The Bently Nevada 135137‑01 module is a 4‑channel position I/O unit designed for use within the 3500/45 monitoring system. It supports internal termination and accepts input from a wide range of displacement and rotary sensors, including Proximitors, Rotary Position Transducers (RPTs), DC and AC LVDTs, and rotary potentiometers.
Specifications
Manufacturer: Bently Nevada
Model:135137‑01
Series: 3500
Product Type: Position I/O Module with Internal Terminations
Input Channels: 4
Supported Sensors: Proximitors, RPTs, DC LVDTs, AC LVDTs, rotary potentiometers
Signal Processing: Channel pairs configurable for independent or shared monitoring functions
Alarm Logic: Real‑time comparison against programmable alert and danger setpoints
Dimensions: 241 mm × 24.4 mm × 99.1 mm
Weight: 0.44 kg
Country of Origin: United States
Features
Accepts multiple sensor types for flexible position monitoring
Internal termination simplifies cabinet wiring and layout
Each channel pair can perform distinct monitoring functions
Provides both protection and diagnostic data for rotating machinery
Designed for continuous operation in high‑availability systems
Application Scenarios
Shaft position monitoring in turbines and compressors
Valve travel and actuator displacement feedback
Integration with Bently Nevada 3500/05 racks in machinery protection systems
Suitable for OEM and retrofit installations in energy and process industries
FAQ
Q: Can the 135137‑01 module be used with AC LVDTs? A: Yes, it supports both AC and DC LVDTs, along with RPTs and Proximitors.
Q: Are the channels isolated? A: Channels are independently processed; isolation depends on system configuration.
Q: How are alarm thresholds configured? A: Setpoints are defined via system software and applied per channel pair.
