BENTLY 3500/22M 288055-01 waveform data interface – precise capture of transient events, more thorough fault diagnosis!

The BENTLY 3500/22M 288055-01 is a high-precision vibration monitoring module within Bently Nevada’s renowned 3500 Machinery Protection System. Designed for critical rotating equipment, this dual-channel module continuously measures radial vibration via proximity probes, converting displacement (µm/mils) or velocity (mm/s/in/s) into actionable data for machinery health assessment. As part of the 3500 Series, the 288055-01 integrates seamlessly with 3500 racks, providing dynamic waveform capture and real-time spectral analysis to detect imbalance, misalignment, or bearing wear in turbines, compressors, and pumps. Its SIL 2-certified architecture (IEC 61508) enables safety shutdown functions upon detecting hazardous vibration levels, while modular redundancy ensures zero single-point failure. The BENTLY 3500/22M supports industry-standard sensor types (e.g., 3300 XL 8mm probes) and features automatic sensor validation to prevent false trips. With ±1% accuracy and 4-20 mA/Modbus outputs, it bridges condition monitoring with plant DCS/PLC systems for predictive maintenance strategies.

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Description

The BENTLY 3500/22M 288055-01 is a high-precision vibration monitoring module within Bently Nevada’s renowned 3500 Machinery Protection System. Designed for critical rotating equipment, this dual-channel module continuously measures radial vibration via proximity probes, converting displacement (µm/mils) or velocity (mm/s/in/s) into actionable data for machinery health assessment. As part of the 3500 Series, the 288055-01 integrates seamlessly with 3500 racks, providing dynamic waveform capture and real-time spectral analysis to detect imbalance, misalignment, or bearing wear in turbines, compressors, and pumps. Its SIL 2-certified architecture (IEC 61508) enables safety shutdown functions upon detecting hazardous vibration levels, while modular redundancy ensures zero single-point failure. The BENTLY 3500/22M supports industry-standard sensor types (e.g., 3300 XL 8mm probes) and features automatic sensor validation to prevent false trips. With ±1% accuracy and 4-20 mA/Modbus outputs, it bridges condition monitoring with plant DCS/PLC systems for predictive maintenance strategies.

BENTLY 3500/22M 288055-01

BENTLY 3500/22M 288055-01

Technical Specifications

Parameter Name Parameter Value
Product Model 3500/22M 288055-01
Manufacturer Bently Nevada (Baker Hughes)
Product Type Vibration Monitoring Module
Input Channels 2 independent channels
Measurement Range Displacement: 0–500 µm pk-pk / Velocity: 0–50 mm/s RMS
Frequency Response 0.5 Hz to 10 kHz (±3 dB)
Accuracy ±1% of full scale
Output Signals 4–20 mA (per channel), relay alarms, Modbus TCP
Relay Ratings 2 C/O relays per channel, 5 A @ 30 V DC
Sensor Compatibility Eddy current probes (5–24 V DC excitation)
Operating Temperature -30°C to +65°C
Certifications SIL 2 (IEC 61508), ATEX/IECEx Zone 2
Power Requirement 15–30 V DC, 5 W
MTBF >100,000 hours

Main Features and Advantages

Intelligent Diagnostics: The BENTLY 3500/22M 288055-01 performs real-time FFT analysis with adjustable alarm bands (danger/warning), capturing transient events like blade pass frequencies. Automatic gap voltage monitoring detects probe degradation before failures occur.

Safety-Critical Design: Dual-independent signal paths with cross-channel validation eliminate spurious trips. SIL 2-certified relay logic enforces safe shutdowns when vibration exceeds API 670 thresholds, protecting assets like steam turbines from catastrophic damage.

Operational Flexibility: Supports both displacement (for slow-speed machinery) and velocity (for mid/high-speed equipment) via software configuration. Built-in 24 V DC sensor power eliminates external supplies.

Integration Simplicity: Modbus TCP protocol streams vibration trends to DCS/PLC, while analog outputs enable real-time control loop integration. Compatible with System 1™ software for fleet-wide analytics.

Application Areas

The BENTLY 3500/22M 288055-01 safeguards high-value rotating equipment across energy and industrial sectors. In power generation, it monitors gas turbine shaft eccentricity during startup and steam turbine bearing wear. Oil refineries deploy it on critical centrifugal compressors to detect surge-induced vibrations, triggering anti-surge controls. For petrochemical plants, the module tracks pump cavitation in ethylene crackers via spectral analysis. Water utilities use it on large cooling tower fans to identify blade imbalance, while mining operations rely on its rugged design (-30°C to +65°C) for ball mill monitoring. The 288055-01 is indispensable for ISO 10816-compliant vibration management in offshore platforms, where salt spray resistance prevents false alarms.

BENTLY 3500/22M 288055-01

BENTLY 3500/22M 288055-01

Related Products

 

BENTLY 3500/15: Proximitor® power supply module for probe excitation

 

BENTLY 3500/25: Keyphasor® module for phase reference

 

BENTLY 3300 XL 8mm Probes: Eddy current sensors for 3500/22M

 

BENTLY 3500/92: Communication gateway for System 1™ integration

 

BENTLY 3500/32M: Temperature monitoring module

 

BENTLY 3500/42M: Axial position monitor

 

BENTLY 1900/65A: Transient Data Interface for waveform capture

 

Installation and Maintenance

Pre-installation preparation: Verify rack slot compatibility (supports 3500/15 or 3500/25 in adjacent slots). Calibrate probes using TK-3-2E calibrator prior to wiring. Ensure shielded twisted-pair cables (Belden 8761) with ground at rack only.

Maintenance recommendations: Quarterly verification of gap voltage and alarm thresholds. Clean module vents annually to prevent dust accumulation. Replace after 10 years of service or if “Module Fault” LED illuminates. Use Trendmaster® Pro for calibration logs.

 

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