BENTLY 350020 Rack Interface Modules

Alarm/Event Lists

Extensive alarm and event lists retain the 2000 most recent alarm events and 1000 most recent system

events (configuration changes, errors, etc.). 

The system’s TDI retains the lists, which provide a description of each alarm or event and a corresponding date/time stamp. 

These lists are available to the 3500/94M VGA Display module and also to the Communication Gateway module for export to process

control, historian, or other plant systems.

Time Synchronization

The system’s real-time clock can be synchronized with external clocks, via the Communication Gateway or via

connected Bently Nevada software.

The 3500 System’s alarm and event lists then provide time/date stamps that are synchronized with alarms

and events in other process and automation equipment.

This reduces or eliminates the need for elaborate, hardwired “Sequence of Event” recorders.

API 670 Compliance When configured properly, supplied with the correct number of relay modules, and provided with an

appropriate optional display, the 3500 System complies with the latest edition of the 

American Petroleum Institute (API) Standard 670 for Machinery Protection Systems, for shaft-relative vibration, axial position,

temperature, reciprocating compressor rod drop, and casing vibration.

Hot Insertion

All Monitors and Power Supplies (when redundant supplies are used) can be removed or inserted when the rack is under power. 

This facilitates easier maintenance and system expansion without interruption of machinery protection functions or system operation.

Display Options

Displays can range from local units mounted directly on

the rack’s front panel, to remote displays, to completely

blind monitoring systems with an as-needed HMI

(Human Machine Interface) connection for

configuration and information. Multiple displays can be

connected concurrently without degrading system

performance or interrupting basic machinery protection

functions. See Graphs and Figures for more information

on VGA Touch Screen display options.

Description

The 2300 Vibration Monitors provide cost-effective continuous vibration monitoring and protection capabilities for less critical and spared machinery. 

They are specifically designed to continuously monitor and protect essential

medium to low criticality machinery in a wide range of industries including: oil & gas, power generation, water

treatment, pulp and paper, manufacturing, mining, cement,and other industries.

The 2300 Vibration Monitors deliver vibration monitoring and high vibration level alarming. 

They include two channels of seismic or proximity measurement inputs from various accelerometer, Velomitor and Proximitor types, a speed input

channel for time-synchronous measurements, and outputs for relay contacts. The 2300/20 monitor features a

configurable 4-20 mA output which interfaces more points to a DCS. 

The 2300/25 monitor features System 1 Classic connectivity for Trendmaster SPA interface which enables

users to leverage existing DSM SPA infrastructure. 

The 2300 Vibration Monitors are designed for using on a broad range of machine trains or individual casings where

the sensor point count fits the monitor’s channel count and where advanced signal processing is desired.

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