DTF6000 Trailfinder Digital
Optical Position Scanner
Trailfinder Digital Optical Position Scanner (Looper)
- Determines Relative Bar position via
Internal Fiber Optic block and multiplexed scanned InGaAs Photodiode
- LED Array Display of product
pass line for correct alignment.
- Monitors hot product down to 400°C regardless of
- Automatic Gain operates via
Edge Control Margin Evaluation.
- Analog output for product
- Digital outputs for product
- Robust IP66 aluminum housing
with water cooling chamber and separate air purging.
- 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
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