Bently Nevada 3500/50M 3500 System Speed and Rotor Monitoring Card
The Bently Nevada 3500/50M is a dual-channel tachometer module for the 3500 Machinery Protection System. It accepts proximity probe or magnetic pickup signals to monitor shaft speed, rotor acceleration and reverse rotation.
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- Price:
- US$ 1,552.20
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Description
Bently Nevada 3500/50M
3500 Machinery Protection System | Dual-Channel Tachometer Module | 2 Transducer Inputs | Speed Monitoring | Rotor Acceleration | Reverse Rotation Detection
Product Detailed Description
The Bently Nevada 3500/50M is a two-channel tachometer module designed for the 3500 Machinery Protection System. It accepts input signals from proximity probe transducers or magnetic pickups to monitor shaft rotational speed, rotor acceleration and rotational direction.The module conditions incoming signals and compares measured values against user-configurable alarm setpoints. Depending on its configuration, it supports speed monitoring, speed-band alarming, zero-speed notification, rotor acceleration alarming and reverse-rotation notification.The 3500/50M can also provide conditioned Keyphasor signals to the 3500 rack backplane for use by other monitoring modules, eliminating the need for a separate Keyphasor module in compatible configurations. It includes a peak-hold function for recording maximum speed, maximum reverse speed or reverse-rotation counts.
Technical Specifications
| Parameter | Specification |
| Brand | Bently Nevada |
| Model | 3500/50M |
| Product Series | 3500 Machinery Protection System |
| Product Type | Dual-Channel Tachometer Module |
| Number of Channels | 2 |
| Input Transducers | Proximity probes or magnetic pickups |
| Input Signal Range | +10.0 V to -24.0 V |
| Input Impedance | 20 kΩ standard / 40 kΩ TMR / 7.15 kΩ internal barrier |
| Typical Power Consumption | 5.8 W |
| Output Impedance | 550 Ω |
| Transducer Power Supply | 24 V DC, up to 40 mA per channel |
| Monitoring Functions | Speed, speed band, zero speed, rotor acceleration and reverse rotation |
| Keyphasor Output | Conditioned Keyphasor signals to rack backplane |
| Configuration Software | 3500 Rack Configuration Software |
| Front-Panel Indicators | OK, TX/RX, BYPASS |
| Country of Origin | Not confirmed for every unit; verify the product label |
| Dimensions | Approx. 241.3 × 24.4 × 241.8 mm (standard module format; confirm configuration) |
| Net Weight | Approx. 0.82 kg (supplier-listed; verify actual unit) |
| Replacement Model | No confirmed direct successor identified |
This item is listed for catalogue and inquiry purposes. Availability, condition, revision, warranty coverage, and lead time are confirmed with each quotation.
New Surplus: All items are genuine brand-new, distributor ready-stock supplying. Please inform us if you have any inquiry or demand.
Important Application Note
Confirm the installed 3500 rack configuration and the exact I/O module termination type before ordering. The module is intended for monitoring and alarm functions, not as a standalone overspeed protection device.
Applications
| Industrial Automation & Control | Machinery & Equipment |
| • Rotating machinery speed monitoring | • Steam turbines |
| • Shaft speed measurement | • Industrial compressors |
| • Rotor acceleration monitoring | • Centrifugal pumps |
| • Zero-speed detection | • Industrial fans and blowers |
| • Reverse-rotation monitoring | • Gearboxes and rotating equipment |
| Power & Electrical Systems | Industrial Applications |
| • Turbine monitoring systems | • Power generation facilities |
| • Generator shaft monitoring | • Oil and gas processing plants |
| • Machinery protection racks | • Petrochemical facilities |
| • Keyphasor signal distribution | • Industrial manufacturing plants |
| • Equipment alarm and relay systems | • Critical rotating machinery installations |
Additional information
| Warranty : | 12 Month |
|---|---|
| Lead Time | Ready Stock |
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