Description
The Bently Nevada 3500/25 is an advanced keyphasor module widely used in industrial automation and machinery monitoring applications. Here is a summary of its key parameters, specifications, dimensions, weight, series, features, and functions in English:
Parameters and Specifications:
Input Voltage Range: Typically ranges from 18 VDC to 60 VDC.
Input Current: Ranges from 1 mA to 32 mA.
Output Voltage Range: Ranges from 1 VDC to 24 VDC.
Output Current: Maximum of 100 mA.
Accuracy: ±0.5% of full scale.
Linearity: ±0.25% of full scale.
Response Time: Less than or equal to 500 microseconds.
Operating Temperature Range: From -40°C to +85°C.
Dimensions and Weight:
Dimensions: The exact dimensions may vary based on the specific model and configuration. However, it’s generally a semi-high, dual-channel module suitable for rack-mounting.
Weight: The weight of the module is not specifically mentioned, but it’s generally lightweight and suitable for industrial applications.
Series:
The Bently Nevada 3500/25 belongs to the 3500 series of monitoring and protection systems designed for rotating machinery.
Features:
Enhanced Keyphasor Signal Processing: Compared to previous designs, it offers improved Keyphasor signal processing capabilities.
Compatibility: Fully backward-compatible with existing Keyphasor modules for legacy systems.
Dual-Channel Design: Receives input signals from two sensors, such as magnetic pickups or proximity probes, and converts them into digital keyphasor signals.
Multiple Sensor Compatibility: Accepts input signals in a range of +0.8V to -21.0V for non-isolated I/O modules and +5V to -11V for isolated I/O modules.
High Reliability: Designed for industrial environments, offering high reliability and stability.
Functions and Applications:
Signal Conversion: Converts analog signals from sensors into digital keyphasor signals, indicating when a keyway mark on the shaft aligns with a keyphasor sensor.
Monitoring and Protection: Used in 3500 mechanical protection systems to monitor the condition of rotating machinery. It can accept up to four keyphasor signals in a regular setup and eight in a paired configuration.
Integration with 3500 Framework: Easily integrates with the 3500 framework, providing keyphasor signals to monitor modules within the rack.
Precision Timing: Enables precise detection of timing events, such as shaft speed and vector characteristics like 1X vibration amplitude and phase.
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