Description
BENTLY 3500/50 286566-02 Tachometer Module
1. Product DescriptionThe
BENTLY 3500/50 286566-02 is a high-performance tachometer module designed for precise speed monitoring in rotating machinery. As part of the
BENTLY 3500 Series, it supports dual-channel operation, enabling simultaneous measurement of rotational speed from two independent sources. The module uses magnetic probes to detect frequency changes in speed signals, delivering ±0.1% accuracy for critical applications such as pumps, compressors, and turbines. With configurable alarm thresholds and Modbus/ Ethernet connectivity, it integrates seamlessly with industrial control systems for predictive maintenance.
2. Technical Parameters
| Parameter |
Specification |
| Input Type |
Magnetic probe (frequency-based) |
| Channels |
2 independent channels |
| Speed Range |
0–50,000 RPM |
| Accuracy |
±0.1% |
| Power Supply |
24 VDC ±10% |
| Alarm Outputs |
2 SPST relays per channel (30 VDC/5 A max) |
| Communication |
Modbus RTU (RS-485), Ethernet |
| Operating Temperature |
-40°C to +70°C |
| Compatibility |
BENTLY 3500 racks, System 1 software |
BENTLY 3500/50 286566-02
3. Advantages and Features
- Dual-Channel Redundancy: Ensures continuous monitoring even if one channel fails.
- High Precision: ±0.1% accuracy minimizes measurement errors in high-speed machinery.
- Wide Temperature Range: Operates reliably in extreme environments (-40°C to +70°C).
- Easy Integration: Supports standard protocols for seamless integration with PLC/DCS systems.
- Durable Design: IP65-rated enclosure protects against dust, moisture, and vibrations.
4. Application Fields and Case Studies
- Manufacturing: Monitoring conveyor belt speeds in automotive assembly lines.
- Energy: Turbine speed control in power plants.
- Oil & Gas: Pump speed optimization in refineries.
Case Study: A European manufacturing plant reduced downtime by 30% using the 3500/50 to detect belt slippage, preventing $500K in annual losses.
5. Competitor Comparison
The 3500/50 outperforms alternatives with:
- Faster response time (≤10 ms vs. 15–20 ms).
- Higher channel density (2 vs. 1–1.5 channels).
- Built-in support for BENTLY’s API 670-compliant sensor interfaces.
BENTLY 3500/50 286566-02
6. Selection Recommendations
- Redundancy Needs: Opt for dual-channel modules in safety-critical systems.
- Environment: Choose explosion-proof variants (e.g., 3500/51) for hazardous areas.
- Data Logging: Select models with recorder outputs (e.g., 3500/50M) for advanced analytics.
7. Precautions
- Sensor Calibration: Perform annual checks using BENTLY’s 3500/05 Calibration Interface.
- Noise Mitigation: Use shielded cables to prevent electromagnetic interference.
- Firmware Updates: Regularly update to access new features and security patches.
Shanxi Xinyeda International Trade Co., Ltd. is your trusted partner for
BENTLY 3500/50 286566-02 and automation solutions. Visit
www.xydcontrol.com for sales and technical support.
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Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
Full 12-month warranty on all components
