Introduction
The Bently Nevada 3500/60-01-00 133819-01 is a specific hardware revision of the 3500/60 Analog Input Monitor, a versatile interface module within the GE Bently Nevada 3500 Machinery Protection System. This module is designed to integrate non-Bently Nevada process parameters into the comprehensive 3500 monitoring framework.
Its primary function is to accept standard 4-20 mA signals from a wide variety of external sensors and transmitters. The module converts the 4-20 mA input into a digital value representing a physical parameter (e.g., pressure, temperature, flow, or overall vibration from a third-party device). It then provides continuous monitoring, alerting, and protection based on user-defined setpoints. By bringing these signals into the 3500 system, it allows for a unified view of machine health, where process alarms and machinery protection alarms can be correlated.
Parameters / Specifications
The key technical specifications for the Bently Nevada 3500/60-01-00 133819-01 are summarized in the table below.
| Parameter | Specification |
|---|---|
| Part Number | 3500/60-01-00 133819-01 |
| Product Line | GE Bently Nevada 3500 System |
| Module Type | Analog Input / 4-20 mA Monitor |
| Number of Channels | 4 (independent) |
| Input Signal | 4 to 20 mA (loop-powered or externally powered) |
| Input Impedance | Typically 100 Ω |
| Measurable Parameters | Any parameter with a 4-20 mA output (Pressure, Temperature, Flow, Level, etc.) |
| Setpoints | 2 programmable setpoints per channel (Alert and Danger) with configurable relay outputs. |
| Power Supply | Derived from the 3500 Rack |
| Communication | Via the rack's backplane with the 3500/92 Communication Module |
| Configuration | Fully configurable via the 3500 software, including scaling from mA to engineering units. |
| Dimensions (H x W) | Standard 3500 Series Module (Approx. 3.9" x 8.7" or 99 mm x 221 mm) |
| Weight (Approx.) | 1.1 lbs (0.5 kg) |
| Operating Temperature | 0°C to +65°C (+32°F to +149°F) |
Application Scenarios
The 3500/60 module is a versatile interface that expands the capability of the 3500 system beyond vibration and speed, integrating critical process and ancillary equipment data into the machinery protection logic.
Typical application scenarios include:
Process Parameter Monitoring for Turbines and Compressors:
Integrating lube oil pressure, bearing temperature (from RTD/thermocouple transmitters), and fuel gas pressure into the protection system. A low oil pressure signal from this module can be used to trigger an alarm or a safe machine shutdown via a 3500/33 Relay Module.
Integration of Third-Party Vibration Transmitters:
Accepting 4-20 mA signals from general-purpose vibration transmitters (e.g., on pumps or motors) that are not critical enough for dedicated 3500/45 modules, but whose health should still be monitored within the central system.
Auxiliary System Monitoring:
Monitoring the status of cooling water flow, filter differential pressure, or reservoir level. This allows the protection system to take action if a supporting system fails, which could lead to primary machine damage.
Correlation of Process and Mechanical Health:
Enabling advanced diagnostics by correlating process changes (e.g., a drop in discharge pressure) with mechanical changes (e.g., an increase in vibration) to pinpoint the root cause of a problem.
Industries of Use:
Oil & Gas (Pipeline Compressors, Pump Stations)
Power Generation (Gas & Steam Turbines)
Petrochemical & Refining
Any process industry using the 3500 system that needs to monitor non-Bently Nevada analog signals.
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