Roller sensor bar for conveyor applications

25 July 2022

SICK has developed a Roller Sensor Bar to help reduce conveyor downtimes in wide-ranging materials handling, parcel sorting or logistics hubs.

The SICK Roller Sensor Bar delivers high sensing performance when detecting the leading edges of varied, flat or irregular shaped packages on conveyors. Mounted between rollers or belted sections, this flexible concept dispenses with the need to pre-qualify and stock multiple sensor types. 

Quickly mounted using spring-loaded end caps, a pre-configured sensor bar is ready to start work without needing to be aligned. Whether mounted during conveyor manufacture or fitted to an existing production line, the time taken to install and set up a sensor is said to be minimal.  

The sensor is also quick and easy to customise to allow it to detect a wide range of shapes and sizes of packages simultaneously, in any orientation, even when they have irregular or thin leading edges. It can therefore be quickly adapted for a broad range of detection needs from, non-transparent poly bags and jiffy packs through to totes or pallets.

Users specify the sensor bar length ranging from 200mm to 1.2m, then set between two and eight sensing points spaced 50mm to 200mm apart. As a result, they achieve alignment precision and avoid detection blind zones. Positioned to detect from below, the sensor has excellent ambient light immunity so false trips and triggers.  

A choice of ten different connector types and nine standard cable lengths ensure quick and easy installation, not just into all kinds of roller conveyors, but for belted conveyor sections and flexible conveyors. 

With an IP67-rated housing, the SICK Roller Sensor bar is resilient to the ingress of dust or water during cleaning procedures. 

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