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BENTLY 3500/32 125712-01 Product Specification
Product Overview
The BENTLY 3500/32 125712-01 is a high-precision dual-channel speed/torque monitor module designed for BENTLY’s 3500 Series Machinery Protection System. Engineered to deliver real-time rotational speed and torque analysis, this module serves as a critical component in industrial automation systems, enabling precise monitoring of turbines, compressors, and generators across industries such as oil and gas, power generation, and manufacturing. As part of the 3500 Series, the BENTLY 3500/32 125712-01 integrates seamlessly with other system modules to form a comprehensive machinery health management solution, supporting predictive maintenance strategies for high-value rotating equipment.
Featuring two independent input channels, the BENTLY 3500/32 125712-01 processes signals from proximity probes, magnetic pickups, or tachometer generators, converting them into accurate speed and torque measurements. Its software-configurable design allows users to customize alarm thresholds, filter settings, and data logging parameters, ensuring optimal performance in diverse operational environments. The module’s rugged IP23-rated enclosure and conformal-coated PCBs protect against dust, moisture, and electromagnetic interference (EMI), while its compact form factor (210 mm × 150 mm × 100 mm) and 2 kg weight facilitate easy installation in 19″ control racks.
In automation architectures, the BENTLY 3500/32 125712-01 acts as a frontline diagnostic tool, detecting speed fluctuations and torque anomalies that could indicate machinery degradation. Its high-frequency response (up to 10 kHz) ensures accurate capture of dynamic rotational data, while the RS-485 communication interface enables seamless integration with PLCs, HMIs, and supervisory control systems. By delivering reliable speed and torque data, the module helps minimize downtime, optimize energy efficiency, and enhance operational safety in mission-critical applications.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | BENTLY 3500/32 125712-01 |
| Manufacturer | BENTLY NEVADA |
| Product Type | Dual-Channel Speed/Torque Monitor Module |
| Input Channels | 2 channels (proximity probes/magnetic pickups) |
| Frequency Range | 0–10 kHz |
| Input Signal Types | TTL, HTL, analog (0–10 VDC, 4–20 mA) |
| Communication Interface | RS-485 (Modbus RTU compatible) |
| Power Supply | 24 VDC ±10% |
| Physical Dimensions | 210 mm (W) × 150 mm (H) × 100 mm (D) |
| Weight | 2.1 kg |
| Operating Temperature | -25°C to +60°C |
| Humidity | 5–95% non-condensing |
| Certifications | CE, UL, ISO 10816 |
Main Features and Advantages
Dual-Channel Monitoring Capability: The BENTLY 3500/32 125712-01 supports simultaneous monitoring of two independent speed or torque channels, enabling comprehensive analysis of multi-axis rotating machinery. This feature is ideal for complex systems like multi-stage turbines, where dual-point data collection is essential for accurate fault diagnosis.
Software-Defined Configuration: Users can tailor the module’s settings via BENTLY’s proprietary software, adjusting alarm levels, filter types (low-pass, band-pass), and data sampling rates to match specific machinery requirements. This flexibility reduces the need for hardware modifications, streamlining system deployment in diverse industrial setups.
High-Accuracy Measurement: The module delivers speed measurement accuracy within ±0.01% of full scale, critical for applications where rotational precision directly impacts process efficiency. Its advanced signal conditioning ensures reliable data capture even in high-vibration environments.
Rugged Industrial Design: Constructed with an IP23-rated metal enclosure and anti-vibration mounting brackets, the module withstands harsh industrial environments, including high temperatures, humidity, and mechanical stress. Its self-shielded design minimizes electromagnetic interference, ensuring reliable measurements in dense installations.
Real-Time Data Integration: The RS-485 interface enables real-time transmission of speed and torque data to higher-level control systems, supporting remote monitoring and predictive maintenance. Engineers can access live diagnostics and historical trend data via SCADA platforms, enabling proactive intervention before equipment failures occur.
Application Areas
The BENTLY 3500/32 125712-01 is widely deployed in industries where precise rotational monitoring is critical to operational reliability:
-
Oil and Gas:
- Monitors compressor and pump speeds in refineries and pipeline networks, detecting early signs of cavitation or bearing wear to prevent unplanned shutdowns.
- Integrates with emergency shutdown systems (ESD) in offshore platforms, ensuring safety during high-speed operations.
-
Power Generation:
- Analyzes turbine and generator speeds in power plants to optimize energy production and prevent over-speed conditions that could lead to mechanical failure.
- Supports condition-based maintenance programs by providing real-time rotational data for scheduled repairs.
-
Manufacturing:
- Controls rotational speed in high-speed packaging machinery and robotic arms, enhancing product quality and reducing production losses in automotive and pharmaceutical plants.
- Monitors motor speeds in conveyor systems to predict maintenance needs, improving overall equipment effectiveness (OEE).
-
Water/Wastewater Treatment:
- Ensures reliable operation of centrifugal pumps by monitoring rotational speed, maintaining consistent water flow in treatment facilities.
- Integrates with SCADA systems for remote monitoring of pump stations, enabling proactive maintenance scheduling.
Related Products
- BENTLY 3500/22M 146031-01: A dual-channel vibration module that complements the BENTLY 3500/32 125712-01 by providing comprehensive machinery health data.
- BENTLY 3500/15 125840-02: A power input module that supplies stable 24 VDC to the BENTLY 3500/32 125712-01 and other 3500 Series components.
- BENTLY 3500/42 129408-01: A temperature monitor module that correlates temperature data with speed measurements from the BENTLY 3500/32 125712-01 for holistic machinery analysis.
- BENTLY 3500/92 129410-01: A communication gateway that enables the BENTLY 3500/32 125712-01 to interface with Ethernet/IP networks for remote diagnostics.
- BENTLY 3500/95 129411-01: A redundant power supply module that ensures uninterrupted operation of the BENTLY 3500/32 125712-01 in mission-critical setups.
Installation and Maintenance
Pre-installation Preparation:
Before installing the BENTLY 3500/32 125712-01, ensure the following:
Before installing the BENTLY 3500/32 125712-01, ensure the following:
- Verify the power supply meets 24 VDC ±10% and that the control rack is properly grounded to prevent electrostatic discharge (ESD). Use a multimeter to confirm voltage stability before connecting the module.
- Use BENTLY’s configuration software to define input channel types (proximity probe, magnetic pickup) and set initial alarm thresholds based on machinery specifications.
- Mount the module in a 19″ rack with at least 50 mm of clearance for airflow, securing it with the provided brackets to minimize vibration-induced displacement.
Maintenance Recommendations:
- Routine Inspections: Monthly visual checks of front-panel LEDs (green for normal operation, red for faults) and cleaning of dust from ventilation slots to maintain optimal cooling.
- Calibration: Annual calibration of input channels using a BENTLY-certified speed calibrator to ensure measurement accuracy, especially in high-precision applications.
- Firmware Updates: Periodically update the module’s firmware via BENTLY’s software to access new diagnostic features and compatibility improvements.
- System Testing: Biannual functional tests of alarm relays and communication protocols to ensure compliance with safety standards. Simulate speed variations to verify alarm triggers and data transmission reliability.
Product Warranty
Our company provides a one-year quality warranty for the BENTLY 3500/32 125712-01, covering hardware failures due to non-human factors. During the warranty period, we will replace any module that exhibits abnormal signal processing or functional defects. For discontinued models like the BENTLY 3500/32 125712-01, our global inventory of legacy industrial parts ensures rapid fulfillment of urgent orders. We also offer post-warranty technical support, including calibration services and repair solutions, to maintain your equipment’s reliability throughout its lifecycle.
Contact Information:
Whatsapp: +86 18859254943
E-mail: sales@ygplc.com
Whatsapp: +86 18859254943
E-mail: sales@ygplc.com
Note: This document is based on technical data derived from BENTLY’s official specifications and industry applications. For detailed installation guidelines, refer to the BENTLY 3500/32 125712-01 user manual or contact our technical support team for personalized assistance.
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