21747-080-00 Bently Nevada

21747-080-00 Bently Nevada Analog Output Modules

Product  Description：

• Bently Nevada Analog Output Modules are essential components within Bently Nevada's machinery protection and condition monitoring systems. These modules convert processed digital signals from other modules within the system (such as vibration, temperature, or speed measurements) into proportional analog signals. These analog signals are then used to interface with external devices like recorders, controllers, PLCs, and other data acquisition systems for further analysis, control actions, or historical trending.   

   

   

  Key Functions

  • Digital-to-Analog Conversion: Converts digital data representing machinery measurements into analog voltage or current signals.   
     
  • Signal Scaling: Provides analog outputs that are proportional to the full-scale range of the associated measurement within the Bently Nevada system.
  • Output Isolation: Often provides electrical isolation between the internal system and the external analog output to prevent ground loops and ensure signal integrity.
  • Fault Indication: Some modules offer features like clamp output levels to indicate an invalid or faulted status of the associated measurement.
  • Multiple Output Ranges: Many modules support software-selectable output ranges (e.g., 4-20 mA, 1-5 V, 0-10 V) to accommodate various interfacing equipment.   
     

  Product Parameters (Typical)

  • Number of Output Channels: Typically 4 or 8 channels per module.
  • Output Signal Types: Software-configurable for current (e.g., 4-20 mA) or voltage (e.g., 1-5 V, 0-10 V) outputs.   
     
  • Output Range: User-configurable scaling of the analog output to represent the full-scale range of the monitored parameter.
  • Load Resistance (for current output): Maximum allowable load resistance (e.g., 600 Ω).   
     
  • Load Impedance (for voltage output): Minimum allowable load impedance (e.g., 100 kΩ).   
     
  • Accuracy: Typically a percentage of the output span (e.g., ±0.25% at room temperature, ±0.7% over the temperature range).
  • Update Rate: The frequency at which the analog output is updated with new data from the system (e.g., 1 ms default, up to 100 ms).
  • Output Protection: Short-circuit protection on each output channel.
  • Power Consumption: Typically a few Watts per module.
  • Operating Temperature Range: Varies by model (e.g., -30°C to +70°C).

  Product Advantages

  • Versatile Interfacing: Enables seamless integration of Bently Nevada machinery monitoring data with a wide variety of external industrial systems.
  • Configurable Outputs: Software-selectable output types and scaling provide flexibility for different application requirements.
  • Reliable Signal Transmission: Isolated outputs help maintain signal integrity and prevent noise interference.   
     
  • Fault Detection Indication: Clamp output levels provide a clear indication of measurement or system faults to external systems.
  • High Accuracy: Ensures precise representation of machinery conditions for accurate analysis and control.
  • Integration with Bently Nevada Systems: Designed to work seamlessly within Bently Nevada's 3500 and Orbit 60 series platforms.

  Precautions

  • Compatibility: Ensure the analog output module is compatible with the specific Bently Nevada monitoring system and the external devices it will interface with.
  • Wiring: Use appropriate shielded cables and follow proper wiring practices to minimize noise and ensure correct signal transmission. Verify the correct polarity and connections.
  • Power Supply: Ensure the Bently Nevada system has adequate power to support the analog output modules.
  • Configuration: Properly configure the output type, range, and scaling in the Bently Nevada system software to match the requirements of the external devices.
  • Environmental Conditions: Operate the modules within their specified temperature and humidity ranges.
  • Grounding: Ensure proper grounding of the Bently Nevada system and the connected external devices to prevent ground loops.
  • Calibration: While the output is proportional, consider calibrating the entire loop (Bently Nevada system and receiving device) for critical applications to ensure end-to-end accuracy.

  Product Applications

  Bently Nevada Analog Output Modules are used in various industrial applications to:

  • Provide signals to PLC and DCS systems: For control logic, alarming, and integration into overall plant automation.
  • Drive analog recorders and chart plotters: For historical trending and visualization of machinery parameters.
  • Interface with data acquisition systems: For in-depth analysis and long-term data storage.
  • Supply signals to local indicators and displays: For providing operators with real-time machinery condition information.
  • Integrate with asset management software: By providing live data for performance analysis and predictive maintenance strategies.

  Typical Applications:

   

  • Sending vibration amplitude and phase data to a PLC for automated machinery shutdown sequences.
  • Outputting bearing temperature readings to a chart recorder for historical analysis.
  • Providing rotor speed and acceleration signals to a data acquisition system for detailed performance evaluation.
  • Interfacing with a local analog meter to display real-time vibration levels to maintenance personnel.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.