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Overview

The 3500/40M (135489-04) is a sophisticated four-channel signal processing unit designed for the Bently Nevada 3500 rack system. It specializes in converting high-frequency proximity sensor data into precise machinery health metrics. By utilizing the 135489-04 Barrier I/O, this module provides integrated intrinsic safety, allowing for direct interface with transducers located in hazardous environments without the need for external safety barriers. Each channel is fully programmable to handle diverse monitoring profiles, from simple axial thrust to complex rotor dynamics.

Specifications

  • Channel Capacity: Support for 1 to 4 independent proximity transducer inputs.

  • I/O Configuration: Internal Barrier I/O with internal termination for streamlined wiring.

  • Typical Power Consumption: 7.7 Watts under standard operating conditions.

  • Operating Temperature (Barrier): 0°C to +65°C (32°F to +150°F) for safe and reliable performance.

  • Storage Temperature Range: -40°C to +85°C (-40°F to +185°F) to ensure component longevity.

  • Humidity Tolerance: Up to 95% non-condensing relative humidity.

  • Physical Height: 241.3 mm (9.50 in).

  • Physical Width: 24.4 mm (0.96 in).

  • Physical Depth: 163.1 mm (6.42 in).

  • Weight: 0.46 kg (1.01 lb).

  • Rack Requirement: Occupies one full-height rear slot in the 3500 chassis.

Functional Monitoring Capabilities

  • Radial Vibration: Precise measurement of shaft dynamic motion for detecting imbalance.

  • Thrust Position: Critical axial displacement tracking to protect against bearing damage.

  • Eccentricity: Monitoring shaft bow during slow-roll startup sequences.

  • Differential Expansion: Tracking the relative growth between machine casings and rotors.

  • REBAM: Specialized rotor effective bearing acceleration measurement for rolling element components.

Industry Applications

The 3500/40M (135489-04) is essential for high-risk assets in the petrochemical and power generation sectors. It is frequently deployed on centrifugal compressors, steam turbines, and large-scale pumps where the presence of explosive gases requires the intrinsic safety provided by the barrier-style I/O.

Frequently Asked Questions

What is the advantage of the internal barrier in the 135489-04 module?The 135489-04 simplifies installation by removing the need for external zener barriers in the cabinet, significantly reducing space requirements and potential points of failure.

Is this module compatible with standard 3300 XL sensors?Yes, the 3500/40M is designed to interface seamlessly with 3300 XL 5mm, 8mm, and 11mm Proximitor systems via software configuration.

Can this unit be replaced while the system is live?The module supports hot-swapping within the 3500 rack, allowing for maintenance without interrupting the power supply to other monitoring channels.

What's clients say about us

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