Bently Nevada 3500/70-01-00 3500 Series Recip Impulse/Velocity Monitor

Description

Designed as an integral component of the 3500 Machinery Protection System, the Bently Nevada 3500/70-01-00 serves as a specialized four-channel monitoring module. This instrument is engineered to process signals from proximity transducers, velocity transducers, and acceleration transducers, focusing specifically on reciprocating compressor evaluation. By continuously measuring impulsive events and vibrational levels, it assists maintenance teams in detecting mechanical deterioration, loose parts, and valve degradation before severe damage occurs.

The configuration of this module features the Prox/Velom I/O Module with Internal Terminations (Option 01) and does not include special hazardous area agency approvals (Option 00). It operates inside a standard 3500 instrument rack, interfacing directly with the system's backplane for power, configuration, and alarm signaling. Real-time diagnostic data is accessible via the rack interface, allowing integration with condition monitoring software systems.

Features

• Four channels of continuous, independent monitoring for comprehensive machinery coverage.
• Configured specifically for reciprocating compressor impulse and velocity measurements.
• Direct interface with proximity, velocity, and accelerometer sensors.
• Internal terminations on the proximity/velocity I/O module to simplify rack wiring and minimize panel footprint.
• Supports programmable alarm setpoints for alert and danger levels to protect critical industrial assets.
• Real-time buffered transducer outputs on the front panel for streamlined diagnostic analysis.

Applications

• Reciprocating compressor crankcase and cylinder monitoring.
• Detection of loose crosshead pins, loose bolts, and liquid slugging in heavy industries.
• Vibration analysis of low-speed reciprocating equipment.
• Power generation facilities and oil and gas processing plants.

Ordering Information

Technical Specifications

Connections and Interfaces

Installation Guidelines

• Rack Placement: Installs into any full-height slot of a standard 3500 series chassis (excluding slot 1 and slot 2, which are reserved for the Rack Interface Module and Power Supplies).
• Wiring: Connect field wiring directly to the rear-mounted internal termination block. Ensure proper routing of shielded transducer cables to prevent electromagnetic interference.
• Grounding: Verify that the 3500 rack is correctly connected to a dedicated instrument ground system to preserve signal integrity and reduce electrical noise.
• Hot-swapping: Adhere to official Bently Nevada 3500 system guidelines before attempting to remove or insert modules while the chassis is powered.