Bently Nevada 163179-02

Product Name: 3500/61 6-Channel Temperature Monitor Module (With Recorders)

Product Introduction: The Bently Nevada 163179-02 is a 6-channel temperature monitoring module with integrated recorder outputs, designed for the 3500 Series Machinery Protection System. It supports both RTD and thermocouple inputs and provides isolated 4–20 mA recorder outputs per channel for external data acquisition and trending.

Category:
Description
Technical Specifications:
  • Channel Count: 6 fully isolated temperature measurement channels
  • Input Types: RTD (Pt100, Pt1000, Cu10, Ni120) and Thermocouple (E, J, K, T, R, S, B, N types)
  • Output Type: 4–20 mA isolated recorder output per channel
  • Output Accuracy: ±0.1% FS (at room temperature); ±0.7% FS (across full operating temperature range)
  • Resolution: 0.1°C
  • Update Cycle: ≤100 ms
  • Power Consumption: 9 W nominal
  • Operating Temperature: -22°C to +65°C
  • Isolation Rating: 250 VDC channel-to-channel isolation (TC version)

    Functional Features:

  • Independent 4–20 mA recorder output for each measurement channel
  • Wide measurement range: -200°C to +850°C
  • Configurable alarm modes including high, low, delta T, and rate-of-change
  • Triple Modular Redundant (TMR) configuration support
  • CE and UL certified for industrial safety applications

    Application Scenarios:

  • Critical rotating machinery temperature monitoring with mandatory data logging requirements
  • Turbine generator bearing and winding temperature surveillance
  • Compressor and pump temperature monitoring in upstream oil & gas facilities
  • Process temperature recording and historical trending in power generation and petrochemical plants

    Structural Features:

  • Standard 3500 series rack-mount card design
  • Front-panel LED indicators for channel status and alarm conditions
  • Integrated recorder output circuitry on-board
  • Backplane interface for system power and data communication

    Working Principle: The module acquires temperature signals from field sensors, processes and linearizes the raw data, generates proportional 4–20 mA analog outputs for external recording devices, compares readings against programmable alarm thresholds, and transmits all measurement data and status information to the 3500 system controller.

    Installation Requirements:

  • Install into a standard 3500 series rack I/O slot
  • Connect field sensors to the matching rear terminal assembly
  • Wire recorder outputs to external data acquisition or SCADA systems
  • Configure input types, measurement ranges, and alarm parameters via system software

    Operation Notes:

  • Use shielded cable for both sensor inputs and recorder output circuits.
  • Verify loop power supply requirements for all 4–20 mA recorder circuits.
  • Implement proper grounding practices to avoid ground loop interference.
  • Perform scheduled output accuracy checks to maintain recorder performance.
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