Bently 125680-01

  • Multi-Channel Flexibility: Simultaneously monitors four independent parameters, reducing system complexity.
  • High Precision: Ensures accurate gap and frequency measurements for early fault detection.
  • Programmable Alarms: Customizable setpoints enable proactive maintenance planning.
  • Rugged Design: Built for harsh environments with resistance to vibrations and extreme temperatures.
Case Study: A petrochemical plant reduced turbine downtime by 25% using the 125680-01 to monitor shaft vibrations and thermal expansion.
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Description

BENTLY NEVADA 125680-01 Proximitor I/O Module

1. Product Description

The BENTLY NEVADA 125680-01 is a 4-channel Proximitor I/O Module designed for integration with the 3500 Series Monitoring System, providing real-time vibration and displacement monitoring for rotating machinery. This module accepts inputs from eddy current sensors, delivering high-precision measurements for critical parameters like radial vibration, axial displacement, and eccentricity. With user-programmable alarm thresholds and dual-channel redundancy, it enables predictive maintenance and safeguards against equipment failures in industrial environments.

2. Technical Parameters

Parameter Specification
Model 125680-01
Input Type Eddy current sensors
Power Supply 24 VDC ±10% (external)
Channels 4 (dual-channel configurable)
Measurement Accuracy ±0.33% to ±1% of full scale
Frequency Range 0–10 kHz
Compatibility BENTLY 3500 Rack, 3300 Proximitors
Dimensions 241 mm × 24.4 mm × 99.1 mm (9.50” × 0.96” × 3.90”)
Weight 0.8 kg (1.76 lb)
Operating Temperature -30°C to +65°C

 

3. Advantages and Features

  • Multi-Channel Flexibility: Simultaneously monitors four independent parameters, reducing system complexity.
  • High Precision: Ensures accurate gap and frequency measurements for early fault detection.
  • Programmable Alarms: Customizable setpoints enable proactive maintenance planning.
  • Rugged Design: Built for harsh environments with resistance to vibrations and extreme temperatures.
Case Study: A petrochemical plant reduced turbine downtime by 25% using the 125680-01 to monitor shaft vibrations and thermal expansion.

4. Application Fields and Case Studies

Industries:
  • Power generation, oil and gas, manufacturing, and marine propulsion.
典型应用:
  • Turbines, compressors, pumps, and steam turbines.
Case Study: A European power plant improved generator reliability by 20% by integrating the module to detect rotor misalignment and bearing wear.

5. Competitive Comparison

The BENTLY NEVADA 125680-01 distinguishes itself through:
  • Dual-Channel Redundancy: Supports SIL-rated safety systems with redundant power options.
  • Wide Temperature Range: Operates in extreme conditions (-30°C to +65°C), outperforming standard modules limited to 0°C–50°C.
  • Internal Terminations: Simplifies installation with pre-integrated wiring, reducing setup time.

6. Selection Recommendations

  • System Complexity: Ideal for multi-sensor applications requiring simultaneous vibration and displacement monitoring.
  • Safety Requirements: Choose for critical machinery in SIL-rated environments.
  • Compatibility: Ensure compatibility with BENTLY’s 3500 Rack and existing automation software.

7. Precautions

  • Sensor Calibration: Recalibrate eddy current sensors every 6 months for optimal accuracy.
  • Power Redundancy: Use dual power supplies in safety-critical systems (refer to Section 10.2 of the manual).
  • Firmware Updates: Regularly update firmware to enhance functionality and security.

 

山西鑫业达国际贸易有限公司 is your trusted partner for BENTLY NEVADA 125680-01 and automation spare parts. Visit www.xydcontrol.com or contact us for sales and technical support.
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