Description
- Manufacturer: Bently Nevada (Baker Hughes)
- Model Number: 3500/22M
- Part Number: 138607-01
- Device Type: Transient Data Interface (TDI) Module
- Function: Serves as the primary gateway between the 3500 monitoring system and external software (System 1/3500 Configuration Software).
- Communication: Ethernet (10Base-T/100Base-TX), RS-232 configuration port
- Integration: Combines Rack Interface Module (RIM) functionality with dynamic waveform data acquisition.
- Operating Temp: -30 °C to +65 °C (-22 °F to +150 °F)
- Series: Bently Nevada 3500 Series Monitoring Systems
The 3500/22M 138607-01 is a critical component of the Bently Nevada 3500 Machinery Protection System. It acts as the central interface that enables communication between rack-mounted monitoring modules and host software platforms. By integrating both steady-state data collection and high-speed transient (waveform) data acquisition, it provides essential insights for condition monitoring, vibration analysis, and machinery diagnostics.

🔍 Comparison with Related Modules
While the 3500/22M serves as the primary data interface, the 3500 system utilizes various other modules for specialized tasks. Unlike the standard RIM (Rack Interface Module), the 3500/22M includes advanced transient data capture capabilities required for predictive diagnostics.
| Bently Nevada 3500/22 3500/22M 138607-01 STANDARD TRANSIENT DATA INTERFACE MODULE DISCONTINUED Brand new Opens in a new window | Bently Nevada 3500/20/25/40M/60/32/92 Rack Interface Module Opens in a new window | Bently Nevada 3500/50 133388-02 I/O Module Opens in a new window | |
| ¥19,976 Opens in a new window | ¥1,190,421 Opens in a new window | ¥250,102 · Bently Nevada Opens in a new window | |
| Primary Function | Primary FunctionTransient Data Interface/Gateway | Primary FunctionRack Communication Interface | Primary FunctionSpeed/Phase Monitoring |
| Capability | CapabilityWaveform/Static Data Acquisition | CapabilityBasic Data Connectivity | CapabilityTachometer Signal Processing |
📋 Recommended 3500 Series Components
To build or maintain a full 3500 rack system, consider these commonly associated modules:
- 3500/15 (Power Supply Module)
- 3500/25 (Enhanced Keyphasor Module)
- 3500/32M (4-Channel Relay Module)
- 3500/40M (Proximitor Monitor)
- 3500/42M (Proximitor/Seismic Monitor)
- 3500/45 (Position Monitor)
- 3500/50M (Tachometer Module)
- 3500/60 (Temperature Monitor – Non-recorder)
- 3500/61 (Temperature Monitor – Recorder output)
- 3500/92 (Communication Gateway)


