BENTLY 128229-01

Description

1. Product Overview

2. Product Parameters

2.1 Core Monitoring Specifications

• Input Channels: 4 independent channels (2 for vibration, 2 for temperature)
• Vibration Measurement Range: 0–50 mm/s (RMS), 0–1000 μm (peak-peak displacement)
• Temperature Measurement Range: -50°C to +200°C (compatible with PT100 RTDs, thermocouples Type K/J)
• Measurement Accuracy: ±0.1% FS (vibration), ±0.5°C (temperature)
• Frequency Response: 0.5–1000 Hz (vibration), DC–10 Hz (temperature)
• Alarm Capabilities: Programmable first-level (warning) and second-level (trip) thresholds per channel

2.2 Electrical Parameters

• Power Supply: 24 VDC ±10% (redundant input supported)
• Power Consumption: ≤12 W (full channel load)
• Output Signals: 4–20 mA (analog per channel), relay contacts (alarm/trip), Ethernet (Modbus TCP/IP)
• Isolation: 2500 VAC between input/output and backplane; 1500 VAC between channels
• Excitation: 24 VDC for RTDs/accelerometers (per channel)

2.3 Environmental & Mechanical Parameters

• Operating Temperature: -40°C to +85°C
• Storage Temperature: -55°C to +100°C
• Relative Humidity: 5%–95% (non-condensing, MIL-STD-810G compliant)
• Protection Rating: IP20 (rack-mounted); IP65 optional with rugged enclosure
• Mounting: Bently 3500 series chassis (1-slot width, 3U height)
• Dimensions: 168 mm × 122 mm × 46 mm (L×W×H)
• Weight: ~0.75 kg

2.4 Certification & Compatibility

• Certifications: ATEX II 2G Ex ib IIC T4, IECEx, UL 508, SIL 2 (IEC 61508)
• Compatible Systems: Bently 3500/22M, 3500/40M racks; third-party DCS/SCADA (Siemens, Honeywell, Allen-Bradley)
• Sensor Compatibility: Bently 3300 XL accelerometers, PT100 RTDs, Type K/J thermocouples

3. Advantages & Features

1. Dual-Parameter Monitoring: BENTLY 128229-01 combines vibration and temperature sensing in a single module, eliminating the need for separate units and reducing rack space requirements by up to 50%.
2. High-Precision Sensing: With ±0.1% FS vibration accuracy and ±0.5°C temperature accuracy, BENTLY 128229-01 detects subtle parameter changes that indicate early equipment degradation, enabling proactive maintenance.
3. Configurable Alarm Logic: Users can set custom warning/trip thresholds for each channel via Bently System 1® software, allowing BENTLY 128229-01 to adapt to specific machinery requirements (e.g., turbines vs. pumps).
4. Robust Environmental Performance: Rated for -40°C to +85°C operation and compliant with MIL-STD-810G for shock/vibration, BENTLY 128229-01 operates reliably in harsh industrial environments like offshore platforms and desert power plants.
5. Seamless Integration: Supports Modbus TCP/IP and 4–20 mA outputs, ensuring BENTLY 128229-01 integrates with existing control systems without additional hardware, simplifying plant-wide data aggregation.

4. Application Fields & Cases

4.1 Application Fields

• Power Generation: Gas/steam turbine bearing monitoring, generator stator temperature tracking, boiler feed pump vibration analysis
• Oil & Gas: Pipeline pump condition monitoring, compressor temperature/vibration sensing, LNG plant cryogenic equipment monitoring
• Petrochemical: Refinery reactor agitator monitoring, extruder bearing temperature tracking, cooling tower fan vibration analysis
• Manufacturing: Steel mill rolling mill vibration monitoring, paper mill dryer cylinder temperature sensing, cement plant kiln roller monitoring

4.2 Typical Cases

1. Natural Gas Power Plant Turbine Monitoring: A 400 MW gas turbine plant installed BENTLY 128229-01 modules to monitor turbine bearing vibration and temperature. The module detected a 20% increase in vibration and 5°C temperature rise in one bearing, triggering a warning that led to scheduled maintenance—avoiding a turbine seizure that would have cost $1.5 million in repairs and downtime.
2. Offshore Oil Pipeline Pump Protection: An offshore pipeline operator used BENTLY 128229-01 to monitor pump vibration and motor temperature. When the module detected abnormal vibration from impeller damage, it triggered an automatic shutdown, preventing a pump failure that would have halted oil production for 72 hours (valued at $3 million).
3. Refinery Reactor Agitator Monitoring: A petrochemical refinery integrated BENTLY 128229-01 into its reactor agitator system. The module’s temperature sensing detected overheating in a gearbox bearing, allowing maintenance teams to replace the bearing during a planned outage—reducing unplanned downtime by 40% and cutting maintenance costs by $250,000 annually.

5. Competitor Comparison

6. Selection Suggestions & Precautions

6.1 Selection Suggestions

1. Machinery Type Matching: BENTLY 128229-01 is ideal for rotating equipment requiring both vibration and temperature monitoring (e.g., turbines, pumps); for vibration-only needs, select Bently 128229-02 (cost-optimized single-parameter module).
2. Environment Adaptation: Choose ATEX/IECEx-certified units for explosive zones (e.g., refineries, chemical plants); opt for IP65 enclosures for outdoor or dusty installations (e.g., cement plants, mining facilities).
3. Integration Needs: Select modules with Ethernet/Modbus TCP/IP for cloud-based asset management (e.g., Bently Predix APM); choose 4–20 mA-only versions for legacy DCS integration.

6.2 Precautions

1. Sensor Wiring: Use shielded twisted-pair cables for vibration sensors (grounded at module end only) and thermocouple-compatible cables for temperature inputs; tighten terminal screws to 1.8 N·m to prevent signal loss.
2. Calibration Requirements: Calibrate BENTLY 128229-01 annually using Bently-certified calibration tools (e.g., Calibrator 9010); verify alarm thresholds after calibration to ensure compliance with safety standards.
3. Maintenance Checks: Inspect sensor connections and module cooling vents every 6 months; clean vents to prevent dust buildup (critical for high-temperature environments). Update firmware via System 1® software to enable new diagnostic features.
4. Installation Guidelines: Mount BENTLY 128229-01 in the 3500 chassis with at least 5 cm clearance from adjacent power modules to avoid heat interference; avoid installation near high-voltage equipment or VFDs to minimize EMI.

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