133442-01 Bently Nevada

133442-01 Bently Nevada Processor module

Product  Description：

• • • The Bently Nevada 133442-01 is a specialized Tachometer I/O Module with Internal Terminations, designed for use within the 3500 Series Machinery Protection System. Specifically, it serves as the interface component for the 3500/50 or 3500/50M Tachometer Modules. This I/O module is installed in the rear of the 3500 rack and provides the physical connection points for field wiring coming from speed sensors, such as proximity probes or magnetic pickups.

      The primary role of the 133442-01 is to receive raw pulses or frequency signals from transducers and pass them to the main tachometer monitor for processing. It allows the system to accurately determine critical machinery parameters including shaft rotative speed, rotor acceleration, and rotor direction. Because it features internal terminations, the field wiring connects directly to the module's screw terminals, eliminating the need for external terminal blocks and reducing the overall footprint of the wiring solution.

      Product Specifications

      • Module Type: Tachometer I/O Module with Internal Terminations.

      • Compatibility: Exclusively designed for the Bently Nevada 3500/50 and 3500/50M Tachometer Modules.

      • Number of Channels: 2 independent channels for speed/acceleration monitoring.

      • Input Signal Range: Accepts voltages ranging from +10.0 VDC to -24.0 VDC.

      • Input Impedance: Standard 20 kΩ.

      • Transducer Types: Supports Proximitor sensors, Magnetic Pickups, and Velomitors.

      • Power Consumption: Typical power consumption is approximately 4.5 Watts.

      • Operating Temperature: Designed for industrial environments with a range of -30°C to +65°C (-22°F to +149°F).

      • Physical Dimensions: Approximately 241.3 mm in height and 24.4 mm in width.

      • Weight: Roughly 0.45 kg (1.0 lb).

      • Signal Support: Supports a maximum input frequency of 20 kHz and full-scale ranges up to 99,999 RPM.

      Product Advantages

      • Integrated Termination Design: The internal termination feature simplifies the installation process by allowing field wires to be landed directly on the module. This reduces the number of components in the cabinet and minimizes potential failure points in the wiring chain.

      • High Precision Monitoring: When paired with the 3500/50M monitor, this I/O module enables extremely accurate speed and acceleration measurements, which are vital for protecting high-speed rotating assets like turbines and compressors.

      • Versatile Transducer Support: It is highly flexible, supporting both active proximity sensors and passive magnetic pickups, allowing maintenance teams to use the same I/O hardware for different types of speed sensing applications across a plant.

      • System Efficiency: By providing conditioned Keyphasor signals to the 3500 backplane, the module allows other monitors within the same rack to utilize speed data for phase-locked measurements without requiring additional sensors.

      • Industrial Durability: Built to the rigorous standards of the Bently Nevada 3500 series, the module is engineered to provide long-term reliability in harsh industrial environments characterized by vibration and electromagnetic interference.

      Important Considerations and Precautions

      • Hazardous Area Safety: If the application is located in a hazardous environment, ensure that the module is used in conjunction with appropriate intrinsic safety barriers or is installed according to the specific hazardous area certifications (ATEX, CSA, etc.) provided in the 3500 system documentation.

      • Power Off Installation: Always remove power from the 3500 rack before installing or removing the 133442-01 I/O module. "Hot-swapping" the I/O module can lead to electrical arcs or damage to the backplane connectors.

      • Electrostatic Discharge (ESD): This module contains sensitive electronic components. Always use a grounded wrist strap and follow standard ESD precautions when handling the module to prevent static damage.

      • Wiring Torque: Ensure that the screw terminals are tightened to the recommended torque specifications. Loose connections can cause intermittent signal loss or "noise," leading to false speed readings or unnecessary machine trips.

      • Correct Slot Alignment: The I/O module must be installed in the slot directly behind the corresponding 3500/50M monitor module. Misalignment will prevent the system from recognizing the speed data.

      Product Applications

      The Bently Nevada 133442-01 is used in critical machinery protection applications where speed and phase information are required for safety and diagnostics.

      • Steam and Gas Turbines: Monitoring rotor speed and overspeed conditions to prevent catastrophic mechanical failure during startup or load changes.

      • Centrifugal Compressors: Measuring shaft speed and acceleration to ensure the machine stays within its safe operating envelope and to detect potential surges.

      • Power Generation: Providing exact RPM data for generators to ensure synchronization with the electrical grid and to monitor for load-rejection scenarios.

      • Large Pumps and Motors: Tracking rotation direction and speed for critical fluid handling equipment in the oil, gas, and water treatment industries.

      • Predictive Maintenance: Feeding high-resolution speed and phase data into condition monitoring software, like System 1, to analyze vibration data relative to the machine's rotative speed.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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