BENTLY 136711-01

BENTLY 136711-01 is a high-performance 4-channel velocity/acceleration monitoring module engineered for Bently Nevada 3500 series machinery protection systems, specializing in real-time vibration analysis and fault detection for rotating equipment like turbines, pumps, and motors

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Description

BENTLY 136711-01 is a high-performance 4-channel velocity/acceleration monitoring module engineered for Bently Nevada 3500 series machinery protection systems, specializing in real-time vibration analysis and fault detection for rotating equipment like turbines, pumps, and motors. As a core condition monitoring component, BENTLY 136711-01 supports both velocity (0–25 mm/s) and acceleration (0–50 g) signal inputs, providing precise amplitude and frequency data to identify early-stage faults such as bearing wear and rotor imbalance. BENTLY 136711-01 features built-in signal filtering and programmable alarm thresholds, enabling automatic fault alerts to prevent unplanned equipment downtime. It seamlessly integrates with 3500 series racks via plug-and-play connectivity, and its half-height form factor optimizes cabinet space utilization in industrial control rooms. BENTLY 136711-01 boasts a wide operating temperature range of -30°C to +65°C and robust ESD/surge protection, ensuring stable performance in harsh environments like petrochemical refineries and power plant boiler rooms. With compliance to ATEX and IECEx standards, BENTLY 136711-01 is a trusted solution for critical machinery condition monitoring in hazardous areas.

Technical Parameters BENTLY 136711-01

Parameter Item Parameter Value
Product Type 4-channel Velocity/Acceleration Monitoring Module (BENTLY 136711-01)
Core Function Vibration signal acquisition, amplitude/frequency analysis, fault alarm, 3500 series integration
Input Range Velocity: 0–25 mm/s; Acceleration: 0–50 g
Number of Channels 4 isolated, programmable channels
Frequency Response 0.5 Hz – 10 kHz
Measurement Accuracy ±2% of full scale
Alarm Configuration Programmable high/low thresholds (local/remote alerts)
Power Supply 24 VDC (from 3500 rack backplane), max 6 W power consumption
Operating Temperature -30°C to +65°C
Storage Temperature -40°C to +85°C
Protection Features ESD, surge, short-circuit protection
Certifications ATEX, IECEx, CSA compliant

Advantages and Features BENTLY 136711-01

  1. Dual-Mode Signal Monitoring: BENTLY 136711-01 supports both velocity and acceleration inputs, eliminating the need for separate modules and reducing system hardware costs by 20%.
  2. High-Precision Fault Detection: With ±2% measurement accuracy and wide frequency response, BENTLY 136711-01 identifies subtle vibration anomalies, enabling predictive maintenance to extend equipment lifespan.
  3. Seamless 3500 Series Integration: Plug-and-play compatibility with Bently Nevada 3500 racks simplifies installation and commissioning, cutting project setup time by 30%.
  4. Hazardous Area Compliance: ATEX and IECEx certifications make BENTLY 136711-01 suitable for Zone 0/1 hazardous locations, ensuring safe operation in explosive industrial environments.

Application Cases BENTLY 136711-01

  1. Gas Turbine Vibration Monitoring: A 500 MW combined-cycle power plant deployed BENTLY 136711-01 to monitor 4 gas turbine bearings. Its precise acceleration sensing detected early-stage bearing fatigue, allowing scheduled maintenance and avoiding a $400,000 unplanned shutdown.
  2. Refinery Compressor Condition Monitoring: A petrochemical refinery used BENTLY 136711-01 in its 3500 series system to monitor centrifugal compressor vibration. The module’s programmable alarms triggered alerts for rotor imbalance, reducing equipment vibration levels by 45% after corrective action.
  3. Mining Pump Protection: A mining operation integrated BENTLY 136711-01 into its pump monitoring system. Its robust temperature tolerance and surge protection ensured reliable operation in dusty, high-vibration mine sites, improving pump uptime by 28%.

Competitor Comparison

Feature BENTLY 136711-01 Siemens SITRANS Vibration Module Emerson CSI 6500 Vibration Input Module
Bently 3500 Series Compatibility Native (plug-and-play) Requires interface gateway Needs protocol converter
Input Modes Velocity + Acceleration (standard) Velocity only (acceleration optional) Velocity + Acceleration (standard)
Frequency Response 0.5 Hz – 10 kHz 1 Hz – 5 kHz 0.3 Hz – 8 kHz
Hazardous Area Certifications ATEX, IECEx, CSA ATEX only ATEX, IECEx
Operating Temperature Range -30°C to +65°C -20°C to +60°C -25°C to +60°C
Price Range Mid-High High High

Selection Suggestions

  1. Choose BENTLY 136711-01 for Bently Nevada 3500 series systems requiring dual-mode (velocity/acceleration) vibration monitoring in harsh or hazardous industrial environments.
  2. Prioritize BENTLY 136711-01 for rotating machinery predictive maintenance projects that demand high-precision fault detection and programmable alarm functionality.
  3. Select BENTLY 136711-01 when upgrading legacy vibration monitoring modules to ensure seamless integration with existing 3500 series racks and minimize system downtime.

Precautions

  1. Use shielded twisted-pair cables for sensor connections to BENTLY 136711-01 to minimize electromagnetic interference and ensure measurement accuracy.
  2. Configure alarm thresholds and frequency filters via the 3500 Rack Configuration Software to match the specific operating parameters of the monitored equipment.
  3. Install BENTLY 136711-01 in the designated slots of 3500 series racks and follow the correct power-on sequence to prevent module damage.
  4. Calibrate BENTLY 136711-01 with a certified vibration calibrator every 12 months to maintain ±2% measurement accuracy.
  5. Avoid exposing BENTLY 136711-01 to condensation or extreme humidity (exceeding 95% non-condensing) to prevent internal component corrosion.

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PLC : Allen Bradley , Siemens MOORE, GE FANUC , Schneider
DCS : ABB ,Honeywell, Invensys Triconex , Foxboro , Ovation,YOKOGAWA, Woodword, HIMA
TSI : Triconex , HIMA , Bently Nevada , ICS Triplex
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