BENTLY 3500/42 128240-01 本特利位移速度監(jiān)測器是一款高性能的監(jiān)測設(shè)備，以下是對(duì)其的詳細(xì)介紹：
BENTLY 3500/42 128240-01 本特利位移速度監(jiān)測器既可以采用緊湊的導(dǎo)軌安裝，也可以采用傳統(tǒng)的面板安裝。其安裝孔位置與以前四孔安裝的3300前置器相同，且不需要獨(dú)立的絕緣板。在纖維防護(hù)罩中，該監(jiān)測器也不會(huì)受到附近無線電信號(hào)的干擾。
BENTLY 3500/42 128240-01 本特利位移速度監(jiān)測器廣泛應(yīng)用于各種需要監(jiān)測機(jī)械振動(dòng)和位移的場合，如風(fēng)力發(fā)電機(jī)組、水力發(fā)電機(jī)組、石油化工設(shè)備、重型機(jī)械設(shè)備等。通過連續(xù)不斷地將機(jī)器振動(dòng)當(dāng)前值與組態(tài)中的報(bào)警設(shè)定值進(jìn)行比較，并驅(qū)動(dòng)報(bào)警系統(tǒng)，從而達(dá)到保護(hù)機(jī)器的目的。同時(shí)，它還能為操作人員和維護(hù)人員提供關(guān)鍵的機(jī)器振動(dòng)信息，有助于及時(shí)發(fā)現(xiàn)并處理潛在的故障。
BENTLY 3500/42 128240-01 Bentley displacement velocity monitor is a high-performance monitoring device. The following is a detailed introduction to it:
1、 Product Overview
BENTLY 3500/42 128240-01 Bentley displacement velocity monitor can be installed with compact guide rails or traditional panel mounting. The installation hole position is the same as the previous four hole installation of the 3300 preamplifier, and no independent insulation board is required. In the fiber protective cover, the monitor will not be affected by nearby radio signals.
2、 Functional Features
Multi functional measurement: This monitor can perform both static (displacement) and dynamic (vibration) measurements, mainly used for vibration and displacement measurement of oil film bearing machinery, as well as key phase and speed measurement.
High compatibility: This module can receive inputs from various replacement models of sensors, including 3300XL 8mm, 3300 RAM, 3300 5mm and 8mm, 3300 16mm, HTPS 7200 5mm, 8mm, 11mm, and 14mm.
Programmable alarm: The 3500 rack configuration software can be used to configure warning settings, set alarm settings for each valid proportional value, and set danger settings for two of the proportional values.
4-channel monitoring: With 4 channels, it can receive signals from displacement, velocity, and acceleration sensors, process these signals, and then compare them with user programmed alarm values.
3、 Technical specifications
Input signal: Accept 1 to 4 displacement, velocity, or acceleration sensor signals.
Standard I/O: 10 kiloohms (displacement and acceleration input).
Triple Redundancy (TMR) I/O: The effective impedance of three bus type TMR I/O channels connected in parallel to a sensor is 50 kiloohms.
Power: Normal consumption is 7.7 watts.
Sensitivity: Sensitivity varies depending on different measurement parameters such as radial vibration, shaft displacement, eccentricity, differential expansion, etc. Specific values can be found in the product manual.
4、 Application scenarios
BENTLY 3500/42 128240-01 Bentley displacement velocity monitor is widely used in various occasions where mechanical vibration and displacement need to be monitored, such as wind turbines, hydroelectric generators, petrochemical equipment, heavy machinery equipment, etc. By continuously comparing the current vibration value of the machine with the alarm set value in the configuration and driving the alarm system, the purpose of protecting the machine is achieved. At the same time, it can also provide critical machine vibration information for operators and maintenance personnel, helping to detect and handle potential faults in a timely manner.
5、 Installation and Debugging
Pre installation inspection: Ensure that the wire mouth of the probe is smooth and flat, and that the surface of the probe is free of oil stains or other foreign objects. The rotating fixed nut should move back and forth freely without any jamming phenomenon.
Installation spacing adjustment: Use a caliper to measure the distance between the turbine rotor and the upper cylinder opening screw hole, and then rotate the fixed nut on the probe to adjust the distance between the nut and the front end of the probe to a position slightly larger than the measured distance. When rotating the probe, do not apply too much force to avoid damaging the probe.
Power inspection: Connect a multimeter to the VT and COM terminals of the Bentley preamplifier on site to check if the 24V power supply is working properly.
Cable connection: Ensure that the connection joint of the probe cable is well connected to the connection joint of the extension cable of the preamplifier. And use joint protectors, heat shrink tubing, and insulating tape to wrap the connection joints of the extension cable. It is strictly prohibited to expose the joints or come into contact with any metal.
Adjust probe spacing: Use a multimeter to connect the OUT and COM terminals of the Bentley preamplifier, then rotate the fixed nut on the probe to adjust the distance between the probe and the rotor to the standard voltage value of 9.75V.
Check the microcomputer display: Finally, check whether the corresponding shaft vibration reading displayed on the microcomputer is normal. In the shutdown and turning state, the shaft vibration reading should be below 10um to be considered normal.
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