Product Details:

The BENTLY NEVADA 3500/53 overspeed detection module is a triple-channel safety-critical monitor module for the Bently Nevada 3500 machinery protection rack system. This turbine speed protection module receives pulse signals from proximity probes or magnetic pickups mounted on rotating shafts, continuously measuring shaft rotational speed and executing high-speed overspeed protection judgment. The 3 channel speed monitor supports 2-out-of-3 voting logic to avoid false shutdown caused by single sensor or channel fault, complying with API 670 industry standard for turbomachinery safety protection. When the rotating speed exceeds the preset overspeed threshold, the module outputs trip signals immediately to trigger emergency shutdown of turbines and compressors. It has ultra-fast trip response time to prevent catastrophic equipment damage caused by over-speed operation. Front panel LED indicators display module health status, communication activity, bypass state and alarm conditions. The module supports hot swapping without interrupting the safety protection function of the whole rack. Built-in continuous self-diagnosis function detects sensor open circuit, short circuit and module hardware faults in real time. It can map speed measurement data to rack communication modules for remote reading by DCS and PLC systems. It is widely applied on large steam turbines, gas turbines and centrifugal compressors in power generation, petrochemical and offshore oil industries, serving as the core safety component for overspeed protection of high-speed rotating machinery.

Brand: Bently Nevada

Model:3500/53

Product Type: Triple Channel Overspeed Detection Module

Channels:3 independent speed input channels

Input:Proximity probe, magnetic pickup

Trip Logic:2-out-of-3 voting

Power Consumption:8.0W typical

Operating Temperature:-30℃ ~ +65℃

Feature:High speed trip response,API 670 compliant,hot swappable,self-diagnosis,anti false trip

Application:Bently Nevada 3500 machinery protection rack turbomachinery overspeed safety protection