Bently Nevada 3500/46M 140734-06 Event Detection Module

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Product Description

The Bently Nevada 3500/46M Event Detection Sequence Module (140734-06) is a 4-channel monitor designed for the 3500 Machinery Protection System rack. It continuously monitors radial vibration from fluid-film (sleeve) bearing machines and detects abnormal events such as shaft-to-bearing contact, rubs, and instability conditions in real time.

When a configured event threshold is crossed, the module automatically records pre-event and post-event waveform data, capturing critical transient signals that would otherwise be lost. This data can then be downloaded to condition monitoring software such as System 1® for detailed diagnostics — enabling maintenance teams to perform root cause analysis and prevent catastrophic machinery failures.

The 3500/46M is widely used on turbomachinery trains in power generation, oil & gas, petrochemical, and LNG applications where early event detection is essential for asset protection.

Key Features

• 4-channel vibration monitoring — accepts proximity probe and velocity transducer inputs
• Automatic event capture — records pre/post-event steady-state and dynamic waveform data upon threshold violation
• Continuous protection — alarm drives, notech/toched status outputs, and relay integration via 3500/34 relay modules
• Enhanced transient detection — monitors shaft centerline position and vibration characteristics for early rub/contact detection
• Hot-swappable design — module replacement without powering down the 3500 rack
• Front panel LED status — OK, Alarm/Danger, Bypass, and Config Fault indicators
• Seamless software integration — compatible with System 1® condition monitoring platform and 3500/22M Transient Data Interface
• Flexible configuration — programmable alarms, time delays, and event thresholds via 3500 Rack Configuration Software

Technical Specifications

⚠️ *Specifications may vary depending on I/O module type and firmware version. Contact our team to confirm compatibility with your rack configuration.*

Applications

• Steam turbine and gas turbine train monitoring in power plants
• Compressor and expander protection in LNG and petrochemical facilities
• Fluid-film bearing machinery shaft rub and instability detection
• Critical rotating equipment condition monitoring in refineries
• Machinery diagnostics programs using System 1® or online monitoring architectures

Why Buy From Us?

• ✅ In stock — large inventory of 3500 series modules for same-day dispatch
• ✅ 12-month warranty on every module
• ✅ Tested & verified — each unit inspected before shipment
• ✅ Global shipping — DHL / FedEx / UPS express delivery
• ✅ Technical support — experienced engineers available for configuration and troubleshooting
• ✅ Competitive pricing — contact us for volume discounts and project packages

3500/46M 140734-06

Frequently Asked Questions (FAQ)

Q1: What is the difference between 3500/46M and 3500/46?
A: The 3500/46M is the enhanced “M” version of the Event Detection Sequence module, featuring improved event capture capabilities, updated firmware, and better integration with System 1® software. It is the recommended replacement for the earlier 3500/46.

Q2: Is 140734-06 compatible with older 3500 racks?
A: Yes. The module is compatible with standard 3500 racks. However, firmware and rack interface requirements should be verified — our technical team can assist with compatibility checks.

Q3: How does the event capture function work?
A: When vibration or position signals exceed programmable event thresholds, the module automatically stores waveform data collected before and after the event, allowing engineers to analyze the exact sequence leading to the abnormal condition.

Q4: Can the 3500/46M provide machinery protection as well as diagnostics?
A: Yes. It functions as both a protection monitor (driving alarms and relay trips) and a diagnostic tool (capturing event data for offline analysis).

Q5: What is the lead time and warranty?
A: In-stock items typically ship within 24–48 hours. All modules come with a 12-month warranty.

Related Products

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• Bently Nevada 3500/40M Proximitor* Monitor
• Bently Nevada 3500/22M Transient Data Interface Module
• Bently Nevada 3500/92 Communication Gateway Module
• Bently Nevada 3500/15 Power Supply Module
• Bently Nevada 3300 XL 8 mm Proximity Probe System

Request a Quote

Need the Bently Nevada 3500/46M 140734-06 for your machinery protection system? Contact us today for pricing, availability, and technical documentation.

BENTLY BRAND

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We maintain ample stock, offer fast lead times and deliver products with stable, reliable quality.

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