Bently Nevada 3500 Machinery Condition Monitoring

Description

The 3500 System provides continuous, online monitoring suitable for machinery protection applications, and is designed to meet the requirements of the American Petroleum Institute’s API 670 standard for such systems. The system’s modular rack-based design includes the following components:

3500/05 Instrument Rack (required)

One or two 3500/15 Power Supplies (required)
3500/22M Transient Data Interface (TDI) Module (required)
One or more 3500/XX Monitor Modules (required)
One or more 3500/32M (4-channel) or 3500/33 (16-channel) Relay Modules (optional)
One or two 3500/25 Keyphasor* Modules (optional)
One or more 3500/92 Communication Gateway Modules (optional)
Input/Output (I/O) Modules (required)
3500/94M VGA Display (optional)
Internal or external intrinsic safety barriers, or galvanic isolators for hazardous area installations (optional)
3500 System Configuration Software (required)

Applications

Machine types addressed by the 3500 System include but are not limited to the following:

Industrial gas and steam turbines in power
generation and mechanical drive service
Aeroderivative gas turbines in power generation and mechanical drive service
Hydro-electric turbines in power generation service
Air or Process Gas Compressors (radial/axial, centrifugal/positive displacement)
Turbo Expanders
Electric motors and generators
Exciters
Gear boxes
Pumps (centrifugal and positive displacement)
Fans
Blowers
Reciprocating compressors
Extruders and pelletizers

In addition, Bently Nevada Custom Products engineering can often address special requirements for custom configuration of an existing monitor type or modifications to a standard monitor type to accommodate monitoring of a unique machine. Contact your local sales professional for further information.

Communications

The 3500 System features separate, concurrent digital communication capabilities for 3500 Configuration software and System 1 Condition Monitoring and Diagnostic software using proprietary protocols via Ethernet connections.
The 3500 System communicates with process control and other plant automation systems using industry-standard protocols via the 3500’s Communications Gateway module.

In addition, analog (4 to 20 mA and relay) outputs are available for connection to older plant controls that cannot support digital interfaces.

Reliability and Integrity

The 3500 System can be configured with varying levels of redundancy. This ranges from simplex modules to dual power supplies to redundant relay modules with wide ranging and flexible logical operator options for configuring complex relay logic as needed. The 3500 System also offers a variety of Safety Integrity Level (SIL) certifications (SIL 1 and SIL 2) for various 3500 monitors used in safety instrumented systems subject to Functional Safety Certification.

The 3500 System incorporates numerous selfmonitoring functions that can identify faults in the monitor modules and their connected transducers, annunciate and identify problems via appropriate error codes, and suppress channel operation automatically when a failure could compromise correct operation of the system.

The 3500 System stores configuration settings in two separate locations in each module’s non-volatile memory. This redundancy allows each module to compare configuration information for agreement and to flag any anomalies.

The use of redundant, non-volatile memory also accommodates programming a spare module ahead of time. It also ensures that, in the event a redundant power supply is not used, monitor configuration is not lost when power is interrupted and monitoring functions can resume immediately upon reapplication of rack power. Refer to the Bently Manuals DVD for 3500 SIL Safety Manuals.

Stock part list:

Post time: Oct-28-2025

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