Bentley 3300/16-03-01-00-00-00-00 Product Description

I. Product Introduction

The Bentley 3300/16-03-01-00-00-00-00 is a dual-channel XY/GAP vibration and shaft clearance monitoring module of the Bentley Nevada 3300 series under Baker Hughes, designed for online condition monitoring and safety protection of industrial rotating machinery. This module has dual-channel independent monitoring capabilities, capable of simultaneously collecting radial vibration and shaft clearance data, effectively identifying equipment hazards such as rotor imbalance, misalignment of the shaft system, bearing wear, and shaft position deviation. The product integrates data acquisition, local display, hierarchical alarm, relay interlock, fault self-diagnosis, and remote communication functions. It adopts an industrial standard modular design and can be installed in 3300 series cabinets, featuring strong anti-interference performance and stable operation. It is widely used in key units of power, petrochemical, metallurgy, water supply and other industries, providing guarantees for equipment fault early warning, status monitoring, and safety interlock.

II. Basic Information

This product is manufactured by Bentley Nevada and belongs to the 3300 industrial condition monitoring series. Its model is 3300/16-03-01-00-00-00-00, and the equipment type is a dual-channel radial vibration and shaft clearance integrated monitor. Its core functions include dual-channel vibration amplitude measurement, gap voltage collection, shaft average position calculation, over-limit relay output, hardware fault self-diagnosis, remote parameter configuration and data reading. The equipment is compatible with 3300 XL, 7200 series eddy current probes and their accompanying preamplifiers. The standard probe sensitivity is 200mV/mil, suitable for mainstream sensing equipment in the field. The entire machine is installed in a 19-inch standard rack, and can be directly embedded in the same series monitoring cabinets. The product complies with CE electromagnetic compatibility standards and can operate continuously in industrial sites with high dust, strong electromagnetic interference, and significant temperature and humidity variations.

III. Functions and Positioning

The module is equipped with two electrically completely isolated independent measurement channels, with signals between channels not interfering with each other. It can simultaneously monitor the radial vibration in the X and Y directions of a single device, or separately monitor two different rotating devices. The two sets of data are independently calculated, and the alarm logic is independent of each other. While monitoring the vibration amplitude, the equipment continuously collects the gap voltage between the shaft and the bearing and converts it to the average operating position of the shaft, achieving dual monitoring of vibration and shaft system position, and comprehensively grasping the overall operating condition of the rotor and bearing.

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

The module is equipped with a complete fault self-diagnosis circuit, which can detect sensor breakage, line short circuit, abnormal input signals, and hardware faults of the module itself. When an abnormality occurs, the operating status indicator light goes out, facilitating the rapid troubleshooting by maintenance personnel. The module is reserved for a signal buffer output interface for external devices such as oscilloscopes and data acquisition instruments, used for on-site signal verification, equipment debugging, and fault analysis. This model is a standard basic configuration without analog output, without industry-specific certification, and without an internal safety barrier. It is a general-purpose monitoring module for routine industrial scenarios.

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 input channels adopt a high input impedance design to effectively avoid signal transmission attenuation. The frequency response is divided into two modes: the high-frequency mode ranges from 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 0 to 250 micrometers peak-to-peak, with a measurement accuracy of ±1% of the full scale. The gap voltage measurement range is -2V to -22V DC, with a measurement accuracy of ±0.1V. The display resolution of the panel is 0.1 micrometers and 0.1V DC, with precise and clear readings. The power supply supports two specifications: -18V DC and -24V DC. The module is equipped with an independent current-limiting protection circuit, and the maximum power consumption of the entire machine does not exceed 5W. The power supply voltage can operate stably within the range of ±10% of the rated value.

The alarms are 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 both normally open and normally closed switching. The alarm delay can be programmed from 0 to 10 seconds, capable of filtering instantaneous interference signals and reducing false alarms.

In terms of environmental parameters, the working temperature range is -40℃ to +70℃, the storage temperature range is -52℃ to +105℃, and the applicable relative humidity is 5% to 95%. The operating environment requires no condensation. The front of the equipment is equipped with an LED digital display, which can switch to display the vibration values and gap voltages of two channels, and is equipped with independent status indicator lights for operation, bypass, warning, and danger. The integrated RS-485 communication interface can be connected to the upper system to achieve remote parameter configuration, data reading, and alarm monitoring.

VII. Model Code Explanation

3300 is the general code of the 3300 series of Bently, 16 represents the XY/GAP dual-channel vibration and shaft gap monitor, 03 represents the full-scale vibration measurement range of 0 to 250 micrometers peak-to-peak, 01 represents the compatibility with the 3300/7200 series standard probe system, with a sensitivity of 200mV/mil, 00 represents no analog output configuration, the first 00 represents no additional industry-specific certification, the second 00 represents no built-in safety barrier, the last 00 represents the standard basic version without additional customization functions.

VIII. Applicable Equipment Fields

In the power industry, it can be applied to steam turbine generator sets, induced draft fans, blowers, large circulating water pumps, etc., as core auxiliary equipment of power stations. In the petrochemical industry, it is suitable for centrifugal compressors, screw compressors, high-temperature process pumps, refining and chemical units, etc., as key rotating equipment that operates continuously. In the metallurgical industry, it is used for blast furnace blowers, rolling mill units, dust removal fans, etc., for online monitoring of equipment. It is also applicable to large water pumps in water supply and various medium-speed rotating machinery in industrial and mining enterprises, providing reliable support for equipment condition assessment, fault early warning, and safety interlock shutdown.

IX. Installation and Maintenance Key Points

The equipment is installed using standard chassis. During assembly, sufficient space should be reserved between modules to ensure ventilation and heat dissipation. When wiring, strictly distinguish the A and B signal channels, the positive and negative poles of the power supply, the relay terminals, and the communication lines, and follow the wiring specifications to avoid incorrect connections that may cause faults. It is recommended to use original factory tools to complete the channel accuracy calibration every six months, lock the parameters after calibration, and prevent unauthorized personnel from making changes.

Daily maintenance should keep the cabinet and module panels clean, avoid dust and oil contamination from invading the equipment interior, regularly check the wiring terminals, promptly tighten loose lines to prevent poor contact from causing abnormal signals. When the equipment malfunctions or alarms abnormally, the troubleshooting should be carried out in the following order: first check the sensors and connection lines, then test the module itself. When using the low-frequency working mode, it is prohibited to be used for rapid start-stop of the unit to avoid data distortion. The communication lines should be kept away from strong electrical cables to reduce electromagnetic interference. This model is a standard general version. During use, it is strictly forbidden to disassemble or modify the hardware privately.