Bin-picking sensor facilitates accurate part selection
October 2003Sensors & Transducers
Access Control & Identity Management
Banner Engineering is offering its PVD Series Parts Verification Sensor featuring large bright green and red job lights that provide distinct visual cues to guide assemblers through a part picking sequence and notify of an incorrect or out-of-sequence selection. The PVD is ideal for multipart pick-to-light assembly, order packing and fulfilment as well as bin picking, part sorting, collating and error proofing applications. Especially significant is the PVD's unique patent-pending one-piece self-contained emitter/receiver design that offers automatic sensing mode selection of either the diffuse or retro reflective sensing mode depending on the presence or absence of a retro reflective target material. The diffuse mode is ideal for smaller bins and has a sensing range up to 400 mm while the retro reflective mode accommodates larger bins with an extended 2 m sensing range.
"Interfaced to a system controller with a pre-programmed task sequence, the PVD provides a fast, simple way to guide accurate bin-selection - increasing task efficiency and quality control while reducing rework and inspections," said Joe Dolinsky, technical manager for Banner's photoelectric products. "The solid or blinking easy-to-see job lights initiate a user action and are ideal for multilingual workplaces where communication can be an issue."
The PVD is well suited for a wide range of applications in automotive, cosmetics, printing, mailing, material handling and other labour intensive industries with strict process requirements. Also unique is the PVD sensor's ability to automatically compensate for changing sensing conditions. "Banner's new PVD is unlike any other parts-verification sensor available. The patent-pending completely self-contained solid-state microprocessor design continually tests operating conditions and self adjusts to compensate for the degrading or returned signal changes that often occur in industrial environments," said Dolinsky.
The PVD offers a compact package size: 30 mm wide by 15 mm deep - and is available in two sensing lengths: 100 or 225 mm. The PVD is constructed with a robust metal housing and a large selection of heavy-duty metal brackets and protective covers are available for added mounting flexibility and protection in particularly rugged environments like those found in automotive assembly operations.
The PVD features 12 to 30 V d.c. operation, adjustable DIP switches to select either PNP (sourcing) or NPN (sinking) output which operates either normally open or normally closed, flashing or steady job light, gating polarity control and a 2 m unterminated cable or a 2 m cable with 5-pin Euro-style quick-disconnect connector.
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