DTF6000 Trailfinder Digital Optical Position Scanner

DTF6000 Trailfinder Digital Optical Position Scanner (Looper)

DTF6000 Trailfinder Digital
Optical Position Scanner (Looper)
with SLB-A "L" Mounting Bracket


PF1000 Rear View Showing the LED Bar Display

The DTF6000 Rear View Showing the LED Bar Display
DTF6000 Trailfinder Digital Optical Position Scanner (Looper)

Features
  • Solid State Digital Design - utilizing the latest microprocessor technology
  • Determines Relative Bar position via Internal Fiber Optic block and multiplexed scanned InGaAs Photodiode Array.
  • LED Array Display of product pass line for correct alignment.
  • Monitors hot product down to 400°C (750°F) regardless of product size
  • Automatic Gain operates via Edge Control Margin Evaluation.
  • Analog output for product position.
  • Digital outputs for product presence.
  • Robust IP66 aluminum housing with water cooling chamber and separate air purging.
Typical Applications
  • Metals Industry: Loop Control, Position of Hot Bar, Rod or Wire. Centering of Hot Strip. Edge detection & positioning.
  • Other Industries: Edge detection and positioning of hot product.

The Trailfinder operates via internal microprocessor and a multiplexed scanned InGaAs Photodiode arrays. It provides both analog output and displays the products hot edge position via bar display.

While normal Loop Scanners purely detect the product above a pre-set threshold the Trailfinder operates via a programmable control margin it ensures precise and repetitive positioned output regardless of the product’s size or temperature. Hence, it is not adversely affected by lens contamination, hot scale, metalwork or steam in the field of view. As a consequence it provides very stable performance in difficult and variable environments such as found in mill stands that can defeat other scanners.

 

Being a digital device, the Trailfinders’ response time may be precisely set to accommodate black spots, etc. without detriment to its accuracy. Furthermore, the Trailfinder detects the product edge precisely and repeatability regardless of the product size and changes in temperature. Various analog outputs are available according to requirement.

The Trailfinder operates via internal InGaAs Photodiode arrays segmented into 40 segments and scanned in 2 ms for an exceptionally fast output . The IR signal input is transmitted via an internal fiber optic block that ensures precise scanning is maintained without loss of signal yet blocking out the unwanted radiating heat from the device. This unique use of fiber optic technology facilitates compact construction with high performance.


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