Bently Nevada 2300/20-02 2300 Series 2-Channel Vibration Monitor

Description

Designed to deliver continuous machinery protection, the Bently Nevada 2300/20-02 serves as a dual-channel vibration monitoring instrument for auxiliary and essential industrial assets. This compact device integrates advanced digital signal processing with local relay outputs and standard industrial interfaces, enabling reliable stand-alone machine monitoring without the footprint of a traditional chassis-based system. The module features high-precision analog-to-digital converters and supports multiple transducer types to accurately capture velocity, acceleration, and displacement metrics on rotating machinery.

Features

• Dual-Channel Monitoring: Two fully independent vibration channels configured for radial vibration, shaft eccentricity, or casing velocity.
• Keyphasor Input: Dedicated speed/phase channel supporting magnetic pickups and proximity probes for synchronized phase calculations.
• Local Protection Relays: Integrated Alert and Danger dry-contact relays designed to actuate automatic machinery shutdown loops.
• Proportional Outputs: Dual 4-20 mA outputs configured to output overall vibration levels directly to plant control systems.
• Ethernet Connectivity: Built-in RJ45 port supporting Modbus TCP/IP for seamless transmission of static data, alarm status, and diagnostics.
• Buffered Dynamic Outputs: Front-facing coaxial BNC connectors providing unfiltered dynamic signals for direct oscilloscope or portable analyzer hookup.

Applications

• Centrifugal, axial, and reciprocating pumps and compressors.
• Industrial fans, blowers, and air-handling units.
• Electric motors, generators, and small steam turbines.
• Cooling tower gearboxes and drive shaft couplings.

Technical Specifications Table

Connections and Interfaces

Alternative Models & Compatibility

The 2300/20-02 module belongs to the versatile 2300 series. If replacing older legacy monitoring modules, confirm that your system's current transducer voltage configurations (e.g., -24 Vdc vs constant-current) match the sensor hardware physically installed in the field. Firmware version configuration alignment is required to ensure faultless data mapping inside existing SCADA or DCS host systems.

Application Pitfalls & Engineering Notes

To prevent common mode electrical noise from distorting low-voltage vibration readings, sensor cables must never run in close proximity to high-voltage lines or Variable Frequency Drive (VFD) output cables. Install all transducer lines within a dedicated, continuous metal conduit. Ensure that the DIN rail grounding terminal is connected directly to a low-impedance industrial instrumental ground bus to maintain signal stability.

Commissioning & Wiring Tips

When configuring the speed/Keyphasor channel for the first time, it is highly critical to set the trigger threshold parameters inside the configuration software tool to accurately match the physical shaft notch depth. Failure to properly dial in the triggering hysteretic settings will cause multi-triggering errors, resulting in corrupt phase-angle readings and false machinery speed calculations.

Installation Guidelines