Barcode tape is used to create an absolute scale.
This means the crane or trolley knows where it’s at all the time even if the power is turned off and back on. The system powers up and remembers it’s position!
This has multiple applications, positioning to this level is a game changer. Automatic moves can be programmed to both crane and trolley. It provides positioning for interlocking or for alignment to make a pick.
Crane to crane anti-collision is possible with precision. End of runway travel and creep to stop can also be programmed.