Bently Nevada 136483-01 Isolated 4–20mA I/O Module

Overview

The Bently Nevada 136483‑01 is a high-precision isolated current-loop I/O module engineered for the 3500/62 Process Variable Monitor. It facilitates the integration of external 4–20 mA sensors—such as pressure, temperature, flow, or vibration—into the 3500 Machinery Protection System, enabling comprehensive machine condition monitoring, real-time alarm triggering, and early warning of abnormal operating conditions.

Key Features

• Fully isolated 4–20 mA input channels for multiple external process variables

• Direct compatibility with the Bently Nevada 3500/62 Process Variable Monitor

• Supports loop-powered 4–20 mA sensors commonly used in industrial monitoring

• Provides proportional data for vibration, pressure, temperature, and flow measurements

• Alarm functionality triggered when monitored values exceed predefined limits

• External termination support for flexible field wiring and installation

• Designed for robust machine protection and preventive maintenance applications

• Factory-new, genuine Bently Nevada hardware

Technical Specifications

General Specifications

Electrical Specifications

• Input Current Range: +4 to +20 mA DC loop

• Sensor Compatibility: Loop-powered 4–20 mA process sensors (vibration, pressure, temperature, flow)

• Electrical Isolation: Fully isolated input channels for noise immunity and personnel safety

• Wiring: Supports external terminations for flexible field connection

Functional Specifications

• Monitors multiple process variables and converts them into proportional data for system integration

• Enables early detection of abnormal conditions to prevent equipment damage

• Provides alarms and alerts when values exceed configured thresholds

• Integrates seamlessly into the 3500 machinery protection system for holistic machine monitoring

Applications

• Industrial machinery condition monitoring

• Turbines, compressors, and pump vibration integration

• Temperature, flow, and pressure process monitoring

• Preventive maintenance and early fault detection

FAQ

Q: Can the 136483‑01 module handle more than one sensor type simultaneously?
A: Yes, it can integrate multiple 4–20 mA loop-powered sensors of different types simultaneously.

Q: How does this module differ from the Bently Nevada 136482 series?
A: The 136483‑01 provides isolated channels for enhanced noise immunity, while the 136482 series offers non-isolated input channels suitable for less electrically noisy environments.