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6900 series lifting special inverter

6910V special inverter for tower crane/6920V special inverter for lifter/6930 special inverter for variable-amplitude slewing adopts the organic combination of motor drive and lifting logic control, and designs widely used expert-level lifting mechanism control and safety logic, including timing Coordination, anti-slip hook and other functions save the PLC in the original system and reduce potential failure points; this inverter adopts an integrated design, no external brake or external brake power supply is required, and the load sensor does not require an external transmitter, and the degree of integration High, simplified system wiring, simple installation and debugging, high control accuracy, safety and reliability; no impact during startup and braking, smooth operation, low noise, and more comfortable seating; at the same time, providing a dedicated integrated solution for building elevators, The linkage control console, including the wireless call group control system, the floor selection automatic leveling system, the mechanical operating system, and the load sensor transmission system, provides a perfect solution for supporting customers.

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Technical characteristics:

■ Wide input voltage fluctuation range is 304V~456V

■ PG closed loop vector control

■ Large low-frequency torque, fast response of control torque

■ Vector control with load average running current is less than 10% of V/F control

■ Overvoltage, undervoltage, overcurrent, overload, stall protection and other safety protection functions

■ Stepless speed regulation, so that there is no impact during starting and braking, smooth operation, soft start, soft stop, reduce the wear of gears, racks, brakes, etc., and extend the life of components


Lifting industry:

■ The state of empty hook allows over-speed operation, the rated operating frequency is 50Hz, and over-speed operation can reach 100Hz, improving efficiency.

■ Over-wind speed status, can detect over-wind speed signal (need to configure corresponding sensor), stop running

■ Opening torque verification and shutdown holding brake torque verification, strict timing for up, down, stop, open and brake


Building lift:

■ Load limit function, if the user exceeds the upper limit set by the user, it will stop running to ensure the safety of the mechanical system

■ Integrated automatic leveling function, after the driver selects the floor, the floor arrives automatically positioned to reduce the positioning time

■ Wireless call group control system: call floor queuing display, calls on each floor do not interfere with each other, and each tower crane works without interference with each other

■ Large-screen Chinese LCD display, blue backlight adjustable, white font display clearly, monitoring parameters can be selected according to user needs

■ Oversized keys specially designed for workers, suitable for workers' physical characteristics, comfortable keys and quick response

■ The keyboard extension cable can be directly connected to the console, which is convenient for users to set parameters and conduct self-learning of floor height and load

■ One-stop service, providing elevator-level digital control system-level solutions. Including elevator-specific inverter, floor wireless pager, Chinese LCD display, floor selector, load sensor, speed sensor, etc.

Industry application:

Tower cranes, HAECO, elevators, hoists, cranes, etc.