1900/65A-01-00-01-00-00 Bently Nevada 24VDC Machinery Protection

Product Overview

The Bently Nevada 1900/65A-01-00-01-00-00 acts as a self-contained, continuous-monitoring system for general-purpose rotating machinery. This module provides critical protection for motors, fans, and pumps by integrating high-speed vibration analysis with multi-point temperature tracking. We supply this unit as 100% brand new and original, delivered in factory-sealed packaging to ensure peak electronic integrity for mission-critical automation.

Part Number Breakdown: 1900/65A-AA-BB-CC-DD-EE

• 01 (AA): Attached Display Option (Integrated LCD for local data visualization).

• 00 (BB): No Display Cable (Direct mount configuration).

• 01 (CC): DIN Rail Mount (Facilitates rapid installation on standard 35mm rails).

• 00 (DD): None (Standard non-hazardous area approvals).

• 00 (EE): None (Standard communication configuration).

Technical Specifications

Engineering Advantages

Comprehensive Signal Acquisition

The 1900/65A monitors four vibration points and four temperature points simultaneously. This dual-capability eliminates the need for separate monitoring hardware, reducing cabinet footprint and simplifying the wiring architecture for auxiliary equipment.

Standalone Protective Logic

This module executes protective relay logic independently of a central DCS. By assigning the six onboard relays to specific "Alert" or "Danger" setpoints, the 1900/65A triggers local alarms or machine trips instantly, providing a fail-safe layer of protection that functions even during network outages.

Direct Sensor Compatibility

The module accepts direct inputs from a wide variety of transducers without requiring external signal conditioners. It supports standard Proximitor* sensors, accelerometers, and velocity pick-ups, alongside various RTD and thermocouple types, making it a versatile "drop-in" solution for diverse machinery sets.

Seamless Software Integration

While the 1900/65A operates perfectly as a standalone monitor, it communicates seamlessly with Bently Nevada System 1* and Trendmaster* Pro software. This allows engineers to trend long-term data, perform spectral analysis, and generate predictive maintenance reports across the entire plant network.

FAQs

How does the DIN rail mounting option (01) benefit high-vibration environments?

The 01 mounting option provides a high-retention clip designed to lock onto 35mm DIN rails. This secures the module against the constant mechanical vibrations typical of motor control centers (MCC) and pump skids, preventing intermittent power or signal loss.

Can I configure the 4-20 mA outputs for specific measurement ranges?

Yes. You can map the four analog recorder outputs to any of the vibration or temperature variables monitored by the system. This allows you to feed real-time machinery health data directly into your PLC or DCS for localized control loops.

What is the function of the "Attached Display" (01) on this specific part number?

The 01 display option provides an integrated LCD on the front panel. This allows maintenance personnel to view current values, alarm status, and system configuration directly at the machine site without connecting a laptop or handheld communicator.