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AGV

KT8L Laser

The KT8 sensor family features two variants. The first variant, the KT8L, enables very reliable detection of the smallest contrast marks and objects thanks to the precise laser. Lasers are used in contrast sensors for long sensing distances (up to 800 mm) or for detecting very small objects. The KT8L gives you both! Thanks to the two light spot sizes, the smallest elements can be detected with < 0.3 mm and larger objects and marks with approx. 3 mm. 3-color LED, gloss adjustment, automatic drift correction and short response times are what make this device the ideal product.

คุณสมบัติ

  • Versatile use for various distances from sensor to sensing object
  • Precise detection of the smallest marks and objects, e.g. 1 x 1 mm²
  • Reliable operation even in the event of object jitter
  • Access to the sensor with the controller saves the machine operator time and effort during parameterization
  • Individualized parameterization and setting specifically tailored to the application
  • Automatic drift correction enables maximum production reliability, for example in the event of weakening print marks
  • Reliable operation with high-gloss foils ensures high machine availability

ข้อมูลจำเพาะ

Dimensions (W x H x D) 30.4 mm x 53 mm x 80 mm
Sensing distance 150 mm 1)
Housing design (light emission) Large
Light source Laser, red 2)
Laser class II (EN 60825-1:2014), IEC 60825-1:2014
Wave length 655 nm
Light emission Long side of housing
Light spot size Ø 0.3 mm 3)
Light spot direction Round
Operating distance 30 mm … 800 mm 4)
Adjustment Teach-in button
Teach-in mode Static 2-point teach-in
  Dynamic teach-in (min/max)
Function Automatic drift correction
1) From leading edge of lens.
2) Average service life: 50,000 h at TU = +25 °C.
3) At focal point = sensing distance 150 mm.
4) With respect to black-white contrast 6 % / 90 %.
Supply voltage 10 V DC … 30 V DC 1)
Ripple ≤ 5 Vpp 2)
Current consumption < 80 mA 3)
Switching frequency 17 kHz 4)
Response time 30 µs 5)
Jitter < 15 µs
Switching output PNP
Switching output (voltage) PNP: HIGH = UV ≤ 2 V / LOW approx. 0 V
Analog output 0.3 mA … 20 mA
Output current Imax. 100 mA
Input, teach-in (ET) PNP
  Teach: U = 10 V … < UV
  Run: U < 2 V
Retention time (ET) 25 ms, non-volatile memory
Time delay 20 ms, adjustable
Connection type Male connector M12, 5-pin
Protection class II 6)
Circuit protection UV connections, reverse polarity protected
  Output Q short-circuit protected
  Interference pulse suppression
Enclosure rating IP67
Weight + 400 g
Housing material Metal, zinc diecast
Optics material Glass
1) Limit values when operated in short-circuit protected network: max. 8 A.
2) May not exceed or fall below Uv tolerances.
3) Without load.
4) With light/dark ratio 1:1.
5) Signal transit time with resistive load.
6) Reference voltage DC 50 V.

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