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The 3300/50-02-01-00-00 is a high-precision speed monitoring interface designed for the Bently Nevada 3300 rack system. This module provides real-time rotational velocity and acceleration data, forming a critical safety layer for high-speed industrial...
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The 3300/50-02-01-00-00 is a high-precision speed monitoring interface designed for the Bently Nevada 3300 rack system. This module provides real-time rotational velocity and acceleration data, forming a critical safety layer for high-speed industrial machinery.
In addition to standard RPM measurement, the 3300/50 is engineered for zero-speed detection, enabling maintenance personnel to safely engage equipment only when it is confirmed fully stopped.
Equipped with two independent transducer inputs, it processes signals from proximity probes or magnetic pickups with sub-millisecond latency. The rugged circuitry is designed to resist electromagnetic interference, ensuring reliable pulse-to-digital conversion for DCS and PLC integration.
| Specification | Description |
|---|---|
| Model Series | 3300/50 |
| Configuration Part Number | 3300/50-02-01-00-00 |
| Primary Functions | Rotational speed, acceleration, and zero-speed monitoring |
| Input Architecture | Dual-channel independent transducer inputs |
| Signal Compatibility | Proximity probes (eddy current) or magnetic pickups |
| Logic Response Time | <1 millisecond |
| Power Requirement | 24 VDC via rack backplane |
| Measurement Accuracy | High-fidelity pulse counting for precise RPM readout |
| Operating Temperature | -20°C to +65°C (-4°F to +149°F) |
| Unit Weight | 1.2 kg |
The 3300/50 module is widely used in:
Gas and steam turbines
Large centrifugal compressors
Reciprocating engines
It is critical for applications requiring:
Zero-speed verification for turning gear engagement
Rapid acceleration monitoring to prevent mechanical overstress
Redundant sensor operation for high-availability systems
How does zero-speed detection work?
The module monitors the interval between pulses. If no pulse is detected within a predefined threshold, the zero-speed status is activated, which can serve as a permissive input for safety interlocks.
Can this module support redundant transducer configurations?
Yes. With two independent channels, the 3300/50 allows redundant sensor setups, ensuring that a single probe failure does not compromise speed monitoring.
