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Multiple Output Interfaces

You can conveniently adjust monitor options (such as full scale ranges, transducer inputs,

recorder outputs, alarm time delays, alarm voting logic, and relay configuration) in the field via software.

Modular system design employs plug-in components which allow easy servicing and expansion.

The following three independent interfaces are available with the 3500 system:

• Data Manager Interface (Transient Data Interface External or Dynamic Data Interface External)

• Configuration/Data port

• Communications Gateway (support for Programmable Logic Controllers,

Process Control Computers, Distributed Control Systems, and PC-based Control Systems)

These interfaces allow you to easily view monitored parameters and their statuses in the following ways:

• System 1® Software

• Bently Nevada™ 3500 Operator Display Software

• Remote display panel

• DCS or PLC display

Convenient front panel coaxial connectors provide dynamic transducer signals

and allow you to connect diagnostic or predictive maintenance instruments.

Improved Integration to Plant Control Computer

The 3500 improves integration to the plant control computer with:

• Communication Gateways supporting multiple protocols

• Time synchronized vibration and process information

Reduced Installation and Maintenance Costs

The 3500 system provides the following cost-saving features:

• Reduced cabling costs

• Downward product compatibility

• Improved space utilization

• Easier configuration

• Reduced spare parts

• Improved serviceability

Improved Reliability

The 3500 offers several features to improve system reliability.

• Redundant power supplies available

• Triple Modular Redundant (TMR) monitors and relay cards available

Intrinsic Safety Option

If you wish to monitor equipment that is located in hazardous atmospheres,

the 3500 Monitoring System has a range of I/O modules with internal zener barriers.

These modules provide an Intrinsically Safe interface between the 3500

rack and the transducers located in the hazardous area.

3500 Monitoring System

The 3500 is a full-feature monitoring system whose design incorporates the latest in proven processor technology.

In addition to meeting the above stated criteria, the 3500 adds benefit in the following areas:

• Enhanced operator information

• Improved integration to plant control computer

• Reduced installation and maintenance cost

• Improved reliability

• Intrinsic Safety (IS) option

The following sections discuss these benefits in more detail.

Enhanced Operation Information

The 3500 design includes features to both enhance the operator’s information

and present this information so that the operator may easily interpret it.

These features include:

• Improved data set

– Overall amplitude

– Probe gap voltage

– 1X amplitude and phase

– 2X amplitude and phase

– Not 1X amplitude

• Windows®-based Operator Display Software

• Data displayed at multiple locations

Monitoring and computerized vibration information systems provide the information

you need to assess the mechanical condition of rotating and reciprocating machinery.

These systems continuously measure and monitor various supervisory parameters

and provide crucial information for early identification of machinery problems such as imbalance,

misalignment, shaft crack, and bearing failures.

As such, these systems are an efficient and effective means of satisfying plant management,

engineering, and maintenance concerns for:

• Increasing plant safety by minimizing the occurrence of hazardous conditions or catastrophic failures.

• Improving product quality by minimizing process variances caused by improperly operating equipment.

• Maximizing plant availability by servicing only those machines that require it and providing more efficient turnarounds.

• Reducing plant operating costs by minimizing unplanned shutdowns and by making more efficient use of maintenance resources.

For protection of critical machinery, we highly recommend that you permanently install continuous monitoring systems.

The term “protection” means that the system can shut down machinery on alarm, without human interaction.

These systems include applicable transducers, each with its own dedicated monitoring circuitry and alarm setpoints.

The 3500 Monitoring System is the newest addition to the family of continuous monitoring systems offered by Bently Nevada, LLC.

Related Documents

For probe information, refer to the following

manuals:

n 3300 XL 8mm & 3300 5mm Proximity

Transducer System User Guide

(Document 141078)

n 3300 XL NSv Proximity Transducer System

User Guide (Document 147357)

n 3300 XL 11mm Proximity Transducer

System Installation User Guide

(Document 146255)

n Radiation Resistant Probe and Proximitor

System (Document TW8029407)

Sleeve length is determined by the location in

which the probe and housing are installed. The

probe lead must be longer than the sleeve.

Sleeve lengths longer than 304 mm (12 inches)

require additional sleeve support to reduce the

vibration associated with unsupported long sleeve lengths.

Bently Nevada offers a probe support and oil

seal (part number 37948-01) for long sleeves

that must go through an inner bearing

housing. We also make custom sleeve supports.

The 21000 and 24701 Proximity Probe Housing Assemblies are

available with Canadian Standards Association (CSA)

approvals. They are rated explosion proof for hazardous areas.

You can order hazardous area approved proximity probes

with 21000 aluminum and 24701 stainless steel housings for

intrinsically safe applications. Both housings

are certified as CSA Type 4 enclosures and are

fully compliant with the American Petroleum

Institute’s (API) 670 Standard for externally

mounted proximity probe housings.

The 164818 Compact Proximity Probe Housing is

also available for applications with space

restrictions. Ceramic capped probes are

available with the 164818 housing.

Sleeve length is determined by the location in

which the probe and housing are installed. The

probe lead must be longer than the sleeve.

Sleeve lengths longer than 304 mm (12 inches)

require additional sleeve support to reduce the

vibration associated with unsupported long sleeve lengths.

Bently Nevada offers a probe support and oil

seal (part number 37948-01) for long sleeves

that must go through an inner bearing

housing. We also make custom sleeve supports.

Description

To externally mount proximity probes, use one of these allmetal Proximity Probe Housing Assemblies:

l 21000 aluminum probe housing assembly

l 24701 stainless steel probe housing assembly

The 21000 and 24701 Proximity Probe Housing Assemblies

consist of the following parts:

l A dome cover that screws into the body of the housing

l Threaded ports for conduit connections

l A probe sleeve of optional length

l 0-rings

l A reverse mount proximity probe

l A thread seal

l Optional conduit fittings

l An optional standoff adapter

A newer 31000/32000 proximity probe housing

assembly is available with more flexible mounting

options, better environmental resistance, and other

improved features. We recommend this proximity

probe housing assembly for installations where an

explosion proof housing is not required. See 31000 and

32000 Proximity Probe Housings product datasheet

(document 141610).

The 200350 and 200355 Accelerometers contain a

piezoelectric sensing device, which generates charge

when subjected to vibration.  This charge is then

converted electronically to a differential voltage signal,

which is proportional to the acceleration that is parallel

to the sensitive axis of the transducer.

Most common machine malfunctions (unbalance,

misalignment, etc.) occur on the rotor and

originate as an increase (or at least a change) in

rotor vibration. For any individual casing

measurement to be effective for overall machine

protection, the system must continually transmit a

significant amount of rotor vibration to the

machine casing, or mounting location of the transducer.

In addition, be careful to install the accelerometer

transducer on the bearing housing or

machine casing. Improper

installation may decrease the

transducer amplitude and frequency

response and/or generate false

signals that do not represent actual

vibration. Refer to the appropriate

instruction manuals and Application Notes.

Upon request, Bently Nevada provides

engineering services that can identify

the appropriate machine housing

measurements and installation

assistance if needed.

Description

The 200350 and 200355 Accelerometers are general

purpose, case-mounted seismic transducers designed

for use with Trendmaster Pro Constant Current Direct

Input Card, part number 149811-02 and the Seismic

Direct Input Card, part number 164746-01.

The 200350 and 200355 Accelerometers are contained

within a hermetically sealed, stainless steel case.  The

design provides an extremely rugged transducer, well

suited for harsh industrial environments.  Each

transducer’s top mounted, 2-pin connector (MIL-C5015) allows for easy installation and removal of the

interconnecting signal cable.  A ¼-28 threaded hole on

the bottom of the casing accommodates multiple

mounting options.

Description

The 3300/05 rack is a durable, easy to access, expandable mounting medium for

the 3300 Monitoring System. It accommodates a Power Supply, System Monitor,

and various types of 3300 Monitors. Each monitor position in the rack includes a

Signal Input/Relay Module position at the rear of the rack. The rack mainframe is

manufactured in sections from an injection molded plastic; a conductive antistatic

material dissipates electrostatic discharge.

The rack bezel allows you to individually identify machine/monitor points or loop

numbers by using the factory engraved bezel tags or clear plastic strips over

paper tags. The 3300 modular design eliminates the need for internal rack

wiring and allows easy expansion to meet your increased monitoring

requirements.

The left-most position (position 1) of the rack is designated for the Power Supply.

The position next to the Power Supply (position 2) is reserved for the System

Monitor. The other rack positions (3 through 14) are available for any

combination of individual monitors.