Digital guide
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Bently Nevada 3500/72M 135489-01 Machine Train Monitor Module
Technical Specifications:
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Channels: 8 dynamic, 2 speed, 2 analog 4-20 mA
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Frequency Range: 0.1 Hz – 20 kHz
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Measurement Types: Overall, spectrum, orbit, trend, phase
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Signal Processing: Real-time FFT, envelope, cepstrum
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Alarms: Multivariable, train logic, load-based
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Isolation: 500 V
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Power: 10 W
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Operating Temperature: 0 °C to +65 °C
Detailed content
Functional Features:
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Train logic correlates alarms across coupled machines
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Load-based alarming uses 4-20 mA process input
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Automatic bump-test for natural frequency identification
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SIL 2 suitable for machine train protection
Application Scenarios:
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Motor-gear-centrifugal pump trains in LNG plants
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Steam turbine-driven boiler feed pumps
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Integrally geared air compressors
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Multi-stage ethylene refrigeration trains
