Skip to main content
Crane SentrySolutions

Redundant Crane Sentry® Zone Manager Combines Trolley Position and Load Restrictions

By January 4, 2021No Comments

We often get requests for solutions to challenges that are not addressable with any of our standard Crane Sentry® products. PHD Crane Systems approached us recently with a series of challenges, one of which involves zoning out an area of the crane span in order to de-rate load capacity on one side of the span.

They also required sensor redundancy for added safety. Laser-View Technologies responded with a modified version of our new Crane Sentry® Zone Manager II.

Instead of equipping the crane with a laser for the bridge axis and a laser for the trolley axis, we supplied 2 lasers along the trolley axis for redundancy. A load cell in the Demag Hoist is read into our Crane Sentry® controller. Operators are permitted to use the hoist throughout the span.

However, when the load exceeds a user-specified amount in a region of the span, trolley motion is disabled. Conversely, if the trolley is in the no-fly zone and the load increases past the safe limit, trolley movement and hoisting will both be disabled.

Interested in learning more about Crane Sentry® Zone Manager? Click here to contact Laser-View Technologies.