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　　3BHB011788R0001 Other names:

　　Control unit 3BHB011788R0001

　　3BHB011788R0001 Input and output unit

　　Analog unit 3BHB011788R0001

　　ABB inverter 3BHB011788R0001 has been widely used in various industries such as power generation, chemical industry, papermaking, metallurgy, transportation, etc. with its stable performance, rich optional expansion functions, flexible programming environment and good torque characteristics.

　　Main features

　　Energy feedback and energy saving: The 3BHB011788R0001 inverter has an energy feedback function and has excellent performance in energy saving. It is especially suitable for occasions such as hoists that require frequent starting and braking.

　　Zero speed full torque: The motor driven by 3BHB011788R0001 can obtain the rated torque of the motor at zero speed without the feedback of the optical encoder or speed measuring motor. This feature is particularly prominent in the elevator industry and is superior to other brands of inverters.

　　Accurate speed and torque control: 3BHB011788R0001 provides accurate speed and torque control, allowing the motor to start smoothly and reach the maximum starting torque (the maximum starting torque can reach 200% of the rated torque of the motor).

　　Wide power range and protection function: The 3BHB011788R0001 inverter has a wide power range and provides complete protection functions to ensure that the equipment can operate stably under various working conditions.

　　Flexible programming capability: Combined with the host computer system, 3BHB011788R0001 can form a product suitable for various types of applications to meet the special needs of users.

　　Common faults and repairs

　　Fiber optic communication faults: Faults such as "LINK OR HWC" and "PPCCLINK" are usually related to fiber damage or connection problems between the CPU board and the I/O board. It is necessary to check whether the fiber connection is intact and whether the CPU board and the I/O board are damaged.

　　Switching power supply damage: It mainly occurs on the switching tube. A short circuit of the switching tube will cause the power resistor used for current limiting to burn out. It is necessary to check whether the output voltage and waveform of the switching power supply are normal, and whether the switching tube is damaged.

　　IGBT power module damage: The damage of the IGBT power module may be caused by many reasons, such as the wrong trigger signal provided by the main circuit interface board and the gate driver board. It is necessary to detect whether the voltage and waveform of the AC side terminal and the DC side of the IGBT are normal, and whether there is a short circuit or open circuit.

　　Power board failure: The power board is responsible for converting the DC power on the DC bus into power for the main circuit interface board and other components. If the power board fails, it may cause problems such as the drive motor not moving or the control panel not displaying. It is necessary to check whether the input and output voltages of the power board are normal, and whether there are problems such as fuse blowing or component damage.

　　Daily inspection and maintenance

　　Check the operating environment: Before the inverter is powered on, the temperature and humidity of the surrounding environment should be detected to ensure that the equipment operates in a suitable environment.

　　Cleaning and inspection: Regularly clean the cooling duct of the air filter and the internal dust, and check whether the screws, bolts, and plug-ins are loose.

　　Measure voltage and waveform: When conditions permit, use an oscilloscope to measure the stability of the voltage of each circuit output by the switching power supply, as well as the distortion of the waveforms of each circuit of the driver circuit.

　　Check the contactor and contacts: Check whether the contacts of the contactor have signs of sparking or damage. If necessary, replace them with new ones of the same model or larger capacity.

　　Application fields

　　The 3BHB011788R0001 inverter is particularly suitable for occasions that require precise control of speed and torque, such as elevators, cranes, papermaking machinery, etc. In addition, due to its energy feedback function, it also has significant advantages in energy saving, so it is also widely used in various occasions that require frequent starting and braking.

　　All products on this website are special products, and the market price has been fluctuating.

　　The specific quotation is subject to customer service, because the product is a new product, the price is not real,

　　Please confirm the model and product, price and other detailed information with customer service before placing an order. The website has been used.

　　New ones are on sale, please contact customer service for communication.

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