Bently Nevada 3500/53 Electronic Overspeed Detection System

Overview

The Bently Nevada™ 3500/53 provides highly reliable overspeed protection for rotating machinery, integrating seamlessly into the 3500 Series Machinery Protection System. It delivers rapid response and redundant tachometer systems, ensuring both safety and efficiency. Designed to meet API Standards 670 and 612, it guarantees compliance with industry-leading overspeed protection guidelines.

This module allows configuration in either a 2-out-of-2 or 2-out-of-3 voting system, which improves reliability, especially in safety-critical applications. A 3500 rack with redundant power supplies supports this system, ensuring uninterrupted operation.

Key Features

Overspeed Protection: Complies with API 670 and API 612 standards, providing essential protection for rotating machinery.
Redundant System Configuration: You can configure the system as 2-out-of-2 or 2-out-of-3, enhancing reliability and safety.
Fast Response: The system detects overspeed conditions quickly, preventing damage and improving operational safety.

Technical Specifications

Input

Feature	Specification
Input Signal	Accepts signals from proximity probes or magnetic pickups.
Signal Voltage Range	+10.0 V to -24.0 V (signals outside this range are internally limited).
Input Impedance	20 kΩ
Transducer Compatibility	Works with Bently Nevada™ 3300 8 mm Proximitor, 3300 16 mm HTPS, 7200 Proximitor, and magnetic pickups.
Power Consumption	8.0 watts (typical).

Alarms

Feature	Specification
Adjustable Alarm Range	Alarm thresholds adjustable across the full-speed range, typically from 0 to 100%.
Alarm Time Delays	Less than 30 ms when operating above 300 Hz.
Alarm Configuration	You can fine-tune alarm parameters using software.