135489-03 Bently Nevada

135489-03 Bently Nevada Control Unit

Product  Description：

• • • The 135489-03 is a rear-mounted I/O module that facilitates the connection of four channels of Proximitor or seismic transducers. It is characterized by its use of "Euro Style" (also known as pluggable screw terminal) connectors, which allow for secure wiring without the need for specialized crimping tools. This module is a critical component of the 3500 Series Machinery Protection System, which is the global standard for turbine, compressor, and motor vibration monitoring. It serves to receive raw signals, provide transducer power, and pass the data to the 3500/42M main processor.

      Product Parameters

      • Module Type: 4-Channel Proximitor/Seismic I/O Module.

      • Connector Style: Euro Style (Pluggable screw terminals) for easy field wiring.

      • Transducer Compatibility: Supports Proximitor sensors, Accelerometers, and Velomitors.

      • Internal Termination: Provides standard 4-channel termination for non-redundant configurations.

      • Input Signal Range: Handles standard vibration signal ranges, typically -24 VDC for Proximitor power.

      • Isolation: Designed with internal circuitry to prevent cross-channel interference and ensure signal integrity.

      • Operating Temperature: Rated for industrial environments, typically from -30°C to +65°C (-22°F to +150°F).

      • Mounting: Occupies one rear slot in a 3500 series rack, directly behind the 3500/42M monitor module.

      Product Advantages

      One of the primary benefits of the 135489-03 is its Ease of Maintenance. The Euro Style connectors allow technicians to unplug the entire wiring block without disconnecting individual wires, significantly speeding up module replacement. Its High Reliability is another hallmark, as Bently Nevada components are engineered for "mission-critical" environments where equipment failure is not an option. The module also offers Superior Signal Integrity, utilizing high-quality shielding and termination techniques to ensure that low-voltage vibration signals are not corrupted by electromagnetic interference (EMI) from the surrounding industrial plant. Furthermore, its Compact Design allows for high-density monitoring within a standard 19-inch rack.

      Important Considerations and Precautions

      When installing or servicing the 135489-03, strict adherence to safety protocols is required. Power Down the rack or ensure the specific slot is handled according to "hot-swap" guidelines if supported by your specific rack configuration to avoid short circuits. Correct Wiring is essential; because this module provides power to the transducers, miswiring can lead to the destruction of expensive sensors or the I/O module itself. Always use Shielded Twisted Pair Cable for sensor connections to maintain the precision of the vibration data. Additionally, ensure the Grounding is configured correctly at the rack end only (single-point ground) to prevent ground loops, which can introduce noise into the vibration readings and trigger false alarms.

      Product Applications

      The 135489-03 is utilized across heavy industries where large rotating machinery is the heart of the operation.

      • Power Generation: Monitoring steam and gas turbines for shaft vibration and axial thrust to prevent catastrophic mechanical failure.

      • Oil and Gas: Protecting large centrifugal compressors and pumps in refineries and LNG plants.

      • Petrochemical: Providing continuous health monitoring for expanders and motors used in high-pressure chemical reactions.

      • Mining and Metals: Monitoring the vibration levels of large fans, blowers, and conveyors.

      • Water Treatment: Ensuring the stability of large-scale pumping stations.

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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Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.