Product Introduction: 3500/42M-01-00 128229-01
The 3500/42M-01-00 128229-01 is a specific hardware version of the 4-Channel Analog Monitor module from the Bently Nevada 3500 Machinery Protection System. This module acts as a versatile and critical interface, designed to monitor up to four general-purpose analog signals from a wide array of transducers. It converts signals from devices like Resistance Temperature Detectors (RTDs), thermocouples, and 4-20 mA pressure or flow transmitters into usable data within the 3500 framework. The module provides continuous monitoring and triggers vital Alert and Danger alarms based on user-defined setpoints, ensuring comprehensive protection for both the machine and its auxiliary systems.
Technical Parameters
The key technical specifications for the 3500/42M-01-00 128229-01 module are summarized in the table below.
| Parameter | Specification |
|---|---|
| Part Number | 3500/42M-01-00 128229-01 |
| System | Bently Nevada 3500 |
| Module Type | 4-Channel Analog Monitor |
| Dimensions (H x W x D) | 190 mm x 55 mm x 120 mm (Standard 3500 Rack Slot) |
| Weight | 0.47 kg |
| Input Channels | 4 independent, individually configurable channels |
| Input Types | • 4-20 mA (loop powered) • RTDs (Pt100) • Thermocouples (J, K, T, etc.) • Voltage (±1V, ±10V) |
| Accuracy | ±0.1% of reading (for 4-20 mA inputs) |
| Update Rate | 10 samples per second per channel |
| Alarm Setpoints | Two fully-configurable levels per channel (Alert and Danger) |
| Outputs | 4-20 mA proportional output for each channel (optional) |
| Power Supply | Powered by the 3500 Rack; +24 VDC from the rack's power supply |
| Operating Temperature | -20°C to +65°C |
Application Scenarios
The 3500/42M module is indispensable for monitoring critical process and machine health parameters that are not directly related to vibration, providing a holistic protection strategy.
Bearing Temperature Monitoring:
Continuously monitors bearing metal temperatures via RTD sensors on turbines, compressors, and large pumps to prevent overheating and catastrophic bearing failure.
Lube Oil System Supervision:
Monitors lube oil temperature and pressure to ensure proper lubrication is maintained, triggering alarms if parameters deviate from safe operating limits.
Motor Protection:
Tracks stator winding and bearing temperatures in large electric motors using embedded RTDs, providing early warning of insulation breakdown or lubrication issues.
Process Condition Monitoring:
Interfaces with 4-20 mA transmitters to monitor critical process variables such as discharge pressure, differential pressure across filters, and cooling water flow, ensuring the machine's auxiliary systems are functioning correctly.
Gas Turbine Support Systems:
Monitors exhaust gas temperatures (via thermocouples) and fuel gas pressure, providing essential data for performance calculation and protection against unsafe operating conditions.
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7×24 hours technical consultation, from selection guidance to installation and commissioning to provide full life cycle service (paid)
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