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LENNIX® Pro Tracking Controller for Industrial Cranes
Areas of application
LENNIX® Pro for industrial cranes is a control and regulation system which enables cranes to position their loads quickly and to reduce the risk of collision. It independently eliminates the unavoidable oscillations that occur while the crane is in operation. It eases the crane operator’s job and supports inexperienced operators while facilitating the automatic positioning of the crane. The danger of collision is thus reduced because the load attachment device hangs steadily at the end of every crane transaction each time.
The control and regulation system in question is comparable with the procedure of an experienced crane operator having to take adequately timed countermeasures. The desired speeds that are set by the crane operator in the manual operation mode are controlled by acceleration and braking processes so that swaying movements that occur during operation and after stopping are automatically eliminated. This in turn enables a quick positioning of the load.
Because of the electronic anti-sway the load is always calmly suspended under the trolley. This makes the crane operator’s job easier and more efficient.
The camera module measures the oscillations of the load in crane, trolley, and skew direction as well as the lifting height. In this way external factors such as pull, wind, or an initial oscillation can be compensated.
The camera module consists of a camera with a powerful flash in the infrared range, and a passive reflector on the load handling device.
OBSTACLE MANAGEMENT OPTION
Known obstacles are avoided and speed limits are adhered to in defined zones. Obstacles and zones can be combined into groups and can be dynamically turned on or off via the PLC.
System Requirements: registered obstacle data, position encoder for crane and trolley travel gear.
COLLISION PROTECTION FOR ADJACENT CRANES OPTION
The system can monitor and maintain the distance between adjacent cranes.
System Requirements: distance measuring system on all to be monitored cranes.
Type of crane
Bridge or portal crane
Converter drives for all travelling and slewing axes to be controlled
Lifting-height transmitter, position transmitter in case of automatic positioning
PLC with PROFIBUS-DP-Master or Ethernet-UDP connection
LENNIX® Pro - TRACKING CONTROLLER
The lane or synchronization controller is also available as a software option for LENNIX® Pro for industrial cranes.
This corrects the skew and a lateral misalignment System Requirements: separately controllable crane drives, measurement system.
SLEWING GEAR OPTION
In addition to controlling the crane and trolley travel, torsional oscillation can be steadied.
System Requirements: camera module, converter drive for rotational axis, position sensors for automatic positioning.
CRANE OSCILLATION DAMPING
The crane structure of the gantry crane is steadied in case the trolley movement begins to oscillate.