135785-02 BENTLY

Product Description

The Bently Nevada 135785-02 is a component typically associated with the Bently Nevada 3500/40 Bently Nevada 3500/40 Proximitor Monitor or a related monitoring module within the Bently Nevada 3500 Series Machinery Protection System. While the exact function of the Bently Nevada 135785-02 (whether it’s a specific I/O module, terminal block, or a variant with distinct channel configurations) depends on its full part number or specific system context, in the 3500/40 series, such a component would generally deal with the input and processing of signals from proximity and seismic transducers. The Bently Nevada 135785-02 works in conjunction with a monitor module (e.g., 3500/40) to provide continuous monitoring and protection for critical machinery by converting raw transducer signals into usable values such as vibration amplitude, shaft position, or speed. It plays a vital role in ensuring machine health, detecting abnormalities, and triggering alarms or shutdowns to prevent costly equipment damage and downtime. The Bently Nevada 135785-02 is designed for robust performance and seamless integration into the 3500 monitoring system.

Product Parameters

As the exact function of the Bently Nevada 135785-02 can vary based on its full context (e.g., if it’s an I/O module for a specific monitor type or a specialized terminal block), typical parameters for a Bently Nevada 3500 I/O module or related component generally include:

Parameter	Specification
Module Type	I/O Module (often associated with 3500/40 Proximitor Monitor)
Number of Channels	Varies, typically 4 or 8 channels per I/O module
Input Compatibility	Proximity Transducers (3300 XL 8mm, 11mm, 25mm, 50mm, etc.), Seismic Transducers (Velomitors)
Voltage Requirements	-24 Vdc (from 3500 rack power supply)
Output Type	Processed data to 3500 monitor (e.g., vibration, position, speed)
Operating Temperature	0°C to +65°C (+32°F to +150°F) for general use
Storage Temperature	-40°C to +85°C (-40°F to +185°F)
Humidity	95%, non-condensing
Mounting	Rear panel of 3500 Series rack
Dimensions (HxWxD)	Standard 3500 Series I/O module dimensions (approx. 241.3 mm x 24.4 mm x 99.1 mm for standard I/O)
Weight	Typically 0.23 kg to 0.46 kg (0.5 lb to 1.0 lb)
Isolation	Channel-to-channel and channel-to-earth isolation (typical for high-end systems)
Compliance	CE Mark, CSA, ATEX, IECEx (for hazardous area approvals, if applicable)

Advantages and Features

The Bently Nevada 135785-02, as part of a Bently Nevada 3500 system, offers significant advantages and features for machinery monitoring:

High Accuracy and Reliability: As a core component of the Bently Nevada 3500 system, the Bently Nevada 135785-02 contributes to highly accurate and reliable data acquisition from critical transducers. This precision is vital for effective machinery protection.
Seamless System Integration: The Bently Nevada 135785-02 is designed for seamless integration with the Bently Nevada 3500 monitor modules and the overall rack system. This ensures efficient data flow and processing within a unified monitoring architecture.
Configurable for Diverse Applications: Depending on its exact configuration and the associated monitor, the Bently Nevada 135785-02 can be configured to support various measurement parameters (e.g., radial vibration, thrust position, differential expansion, speed, acceleration), making it adaptable to different machine types and monitoring needs.
Robust Industrial Design: Built to withstand harsh industrial environments, the Bently Nevada 135785-02 and its associated components are robust, ensuring long-term stable operation and minimizing the need for frequent replacements.
Scalability and Flexibility: As part of the modular 3500 system, the Bently Nevada 135785-02 contributes to a scalable solution, allowing users to expand monitoring capabilities by adding or reconfiguring modules as their requirements evolve.

Application Areas and Application Cases

The Bently Nevada 135785-02, as part of the Bently Nevada 3500 system, is widely used in industries requiring robust and reliable machinery protection:

Oil and Gas Industry: Essential for monitoring critical rotating equipment such as gas turbines, compressors, pumps, and generators in upstream, midstream, and downstream operations. It helps prevent catastrophic failures and ensures the safety of personnel and assets.
Power Generation: Used in thermal, nuclear, and hydroelectric power plants to monitor steam turbines, generators, boiler feed pumps, and cooling tower fans. It ensures the stable operation and longevity of power generation assets.
Chemical and Petrochemical Plants: Applied to monitor reactors, mixers, centrifuges, and other process machinery where continuous operation and prevention of unscheduled downtime are critical.
Heavy Manufacturing: Utilized in industries like steel production, pulp and paper, and mining for monitoring large motors, fans, and conveyor systems to optimize production and reduce maintenance costs.

Application Case: In a large natural gas pipeline compression station, multiple Bently Nevada 135785-02 I/O modules, paired with 3500/40 Proximitor Monitors, were installed to continuously monitor the vibration and shaft position of critical gas compressor trains. Each Bently Nevada 135785-02 module received signals from proximity probes measuring radial vibration and thrust position. The system was configured to trigger alarms when vibration levels exceeded predefined setpoints, indicating potential issues like rotor imbalance or bearing wear. On one occasion, the system detected a gradual increase in radial vibration on a compressor. The data, processed by the Bently Nevada 135785-02 and its associated monitor, allowed the maintenance team to identify the onset of a developing fault. They were able to schedule a controlled shutdown and perform a preventative overhaul, addressing the issue before it escalated into a major failure, thereby avoiding significant unplanned downtime and repair expenses for the critical pipeline operation.

Competitive Comparison

When evaluating the Bently Nevada 135785-02 (as an I/O module for the 3500/40 Proximitor Monitor) against similar offerings from other manufacturers in the machinery protection market, its key strengths lie in its integration within the Bently Nevada 3500 system’s established architecture. While competitor systems may offer multi-channel vibration monitoring, the Bently Nevada ecosystem, which the Bently Nevada 135785-02 belongs to, is renowned for its stringent API 670 compliance, precision in vibration and position measurements, and long-standing reputation for reliability in critical applications. The seamless plug-and-play compatibility within the 3500 rack, coupled with advanced diagnostic capabilities often associated with Bently Nevada’s software, provides a comprehensive and trusted solution. Other systems might require more complex integration or may not offer the same level of proven performance and support for highly specialized turbine and compressor monitoring. The Bently Nevada 135785-02 benefits from Bently Nevada’s deep domain expertise, offering a highly optimized solution for demanding machinery protection tasks compared to more generic PLC-based or standalone vibration monitoring systems.