock mode selector

Technical Specifications

Power & Communication

• Ethernet Ports
  • 2 x 10Base-T / 100Base-TX
  • Auto-sensing RJ-45 connectors
  • Max Cable Length: 100 meters
• Serial Communication
  • Protocols: RS232, RS422, RS485
  • Max Baud Rate: 115.2 kbaud
  • Max Cable Length:
    • RS232: 30 meters
    • RS422/RS485: 1220 meters

Data Collection

• Keyphasor Inputs
  • 4 channels
  • Supports up to 20 kHz multiple events per revolution
• Waveform Sampling
  • Synchronous: 16–1024 samples/rev over 2–128 revolutions
  • Asynchronous: 10Hz–30kHz spans, anti-alias filtered
• Alarm Data
  • Static Values: 1s and 100ms intervals
  • Waveforms: Pre/post-alarm capture available

Environmental & Compliance

• Operating Temperature: 0°C to +65°C
  • Requires 300 ft/min airflow above +55°C
• Storage Temperature: -40°C to +85°C
• Compliance
  • CE Mark: EN61000-6-4 (EMC), EN61010-1 (Safety)
  • Hazardous Area: Class I, Div 2 (T4A @ -20°C to +60°C)

Physical

• Dimensions: 228 × 50 × 289 mm (8.97" × 1.98" × 11.39")
• Weight: 1.45 kg (3.2 lb)

Protocols

• Modbus® RTU
• BN Host Protocol
• BN TDI Protocol over Ethernet TCP/IP

Battery Life

• Powered: 38 years @ 50°C
• Unpowered: 12 years @ 50°C