Bently Nevada 190065A-00-00-01-00-00 – General-Purpose Equipment Monitor

• Output Capabilities:
  • Relay Outputs: Six isolated relay contacts (250 VAC/30 VDC) programmable for alarm/danger thresholds or system shutdowns .
  • Analog Outputs: Four configurable 4–20 mA recorder outputs for transmitting real-time data to SCADA/DCS systems .
  • Buffered Outputs: Direct access to raw sensor signals for advanced diagnostics or external analysis .
• Communication:
  • Protocols: Built-in Modbus RTU/ASCII over RS-485 and Ethernet, with optional Modbus TCP/IP gateway for integration with PLCs or HMIs .
  • Interfaces: Software-configurable RS-232/485 ports and 10/100 Mbps Ethernet for remote configuration and data logging .
• Power Supply:
  • Nominal Voltage: 18–36 VDC with reverse polarity protection .
  • Power Consumption: <5 W under normal operation .
• Physical Parameters:
  • Dimensions: 19.69 cm (W) × 14.94 cm (H) × 7.44 cm (D), DIN rail mountable for space-efficient installation .
  • Weight: 0.8 kg (1.76 lb) for compact industrial deployment .
• Environmental Ratings:
  • Operating Temperature: -20°C to +60°C (-4°F to +140°F) with humidity up to 95% non-condensing .
  • Shock/Vibration Resistance: Compliant with IEC 60068-2-6 (2 g, 10–500 Hz) for rugged environments .

Functional Features

1. Comprehensive Monitoring:
   • Vibration Analysis: Measures RMS/peak velocity, displacement, and acceleration with user-defined alarm thresholds .
   • Temperature Monitoring: Tracks bearing/motor temperatures with linearized thermocouple/RTD compensation .
   • Event Logging: Stores up to 200 events (timestamped with 1 ms resolution) for post-fault analysis .
2. Advanced Diagnostics:
   • Self-Test: Continuous internal health checks for sensor 断线 /short-circuit detection .
   • Predictive Maintenance: Trend analysis of vibration/temperature data to identify early signs of mechanical degradation .
3. Flexible Configuration:
   • Software Tools: Bently’s 1900 Configuration Software allows drag-and-drop setup of alarm logic, scaling factors, and communication parameters .
   • Non-Volatile Memory: Permanent storage of configuration files and calibration data .
4. User Interface:
   • Optional Display: Remote-mounted 4.3-inch color LCD with touch keypad for local status monitoring and parameter adjustments .
   • Web Interface: Built-in web server accessible via Ethernet for browser-based configuration without additional software .

Application Scenarios

1. Power Generation:
   • Steam/gas turbines, generators, and pumps in thermal/nuclear power plants .
   • Condition-based maintenance of wind turbine gearboxes and generators .
2. Oil & Gas:
   • Compressors, centrifuges, and pumps in refineries and offshore platforms .
   • Pipeline pump stations with remote SCADA integration .
3. Manufacturing:
   • Motor control centers (MCCs) in automotive/chemical plants .
   • Paper mill roll bearings and conveyor systems .
4. Marine Applications:
   • Shipboard engines, propeller shafts, and HVAC systems .
   • Compliance with maritime safety standards (e.g., ABS, DNV) .

Functional Architecture

• Hardware:
  • Dual-core microprocessor handles real-time data processing and communication simultaneously .
  • Redundant power inputs ensure continuous operation during transient voltage fluctuations .
• Software:
  • Embedded Linux OS provides a stable platform for multi-tasking and cybersecurity .
  • Built-in API allows custom applications for specialized monitoring requirements .

Safety & Compliance

• Certifications: CE, UL, and IEC 61000-6-2/6-4 for EMC immunity .
• Cybersecurity:
  • AES-128 encryption for data transmission over Ethernet .
  • Role-based access control (RBAC) to prevent unauthorized configuration changes .

Typical Configuration Example

• System Setup:
  • Monitors two centrifugal pumps in a chemical plant with vibration and bearing temperature sensors.
  • Relay outputs trigger local alarms and DCS notifications when vibration exceeds 2.5 mm/s RMS.
  • 4–20 mA signals transmit real-time data to a historian for long-term trend analysis.
• Integration:
  • Modbus TCP/IP gateway connects to a Siemens PLC for automated process adjustments .
  • Remote display mounted in the control room shows live waveforms and historical event logs .