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The 9571-99 is an industrial-grade multi-conductor shielded interconnect cable developed for rotating machinery condition monitoring. It functions as the critical backbone signal link for long-distance transmission between field sensors and centralized monitoring systems. Composed of premium heavy-duty insulated conductors, the cable construction delivers exceptional immunity against electromagnetic interference and radio frequency interference, ensuring high-fidelity, attenuation-free signal propagation within harsh industrial sites. The outer jacket exhibits outstanding physical traits, including oil resistance, flame retardancy, and mechanical wear protection, making it highly compatible with severe field routing setups such as cable trays and conduits. This cable serves as a reliable electro-physical link to feed dynamic machine data into backend monitoring frames.
Low-impedance conductor construction
Resistance to harsh industrial fluids
Dual-barrier shielding with aluminum foil and braided mesh
Within the multi-channel monitoring topology, this cable serves as the primary physical bridge connecting multi-channel terminal blocks or junction boxes to the rear termination panels of backend machinery protection racks, such as the Bently Nevada 3500 system. In terms of electrical configuration, its internal overall shield layer and dedicated drain wire facilitate a single-point grounding framework at the cabinet side, preventing ground loop currents across the transmission path. The low-impedance construction of its internal cores restricts signal phase lag and high-frequency attenuation, enabling the monitoring system to capture precise transient waveforms during machine startup or sudden impact events. Furthermore, the cable complies with standard industrial insulation ratings and hazardous area wiring criteria, allowing for secure deployment through matching galvanic isolators or safety barriers in environments laden with flammable vapors or gases, which positions it as a reliable electro-physical link for data integration.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 9571-99 Interconnect Cable Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil & Gas Refining
Routes absolute velocity signals from the pump housing to the control room, tracking structural looseness or impeller wear over a 99-foot physical distance.
Thermal Power Generation
Carries dual-channel casing acceleration/velocity signals across the boiler house deck to detect fan blade unbalance caused by fly ash erosion.
Gas Turbine Power Plants
Connects casing sensors to localized junction boxes, tracking auxiliary pump bearing degradation to ensure continuous lubrication supply to the main turbine bearings.
Hydroelectric Power
Relays casing structural vibration readings from heavy vertical hydro-generators to evaluate structural stability and mechanical alignment against hydraulic unbalance.
Geothermal Power Plants
Reaches down the long structures of wet cooling towers using its moisture-resistant connector to securely route gearbox casing vibration data amidst high steam and water spray.
Wind Energy Infrastructure
Forwards absolute casing velocity data from the main bearing block to the nacelle’s top PLC panel to identify low-frequency structural defects.
When using the Bently Nevada 9571-99 cable, you must protect its unarmored jacket from physical hazards like sharp metal edges, heavy crushing weights, and extreme mechanical stress by routing it through solid protective conduits. During installation, maintain a minimum bend radius of 25.4 mm (1.0 inch) to prevent internal core damage, and ensure the moisture-resistant female connector is fully threaded and properly torqued onto the Velomitor sensor to prevent moisture or oil ingress.
Finally, to secure accurate vibration readings across the full 99-foot length, avoid routing the cable parallel to high-voltage power lines to prevent electromagnetic noise coupling, and always utilize appropriate safety barriers if deploying within hazardous areas.
Alternative Names
Alternative Names
9571 99957I-99
Technical notes
Technical notes
The Bently Nevada 9571-99 is a shielded interconnect cable for rotating machinery monitoring, serving as a long-distance backbone signal link between sensors and monitoring systems. Its multi-conductor shielded structure delivers exceptional EMI/RFI immunity for high-fidelity signal transmission. Featuring outstanding oil, flame, and wear resistance, the cable ensures reliable, long-distance routing in harsh industrial environments.
The 9571-99 is an unarmored, 2-conductor twisted shielded interconnect cable designed by Bently Nevada for vibration monitoring systems.
How do you install and use the 9571-99 cable assembly?
You plug the moisture-resistant female connector into the vibration sensor and wire the opposite ring-lug end directly to the monitor terminal strip inside the control cabinet.
Which specific sensors are designed to pair with the 9571-99 cable?
It is primarily used to connect Bently Nevada 330500 Velomitor piezoelectric velocity sensors and 330525 low-frequency velocity sensors.
What makes the sensor-end connector of the 9571-99 special?
It features a 2-socket moisture-resistant female plug with a molded boot, protecting the electrical connection from high humidity, oil mist, and splashing water.
What critical machinery does the 9571-99 help monitor?
It relays casing vibration signals from large rotating machinery such as industrial fans, blowers, cooling tower pumps, and medium-sized gearboxes.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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