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Outstanding color contrast sensitivity detecting contrasts as low as 2% over a wide range of colors.
- Excellent performance in low-contrast or high-gloss applications
- Ultra-fast 10 kHz switching frequency (10,000 actuations per second) 15 µs repeatability
- Rugged, zinc alloy die-cast housing rated IP67
- High-quality acrylic lens suitable for food processing applications
- Bipolar NPN/PNP with selectable light/dark operate (LO/DO)
- Two lens locations on each sensor and vertical or horizontal light spot, depending on model
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Application Notes
Detecting Registration Marks on Labels
Banner’s R58 high-speed, low-contrast expert registration sensor detects subtle registration marks on the labels as they pass at high speed—ensuring the label is cut at precisely the right moment for correct label placement. To accommodate frequent changeovers, the sensor is designed with LED color options—which automatically change depending which color best optimizes contrast.
Tube Positioning Using a Registration Mark
Banner’s R58 Expert registration mark color contrast sensor is a high-performing sensor with an ultra fast 10 kHz switching frequency that quickly detects registration marks, which is ideal for tube positioning applications. Even with a high-gloss surface or a low-contrast situation, the R58 Expert can easily detect the registration mark on a filled tube to determine how it should be oriented.
Registration Mark Detection on a Labeler
Banner Engineering’s R58B Expert registration mark sensor confirms the registration mark’s position on the web. This allows the machine to make minor infeed adjustments to ensure the cut is properly placed and all labels are consistent and complete. If the labels are incorrectly cut they need to be removed from the bottling line creating costly downtime and waste. A quick and easy-to-use sensor is needed to dramatically improve throughput.
Toothpaste Registration Mark Verification
As empty tubes go down the manufacturing line, a visible light sensor can verify a toothpaste tube’s registration mark before being filled and sealed. Banner’s high-speed R58 visible light color contrast sensor is an extremely powerful sensor for registration mark applications and can easily read marks on high-gloss and low-contrast surfaces, detecting contrasts as low as two percent over a wide range of colors.
Detecting Various Registration Marks
Hamer, LLC is a Minnesota-based manufacturer of automated packaging equipment for a wide variety of applications and world-wide customers. From pet food to pellet fuels, Hamer machinery packages products in a variety of weights and sizes at speeds up to 60 bags per minute. A vital component of Hamer’s equipment is registration mark sensing—the ability to detect marks on packaging as it passes at high speeds. When a mark is detected, the equipment cuts the packaging at the designated location, eliminating waste and ensuring each bag is consistent.
Splice Detection in a Paper Roll
Banner’s R58 Expert registration mark high color resolution sensor is a high-performing sensor with an ultra fast 10 kHz switching frequency that quickly detects splices and other defects that are otherwise hard to detect. The high sensitivity of the R58 Expert detects the inconspicuous splice in a roll of paper to ensure the printer skips over the splice during the press process.