87840-01 Bently Nevada

87840-01 Bently Nevada Relay Input Module

Product  Description：

• A Bently Nevada Relay Input Module is a component within a Bently Nevada machinery protection system, such as the 3500 or Orbit 60 series. These modules are designed to receive discrete signals, typically from external relays or switches, and provide this status information to the monitoring system. This allows the system to incorporate external events or conditions into its overall machinery health assessment and protection logic.

  Key Functions

  • Discrete Signal Acquisition: Receives on/off signals from external devices.
  • Signal Conditioning: May provide electrical isolation or filtering of the input signals.
  • Status Indication: Often includes visual indicators (LEDs) to show the status of each input channel.
  • Communication to Monitoring System: Transmits the status of the relay inputs to the main processing unit of the Bently Nevada system for analysis and action.

  Product Parameters (Typical)

  • Number of Input Channels: The number of discrete inputs the module can accept (e.g., 4, 16 channels).
  • Input Voltage Range: The voltage levels that the module can safely and reliably detect (e.g., 24 VDC, 110 VAC).
  • Isolation Voltage: The level of electrical isolation provided between the input channels and the system backplane.
  • Input Impedance: The impedance presented by the input circuit to the external relay or switch.
  • Response Time: The time delay between a change in the input signal and its detection by the module.
  • Operating Temperature: The range of ambient temperatures within which the module can operate reliably.
  • Humidity Range: The range of relative humidity within which the module can operate reliably.
  • Power Consumption: The amount of power the module draws from the system backplane.

  Product Advantages

  • Integration of External Events: Allows the Bently Nevada system to respond to external conditions, enhancing overall machinery protection.
  • Enhanced Diagnostics: By monitoring external relay status, the system can provide a more comprehensive view of the machinery and associated systems.
  • Flexible System Configuration: Enables customization of the protection logic based on various external inputs.
  • Reliable Interface: Provides a robust and dependable connection for discrete signals.
  • Status Indication: Local LEDs often simplify troubleshooting and status verification.

  Precautions

  • Voltage Compatibility: Ensure that the voltage of the external relays or switches is compatible with the module's input voltage range. Applying incorrect voltage can damage the module.
  • Wiring Procedures: Follow the manufacturer's wiring diagrams and best practices for connecting external signals to the module. Incorrect wiring can lead to malfunction or damage.
  • ESD Sensitivity: Handle the module with appropriate electrostatic discharge (ESD) precautions during installation and maintenance.
  • Environmental Limits: Operate the module within its specified temperature and humidity ranges to ensure reliable performance.
  • System Compatibility: Verify that the relay input module is compatible with the specific Bently Nevada monitoring system being used (e.g., 3500 rack configuration).
  • Configuration: Proper configuration within the Bently Nevada system software is necessary to define how the relay input status is interpreted and used in the protection logic.

  Product Applications

  Bently Nevada Relay Input Modules are used in various applications related to machinery protection and condition monitoring, including:

  • Monitoring Auxiliary Equipment Status: Detecting the operational status of pumps, motors, fans, and other equipment associated with the main machinery.
  • Integrating External Alarms: Receiving signals from external alarm systems (e.g., temperature, pressure) to trigger protective actions within the Bently Nevada system.
  • Safety Interlock Monitoring: Verifying the status of safety interlocks and permissives before allowing machinery startup or operation.
  • Process Event Indication: Capturing discrete events from the process that may be relevant to machinery health or performance.
  • Valve Position Indication: Monitoring the open/closed status of critical valves associated with the machinery.

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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