Bentley 3300/16-03-01-02-01-02-02 Product Description

I. Product Introduction

The Bentley 3300/16-03-01-02-01-02-02 is a dual-channel XY/GAP vibration and shaft clearance monitoring module under the Bentley Nevada brand of Baker Hughes, specifically designed for large industrial rotating machinery. This module can simultaneously perform continuous online monitoring of two paths of vibration and shaft clearance, accurately identifying various fault hazards such as rotor imbalance, misalignment of the shaft system, bearing wear, and deviation of the shaft position. It integrates functions such as data acquisition, parameter display, graded alarm output, interlock output, remote communication, etc. The product adopts a modular frame structure, has excellent electromagnetic compatibility, is compatible with the entire 3300 monitoring system cabinet, operates stably and reliably, and is widely used in key power units in industries such as power, petrochemicals, metallurgy, and water supply. It provides core support for equipment safe operation, fault early warning, and safety interlock.

II. Basic Information

The manufacturer of this product is Bentley Nevada, which belongs to the classic 3300 industrial condition monitoring series. The product model is 3300/16-03-01-02-01-02-02, and the equipment type is a dual-channel radial vibration and shaft clearance integrated monitor. The core functions include dual-channel vibration amplitude measurement, gap voltage collection, calculation of the average position of the shaft, graded alarm output, analog output, fault self-diagnosis, and remote communication. The equipment is compatible with 3300 XL, 7200 series eddy current probes and matching preamplifiers. The standard probe sensitivity is 200 mV/mil, suitable for mainstream sensing accessories in industrial sites. It adopts an industry-standard 19-inch rack-mounted installation, can be directly embedded in the same series system cabinet. The product has passed CE electromagnetic compatibility certification and can operate stably and reliably in complex industrial sites with multiple dust, strong electromagnetic interference, and wide temperature ranges.

III. Functions and Positioning

The module is equipped with two completely isolated independent measurement channels. The signals between the channels do not interfere with each other. It can simultaneously monitor the radial vibration in the X and Y directions of a single rotating equipment, or separately monitor the operating parameters of two independent devices. The two sets of data are independently calculated and output. The equipment synchronously collects the vibration amplitude and shaft-bearings clearance voltage, converts them to the average operating position of the shaft, achieving dual monitoring of vibration and shaft system position, and comprehensively grasping the overall operating status of the rotor and bearings.

The equipment is equipped with an early warning and danger two-level alarm system. The alarm threshold and alarm delay of each channel can be freely configured through the local panel or the upper-level monitoring software. When the monitoring parameters exceed the set limit, the corresponding status indicator light on the panel will light up simultaneously, and the relay outputs a switch signal, which can be connected to on-site sound and light alarm devices and the unit interlock system to achieve graded safety protection. The module supports single-channel or dual-channel bypass functions. During sensor calibration, line maintenance, and equipment maintenance, it can temporarily shield the alarm output without affecting the normal operation of the system's other functions.

An internal complete hardware self-diagnosis unit can detect sensor breakage, line short circuit, abnormal input signals, and hardware faults of the module itself. When an abnormality occurs, the equipment operation indicator light goes out, providing a clear reminder for maintenance personnel to carry out fault troubleshooting. A sensor signal buffer output interface is provided, which can be connected to oscilloscopes, data acquisition instruments, etc., for on-site signal verification, equipment debugging, and in-depth fault analysis. This model integrates customized analog output, safety certification, and hardware configuration, which can meet the requirements of complex working conditions, explosion-proof, and specialized use.

IV. Core Performance Parameters The input signal of the equipment is the gap voltage output by the eddy current preamplifier, and the reference voltage is -24V DC. The two independent input channels adopt a high input impedance design to effectively avoid attenuation during signal transmission. The frequency response is divided into two working modes: the high-frequency mode covers 4Hz to 4000Hz, suitable for various high-speed rotating mechanical equipment; the low-frequency mode ranges from 1Hz to 600Hz, suitable for low-speed units. The low-frequency mode is not recommended for equipment with an acceleration rate exceeding 1000rpm/s, to prevent data distortion during monitoring.

The full-scale range of vibration measurement is from 0 to 250 micrometers peak-to-peak, with a measurement accuracy of ±1% of the full scale. The measurement range of gap voltage is from -2V to -22V DC, with a voltage measurement accuracy of ±0.1V. The display resolution of the panel is 0.1 micrometers and 0.1V DC, providing precise and intuitive readings. The power supply supports two specifications: -18V DC and -24V DC, and the module is equipped with an independent current-limiting protection circuit. The maximum power consumption of the entire device does not exceed 5W, and the power supply voltage fluctuates within the range of ±10% of the rated value. The equipment can operate stably and normally for a long time.

The alarm system is divided into two levels: warning and danger. Each channel is independently configured. The rated parameters of the relay contacts are 24V DC and 1A, supporting the switching between normally open and normally closed modes. The alarm delay time can be programmed and set within 0 to 10 seconds, effectively filtering instantaneous interference signals and reducing the probability of false alarms. This model's analog output uses a dedicated configuration, with stable signal output, and can be directly connected to PLC, DCS, etc. to achieve remote data collection.

In terms of environmental adaptability, the normal operating temperature range of the equipment is -40℃ to +70℃, the storage temperature range is -52℃ to +105℃, and the relative humidity requirement of the working environment is 5% to 95%. The equipment can be used for a long time without condensation in the operating environment. The front of the equipment is equipped with an LED digital display, allowing for free switching to view the vibration values and gap voltages of the two channels. It is also equipped with independent status indicator lights such as running, bypass, warning, and danger. It integrates an RS-485 communication interface, which can be connected to the upper computer of the system to complete remote parameter configuration, real-time data reading, and alarm status monitoring.

VII. Model Code Explanation

3300 represents the entire monitoring product series of the Bently 3300, 16 represents the XY/GAP dual-channel vibration and shaft gap monitor, 03 represents the full-scale vibration measurement range from 0 to 250 micrometers peak-to-peak, 01 represents the standard 3300/7200 probe system compatible with the standard sensitivity of 200mV/mil, 02 represents the dedicated analog output configuration, 01 represents the special industry certification specification, 02 represents the built-in safety barrier configuration, and 02 represents the customized configuration of hardware version and additional functions.

VIII. Applicable Equipment Fields

The power industry is mainly applied to steam turbine generator sets, large exhaust fans, supply fans, circulating water pumps, and other core auxiliary equipment of power stations. The petrochemical industry is suitable for centrifugal compressors, screw compressors, high-temperature process pumps, and integrated units of refining and chemical industries, etc., which are continuous-running key rotating equipment. The metallurgical industry can be used for online status monitoring of blast furnace blowers, rolling mills, dust removal fans, etc. It is also applicable to large-scale circulating water pumps in water supply systems and various medium-high-speed rotating machinery in industrial and mining enterprises, providing reliable data and control support for equipment condition assessment, early fault warning, and safety interlock shutdown.

IX. Installation and Maintenance Key Points

The equipment is installed in a standard 19-inch rack. During assembly, sufficient spacing is reserved between the modules to ensure ventilation and heat dissipation, avoiding temperature accumulation that affects the operating performance. During the wiring operation, strictly distinguish between A and B signal channels, positive and negative power terminals, analog output terminals, and communication terminals. Follow the marking specifications for wiring to prevent incorrect or reverse connections, which could cause equipment damage or abnormal monitoring. It is recommended to perform channel accuracy calibration using original factory standard probes and calibration tools every six months. After calibration, lock the parameters to prevent unauthorized personnel from modifying the settings at will.

During daily operation and maintenance, keep the equipment panel and the interior of the cabinet clean. Prevent dust and oil from entering the module. Regularly inspect all wiring terminals one by one, promptly tighten loose lines to prevent signal jumps and data distortion caused by poor contact. When the equipment triggers fault alerts or abnormal alarms, follow the sequence of first checking the sensors and connection lines, then detecting the monitoring module itself to gradually locate the problem. When using the low-frequency working mode, do not apply it to units with rapid start-stop operations to avoid deviation in monitoring data. Simulate quantity lines and communication lines should be kept as far as possible away from strong power cables to reduce the impact of electromagnetic interference on signal transmission. For the configuration of this model with safety barriers and special certifications, during use, do not disassemble or modify the hardware structure privately to ensure the compliant operation of the equipment.