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3500/72M 140734-08 Bently Nevada Position Monitor Module

3500/72M 140734-08 Bently Nevada Position Monitor Module

Product Description

The 3500/72M (part number 140734-08) is a high-performance four-channel position monitor engineered for the Bently Nevada 3500 Series Machinery Protection System. This module is specialized for processing signals...

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Availability: Low stock: 10 left

SKU: 3500/72M 140734-08
Vendor: Bently Nevada
Category: Position Monitor Module
Related Series:

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Product Description

The 3500/72M (part number 140734-08) is a high-performance four-channel position monitor engineered for the Bently Nevada 3500 Series Machinery Protection System. This module is specialized for processing signals from proximity transducer systems to provide both dynamic and static position data. It is a critical component for monitoring axial thrust, radial position, and valve differential expansion in high-speed rotating machinery, ensuring mechanical clearances remain within safe operational limits.

Technical Specifications

Specification Details
Channel Density 4 independent monitoring channels per module
Signal Processing High-speed digital signal processing (DSP) for 24-bit resolution
Input Compatibility Compatible with Proximitor sensors (3300, 3300 XL, and 7200 series)
Measurement Types Axial Position, Radial Position, and Differential Expansion
Alarm Configuration User-programmable Over/Under alarm setpoints with time delay logic
Data Output Buffered transducer outputs via front panel BNC connectors
Dimensions 241.3 mm x 24.4 mm x 241.8 mm 
Net Weight 0.91 kg
Environmental Rating -30°C to +65°C

Operational Expertise

The 140734-08 variant offers enhanced firmware capabilities compared to legacy position monitors. It continuously compares transducer DC gap voltages against programmed limit values. If a rotor moves beyond the safety threshold, the module triggers integrated relay logic via the rack backplane to initiate machinery trips, effectively preventing catastrophic internal contact and extending the lifecycle of thrust bearings.

Engineering FAQ

Q: Does the 140734-08 module support the 3500/92 Communication Gateway?
A: Yes, all data processed by the 3500/72M is accessible through the 3500/92 module via Modbus or Ethernet protocols, allowing for seamless integration into plant-wide DCS or SCADA systems.