With a continuous, homogenous light band, Wenglor retro-reflex sensors, available in Australia from Treotham, can reliably detect objects with irregular or asymmetrical shapes, for example in the field of intralogistics. With three models for different light band heights, high levels of user-friendliness and special logistics functions, they provide an economically efficient and easy-to-use solution, for example in order to prevent bottlenecks and jams in warehouse processes. This results in improved productivity, increased system availability, more flexible production and reduced costs.
The P1EL100 (27mm light band height), P1EL200 (42mm) and P1EL300 (54mm) have been developed as two-dimensional light barriers with a homogenous laser light band. They recognise objects with various shapes or perforated surfaces at a range up to 1.6m. Even dark, transparent or glossy objects are accurately detected.
“In contrast to comparable products available from the market, all of Wenglor’s models can detect extremely small parts down to 4mm throughout the entire range of 0 to 1.6m thanks to the collimated, homogenous laser light band with laser class 1,” explains Wenglor Product Manager Stefan Reetz. “Beyond this, smart functions integrated into the sensor such as the suppression of uneven conveyor belt areas through the use of dynamic teach-in and dynamic readjustment of the switching threshold, as well as the very narrow housing with a width of just 27mm, offer tremendous application and installation advantages.”
The sensors can be taught in quickly in an uncomplicated manner by simply pressing a key. In order to avoid inadvertent contact with the key and to permit flush mounting, the key is located in a slight recess on the housing. External teach-in is also possible via the controller using a 24V signal.
The dynamic teach-in function is also highly advantageous for use on conveyor belts: uneven conveyor belt areas can be easily suppressed. Even extremely small parts as small as 4mm can be reliably detected in the additional precision teach-in mode.
The sensors combine an emitter and a receiver in a single narrow housing with a width of just 27mm, which can be mounted on the side panels of a conveyor system in a few easy steps. The sensor’s plug can be rotated up to 180° for flexible installation, and matching mounting brackets, M4 through-bolts and press-fit sleeves, as well as reflector sets, simplify precision installation and alignment.
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