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Product Introduction
The Bently Nevada 3500/54M Overspeed Detection Module (part number 286566-01) is a precision monitoring module designed to protect high-speed rotating machinery by detecting overspeed conditions. As part of the 3500 Series Machinery Monitoring System, it provides fast, reliable detection and triggers protective actions to prevent equipment damage.
This module is widely used in turbines, compressors, generators, and pumps where exceeding operational speed limits can cause catastrophic failure. It monitors shaft speed via proximity probes, magnetic pickups, or tachometers and integrates seamlessly with the 3500 Series rack systems. The 3500/54M allows programmable thresholds for overspeed events, ensures rapid response, and supports relay outputs for alarms, trips, and status signaling. Its rugged design guarantees dependable performance in industrial environments.
Product Parameters
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Model | 3500/54M |
| Part Number | 286566-01 |
| Product Type | Overspeed Detection Module |
| Function | Monitors shaft speed and triggers alarms or protective actions during overspeed events |
| Input Channels | 2 independent speed channels |
| Sensor Compatibility | Proximity probes, magnetic pickups, tachometers |
| Trip Threshold | Programmable per channel |
| Output Signals | Relay contacts for trip, alarm, and status outputs |
| Accuracy | ±0.1% of measured shaft speed |
| Response Time | < 10 ms typical |
| Power Supply | 24 VDC via 3500 Series rack backplane |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5% to 95% non-condensing |
| Mounting | Rack-mounted in 3500 Series chassis |
| Dimensions (H × W × D) | 241.3 x 24.4 x 241.8 mm |
| Weight | 0.82 kg |
Product Applications
The 3500/54M Overspeed Detection Module is used in:
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Steam, Gas, and Hydro Turbines – Provides overspeed protection for turbine shafts.
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Centrifugal and Axial Compressors – Ensures safe operation by detecting high-speed anomalies.
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Generators – Monitors rotor speed and triggers alarms or trips.
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Industrial Fans and Blowers – Prevents damage from excessive rotational speed.
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Power Plants – Integrated into critical machinery protection systems.
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Process Plants – Protects pumps and compressors in oil, gas, and petrochemical industries.
Product Advantages
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Rapid Overspeed Detection – Detects overspeed conditions in under 10 milliseconds.
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High Measurement Accuracy – ±0.1% precision ensures reliable threshold detection.
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Dual-Channel Redundancy – Independent monitoring channels for improved safety.
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Flexible Sensor Support – Compatible with proximity probes, magnetic pickups, and tachometers.
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Programmable Trip Thresholds – Customizable set points for each channel.
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Seamless 3500 Series Integration – Rack-mounted operation with full system compatibility.
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Rugged Industrial Design – Reliable performance in harsh conditions.
FAQ
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What is the primary function of the 3500/54M module?
It monitors shaft speed and initiates protective actions during overspeed events. -
How many input channels are available?
Two independent speed channels. -
Which types of sensors are supported?
Proximity probes, magnetic pickups, and tachometers. -
What is the response time for overspeed detection?
Less than 10 milliseconds. -
Does the module provide relay outputs?
Yes, for alarms, trips, and status signals. -
Can the trip thresholds be programmed?
Yes, each channel has configurable overspeed set points. -
Is the module compatible with Bently Nevada 3500 Series racks?
Yes, it integrates fully with 3500 Series monitoring systems. -
What is the measurement accuracy?
±0.1% of measured shaft speed. -
Can it be used for turbines, compressors, and generators?
Yes, it is designed for high-speed rotating machinery protection. -
What environmental conditions are supported?
Operating temperature 0°C to 60°C; relative humidity 5% to 95% non-condensing.
Recommended Related Models – Same Series or Similar
| Model | Description | Key Features |
|---|---|---|
| 3500/53M | Overspeed Detection Module | High-speed shaft monitoring and protection |
| 3500/45 | Vibration Monitor | Multi-channel vibration detection |
| 3500/44 | Proximity Probe Module | Shaft displacement measurement |
| 3500/46M | Hydro Monitor | Fluid condition monitoring |
| 3500/60 | Overspeed Trip Module | Protective trip for high-speed machinery |
| 3500/55 | Temperature Monitor Module | Critical temperature measurement |
Popular Bently Nevada Models – Same Brand
| Model | Description | Key Features |
|---|---|---|
| 3500/54M | Overspeed Detection Module | Shaft speed monitoring and protection |
| 3500/53M | Overspeed Detection Module | High-speed rotating machinery protection |
| 3500/45 | Vibration Monitor | Multi-channel vibration detection |
| 3500/44 | Proximity Probe Module | Shaft displacement measurement |
| 3500/22 | Speed Sensor Module | Speed signal monitoring |
| 3500/60 | Overspeed Trip Module | Turbine and pump overspeed protection |
