The TAC-3000 tower crane anti-collision from Persha International uses wireless technology to monitor the actions of all cranes on a construction site. The anti-collision, boundary, and zone protection capabilities are suited for single or multi-crane installations, can be used on top slewing and luffing cranes, and is programmable for up to ten cranes per site. Distributed via a high-speed network, Persha claims the TAC-3000 requires minimal commissioning time compared to systems that use a mechanical interface.

The anti-collision feature detects and anticipates the risk of hook block, jib, or counter jib collision when multiple cranes of different or same height are in use.

Boundary protection is achieved with a 25-point area in which the hook block cannot operate or over-fly.

The zone protection feature can determine up to six prohibited zones in which the hook block or jib are not allowed to operate. It prevents the hook block from over-flying restricted zones like buildings, highways and other public areas.

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