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OB-VR – Optical Barrier Visible Reflector

The Logika Technologies visible laser optical barrier, Model OB-VR, is designed for automation of steel, aluminum, and other production lines characterized as having extreme industrial environments. The OB-VR is used primarily to detect hot and cold metals, with typical applications being dummy bar detection, and tracking of thin plate, thick plate, billets and slabs.

The OB-VR is specially designed for harsh conditions in heavy industrial environments. The IP66 rugged enclosure protects the state-of-the-art electronics and integrated air purging keeps the window clean for extended periods of time without the need for regular maintenance. The reflector of the OB-VR has no active components and therefore can operate in extremely high-temperature areas, as high as 250˚C (480˚F).

Request information
  • Applications
  • Features
  • Options
  • Specifications
  • Downloads

Applications

  • Slab / Billet / Bloom
  • Thin Slab / Tunnel Furnace
  • Thin Strip
  • Furnace Entrance
  • Furnace Exit
  • Hot Strip / Plate Mill
  • Long Products Rolling
  • Pipe and Tube
  • Wire / Rod
  • Heat Treatment Furnace
  • Forging
  • Cold Rolling
  • Galvanizing / Annealing Furnace

Features

  • Designed for harsh environments, using an IP66 enclosure
  • Built-in Air Purging and water (or optional air) cooling.
  • Visible aiming laser to facilitate aligning the sensor with the process target and reflector.
  • Easy to install
  • Process status indicator lights.
  • Operates using an integrated emitter / receiver looking at a passive reflective target.
  • Reflector can be placed in hot locations, up to 250 °C (480˚F).
  • For targets >50mm diameter
  • Detection range 0.5m to 30 m
  • Access to an experienced applications engineering support team (included with all Logika products)

Options

  • Custom length Power Cable
  • Thermally insulated reflective jacket for extending sensor life in extremely harsh conditions
  • Support Stand - Steel Construction

Specifications

Operating temp:
Electronics: -10˚C to +45˚C (15˚F to +115˚F). With water cooling: -10˚ C to 90˚C Reflector: 100˚C (212˚F) or 250˚C (480˚F) with water cooling
Power Input:
24 VDC, 110VAC, 220VAC @ 5W
Output:
Relay NO/NC @ 5A, Choice of PNP or NPN “S” type output @ 100mA
Response:
PNP/NPN = 1 ms, Relay Make = 7 ms and Break = 4 ms
Detect distance:
0.5m to 30m
Target object:
Opaque object larger than φ50mm
Emitter Source:
650nm red semi-conductor laser Peak output power 10 mW, Class IIIb
Cable:
2 meters (6.6’), Insulation 20MΩ, 500VDC, sensor end factory terminated connector. Custom lengths optionally available.
Housing:
Cast aluminum enclosure rated IP66
Size:
Enclosure: 235 mm L x 73 mm D x 180 mm H (with mounting bracket) (9.3” L x 2.9” D x 7.1” H)
Weight:
2.5 Kg (5.5 lbs)

Downloads

  • Optical Barrier – OB-VR Brochure File size:608 KBDownload

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Phone: 1 (905) 597-7272
Email: info@logikatech.com

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