Sick KTM-WP11282P Detection Contrast Sensor Identification Sensor

KTM-WP11282P is an RGB color contrast mark sensor from SICK KTM Prime series, specially designed for packaging printing registration mark detection, label positioning and material contrast discrimination on high-speed automated production lines. It adopts three-color RGB light source and high-precision grayscale algorithm to stably identify faint contrast marks, glossy packaging films and complex printed backgrounds.

• Light source: RGB tri-color LED (470 nm blue / 525 nm green / 625 nm red)
• Rated sensing distance: 12.5 mm, tolerance ±3 mm
• Spot dimension: 1.6 mm * 9.5 mm strip-shaped light spot
• Grayscale resolution: 20-level high definition gray scale recognition
• LED service life: 100,000 hours under 25 ℃ ambient temperature

• Supply voltage: DC 12 V ~ 24 V (tolerance -10% ~ +20%), ripple ≤ 5 Vpp
• Current consumption: ＜ 50 mA
• Response time: 32 µs; switching frequency up to 15 kHz; signal jitter ≤15 µs
• Output type: PNP transistor output, max load current 50 mA
• Switch mode: Light-on / Dark-on configurable
• Built-in protections: Reverse polarity protection, output short-circuit protection, anti-interference pulse suppression
• Fixed switch-off delay: 32 ms; teach parameters saved in non-volatile memory

• Cable: Integrated 0.2 m cable with 4-pin M12 male connector
• Housing material: ABS plastic; lens material: PMMA
• Protection rating: IP67 dustproof and waterproof
• Operating temperature: -10 ℃ ~ +55 ℃; storage temperature: -20 ℃ ~ +75 ℃
• Net weight: Only 20 g, ultra-compact mini size

• Status indicators: Green LED for power supply; yellow LED for switching output status
• Multiple teach-in methods:
  1. Onboard button static two-point teaching
  2. Dynamic automatic threshold teaching
  3. External ET wire remote teach-in, supporting PLC remote parameter setting

1. Tri-color RGB adaptive detection, strong adaptability to complex marks

   Automatically switch red/green/blue light source to find the optimal contrast channel. It can detect faint color marks, multi-color printed backgrounds, transparent films and reflective glossy packaging materials that ordinary single-color sensors cannot identify, greatly reducing misdetection rate.

2. Ultra-fast response for high-speed production lines

   32 µs ultra-short response time and 15 kHz high switching frequency perfectly match high-speed printing, slitting, labeling and bag-making equipment, realizing stable tracking and positioning without lag or missing marks.

3. Multiple flexible teaching ways for easy on-site debugging

   Support local button teaching and external wire remote teaching. Operators can complete threshold setting on the machine, or the upper computer can remotely configure parameters without disassembling the sensor, convenient for equipment format switching and batch commissioning.

4. Mini lightweight compact structure for narrow installation space

   Super small volume and only 20 g weight, easy to install on mechanical arms, small fixtures and limited installation positions of packaging machines; standard threaded fixing holes for quick bracket mounting.

5. IP67 industrial sealing & complete circuit protection

   IP67 enclosure resists workshop dust, water splashes and minor oil mist. Multi-layer circuit protection prevents damage from wiring errors and voltage surges, adapting to harsh packaging factory environments.

6. Stable anti-interference & long service life

   Digital anti-pulse interference filter eliminates signal fluctuation caused by ambient light flicker and mechanical vibration. Long-life RGB LED reduces maintenance frequency and spare part replacement cost for 24/7 continuous operation.

7. Standard industrial interface with excellent compatibility

   PNP output matches mainstream PLC, servo controller and counter modules; M12 4-pin standard connector is universal for industrial automation wiring accessories.

• Registration mark tracking for printing presses, slitting machines and laminating machines
• Label detection and positioning for labeling machines
• Packaging bag cutting & sealing position confirmation
• Pharmaceutical, food and daily chemical packaging line material counting & missing inspection
• Flexible packaging film edge and color mark recognition