• Model: 3500/22M-01-01-00 | Brand: Bently Nevada (USA) | Type: Transient Data Interface (TDI)
• Front Card: 138607-01 (Main processor/communication board)
• Back Card: 140734-01 (Rear I/O termination & power interface board)
• Communication: 10/100Base‑TX Ethernet, RS‑232/485 | Protocol: Modbus TCP/IP, System 1 proprietary
• Data Acquisition: Steady‑state + transient (waveform) data; 10kHz sampling, 16‑bit resolution
• Power Supply: +5V DC, ±12V DC (from rack) | Consumption: ~7.7W
• Operating Temp: −30°C ~ +75°C | Humidity: 0–95% non‑condensing
• Dimensions: 127×95×127mm | Weight: ~0.5kg | Mounting: 3500 rack slot 1 (adjacent to power supply)

• Dual‑card architecture (front 138607-01 + back 140734-01) for easy on‑site replacement and maintenance
• Combines 3500/20 RIM (rack interface) and TDXnet (data processor) functions in one module
• Continuous collection of vibration, shaft position, speed, and temperature data from M‑series monitors (3500/40M, 3500/42M)
• Captures pre‑ and post‑event transient data for fault diagnosis; storage limited only by onboard memory
• Enables remote configuration, real‑time monitoring, and historical data analysis via System 1 software

• Power plants: Turbine/generator vibration monitoring and protection systems
• Oil & gas: Compressor, pump, and rotating equipment condition monitoring
• Petrochemical: High‑speed machinery protection and fault diagnosis
• Heavy industry: Steel, mining, and paper mill critical asset monitoring

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