Sensor de marca colorida Panasonic LX-101

Análise do modelo (Guia de seleção)

2. Core Hardware Specifications

2.1 Optical Detection

Fonte de luz: Independent RGB LEDs (Red/Green/Blue) with 12-bit AD high-precision recognition

Standard Sensing Distance: 10±3mm (7~13 mm)

Light Spot: 1×5mm slender rectangular spot, ideal for narrow color marks sensor and printed registration marks

Velocidade de resposta: Ultra-fast 45μs response for high-speed packaging lines

2.2 Classificações Elétricas

Fonte de energia: DC 12~24V ±10%, ripple ≤10% peak-to-peak

Consumo de energia: Standard ≤750mW (30mA); ECO power-saving mode ≤600mW (25mA)

Dual Outputs: OUT1 main output, OUT2 inverted output; max 50mA load per channel with automatic short-circuit protection

Residual Voltage ≤1.5V, direct drive compatible with PLCs and solenoid valves

2.3 Ambiental & Proteção

Classe de Proteção: IP67, waterproof and dustproof, suitable for washdown machinery

Temperatura operacional: -10℃ ~ +55℃ (no condensation or icing)

Habitação: Plástico de engenharia PBT, glass lens, silicone buttons

Peso: Cable version approx. 120g; 2pcs M4 mounting screws supplied as standard

3. Three Core Detection Modes
4. MARK Color Mark Mode

Recognizes monochrome black/white or light/dark registration marks; most widely used for printing & packaging and bag-making machines with one-touch Teach calibration.

2. COLOR Color Discrimination Mode

Distinguishes similar hues (Red/Yellow/Blue/Green); for food sorting and color label positioning.

3. CI High-Precision Color Difference Mode

Detects minimal color differences, solving recognition challenges for light-colored marks on light backgrounds and reflective films.

4. On-Board Button Functions

TEACH Button: Calibration to capture reference values of base background and color marks

MODE Button: Toggle modes, delay settings, sensitivity, lockout, screen dimming, display inversion, factory reset

Built-in Functions:

Delay Timer: 9 adjustable levels for ON-delay / OFF-delay (1~500ms)

ECO Screen Dimming: Turns off digital display during operation to cut power draw

LOCK Button Lockout: Prevents accidental on-site misoperation

Display Inversion: Automatically flips screen when sensor is mounted upside down

Sensitivity Levels: 3 notas (Coarse / Padrão / Fine) ajustável

5. Cenários típicos de aplicação
6. Indústria de embalagens: Bag makers, rotuladores, filling machines and sealers for color mark tracking and fixed-length cutting
7. Indústria Gráfica: Web registration mark positioning and slitter correction
8. Comida & Indústria Farmacêutica: Sorting of colored labels on cartons & packaging bags, aluminum foil seal inspection
9. Lithium Battery & Indústria Cinematográfica: Registration positioning of film substrates and reflective film differentiation
10. Vantagens, Limitações & Soluções Alternativas

Vantagens

RGB triple-color light source delivers far superior anti-background interference performance compared to single red-light color mark sensors

Ultra-narrow 1×5mm spot enables stable detection of slim color marks and tiny registration marks

IP67 waterproof rating compatible with food and washdown production lines

Complementary dual outputs simplify PLC programming logic

Limitações

Fixed sensing range of 7~13mm; not applicable for long-distance detection

Higher unit price than domestic alternatives

Domestic Equivalent Models

MS-LX101, E3S-LS10; fully interchangeable in mounting dimensions, wiring and functions with lower cost

7. Brief Wiring Diagram (2m Cable Version)

5-core cable definition:

Marrom: DC24V+ | Azul: 0V | Preto: OUT1 | Branco: OUT2 | Cinza: External Input (optional external trigger for Teach calibration)

Panasonic LX-101 Color Mark Sensor – Full Industry Application Scenarios

Core strengths of LX-101: RGB triple-color light source, 1×5mm slender spot, 45μs fast response, IP67 waterproof rating, dual-mode (high-speed MARK tracking / high-precision COLOR discrimination). It adapts to working conditions including narrow color marks, transparent films, reflective aluminum foils, light marks on light backgrounds and high-speed webs. Below is a breakdown of applicable industries, equipamento, working pain points and matching operation modes.

1. Indústria de embalagens (Largest Application, 70% of Install Base)

1.1 Vertical Form-Fill-Seal Machines (Granules, Powders, Snacks, Daily Chemicals)

Working Conditions: High-speed web transport of PE/OPP composite film, transparent metallized film and matte color film; fixed-length bag cutting and vertical/horizontal sealing alignment

Pain Points: Single red-light sensors produce false triggers on transparent film, pale pink backgrounds with pale red marks and reflective metallized layers; line speed up to 150 packs per minute requires ultra-fast response

Recommended Mode: MARK Color Mark Mode (auto-selects optimal RGB light channel)

Funções: Detects printed registration marks to trigger servo fixed-length cutting, eliminating uneven bag lengths and sealing misalignment; ON/OFF delay filters false triggers from film wrinkles

Equipamento aplicável: Potato chip packaging, laundry detergent bags, pet food granule packs, tea pouches, non-woven fabric mask bags

1.2 Horizontal Flow Wrappers (Bread, Pastries, Tableware, Small Hardware)

Working Conditions: Continuous high-speed feed of single-layer transparent shrink film, pearlescent film and semi-transparent ink color marks

Aplicativo: Identifies edge registration marks to synchronize cutters and sealing rollers; distinguishes presence/absence of printed marks to reject blank film waste

Matching Advantage: 1×5mm narrow spot reliably tracks tiny 2mm printed marks without drift

1.3 3-Lado / 8-Side Seal Bag Makers (Snack Stand-Up Pouches, Vacuum Bags)

Special Substrates: Aluminum foil composite bags, matte kraft paper composite film, pale ink light-colored marks

Pain Points: Severe aluminum foil reflection and minimal color contrast between background and marks cause frequent mark loss with standard red-light sensors

LX101 Solution: Automatic RGB channel matching; blue light suppresses specular reflection from aluminum foil for stable detection of pale gray and pale yellow marks

1.4 Labelers & Sleeve Labelers (Mineral Water, Bebida, Cosmetic Bottles)

1. Flat Labelers: Position color marks on cartons, distinguish front/back color blocks to prevent reversed labeling
2. Heat Shrink Sleeve Labelers: Locate registration marks on transparent PVC shrink film to synchronize label cutting and bottle sleeving

Recommended Mode: COLOR Color Discrimination Mode (judges via RGB ratio) to tell similar pink/red marks apart and avoid upside-down sleeves

1.5 Integrated Filling & Sealing Machines (Sauces, Beverages, Oral Liquids)

Aplicativo: Align web film for sealing and detect seal marks to ensure complete sealing; track registration marks on aluminum foil sealing film

Environmental Advantage: IP67 waterproof construction withstands mist from washers and liquid splashes, stable performance in washdown food workshops

1.6 Slitters & Rebobinadores (Finished Packaging Web Cutting)

High-speed web slitting: Track color marks on printed film and hot stamping film for fixed-meter cutting; 45μs response supports line speeds up to hundreds of meters per minute

2. Impressão & Flexible Packaging Industry

2.1 Gravure / Flexo Web Printing Presses (Printed Film & Papel)

Função principal: Overprint Registration Mark Detection (multi-color alignment marks); real-time correction of printing roller offset to eliminate ghosting and misregistration

Working Conditions: Full-pattern base film with registration marks surrounded by graphics, unrecognizable by single-color sensors

Recommended Mode: COLOR High-Precision Color Difference Mode, differentiates marks from surrounding patterns via RGB ratio comparison

2.2 Paper Slitters, Hot Stamping Machines, Laminators

Detect printed positioning marks on art paper and coated paper gift boxes; identify gold marks on hot stamping film (gold reflection easily causes false triggers; RGB automatically switches to green light for reliable reading)

2.3 Adhesive Label Printing Presses

Locate tiny marks on narrow label webs to synchronize die-cutting and waste stripping; auto-sort batches of colored labels by hue

3. Comida & Indústria Farmacêutica (Clean, Humid Environments with Heavy Aluminum Foil Substrates)

Food Production Lines

1. Chocolate & Candy Aluminum Foil Packaging: Stable detection of pale gold marks on silver aluminum foil
2. Frozen Food Packaging: Operates in low-temperature workshops (-10℃ ~ +55℃ wide temp range) to read semi-transparent marks on frozen film
3. Disposable Tableware Packaging: Track marks on transparent plastic film for cutting

Farmacêutico & Healthcare Products (High Precision Color Discrimination for Compliance)

1. Blister Packaging Machines (Tablet Aluminum-Plastic Sheets)

Aplicativo: Sort blister packs by color blocks (Red = Spec A, Blue = Spec B, Green = Spec C) with automatic rejection of mismatched colors; locate printed batch code marks

Recommended Mode: COLOR Mode, 12-bit high precision differentiates near-pale hues to prevent product mixing

2. Carton & Ointment Tube Filling Lines: Color positioning marks on cartons synchronize carton folding and inkjet coding
3. IV Bag & Aluminum Foil Medicine Bag Makers: Track marks on multi-layer composite pharmaceutical film for fixed-length cutting
4. Lithium Battery & Optical Film Industry (For High-Reflective & Transparent Substrates)
5. Lithium Battery Separator & Aluminum Plastic Film Slitter Rewinders

Substrates: Transparent PP separators, matte aluminum plastic packaging film with tiny black printed registration marks

Pain Points: Light transmission and specular film reflection trigger frequent false signals from standard photoelectric sensors

LX101 Advantage: Coaxial optics + RGB triple-color light suppress film reflection for stable detection of 0.8mm micro marks

2. OCA Optical Film & Release Film Slitting: Detect invisible ink marks on transparent film
3. PCB & 3C Electronics Automation
4. PCB Assembly Lines

Aplicativo: RGB printed marks at PCB corners distinguish board versions (Red = Version A, Green = Version B) for automatic sorting

Resultado: Reduced false detection rate from 12% to under 0.5% vs single-color sensors

2. Phone Protective Film & Adhesive Die-Cutters: Position marks on transparent PET film to synchronize die-cut blades
3. Wiring Harness & Plastic Housing Sorting: Differentiate clip/housing models by color to divert defective products
4. Daily Chemical, Químico & Non-Woven Fabric Industry
5. Non-Woven Mask Bag Makers: Light base non-woven fabric with pale pink printed marks; MARK mode auto-selects optimal light channel for recognition
6. Laundry Detergent & Cosmetic Hose Extruders: Track marks on printed hose web for cutting
7. Fertilizer & Chemical Powder Packaging: High-speed detection of black marks on thick matte woven film
8. Specialized Working Conditions Unique to LX-101

7.1 Light Marks on Light Backgrounds (Most Challenging Condition)

Off-white film with pale yellow marks, pale pink base with pale red marks lack sufficient contrast for single red-light sensors. LX101 automatically switches to blue/green light channels to boost signal-to-noise ratio for stable output.

7.2 High-Reflective / Metallic Substrates

Metallized film, aluminum foil, hot stamping foil, bright silver PET film suffer severe specular reflection interference. RGB algorithm filters specular reflection and only responds to ink color differences.

7.3 Transparente / Semi-Transparent Film

PVC shrink film, transparent food film, lithium battery separators transmit light and produce no signal on standard photoelectric sensors. Overlapping RGB light sources capture ink absorbance differences to detect invisible registration marks.

7.4 Tiny Narrow Color Marks (1~3mm Width)

Exclusive 1×5mm slender rectangular spot avoids accidental reading of surrounding background; ideal for narrow labels, small blister packs and miniature electronic films.

7.5 Humid Washdown Workshops

IP67 protection eliminates the need for extra protective covers in splashing, misty and dusty environments; direct installation in food and pharmaceutical clean rooms.

7.6 Multi-Color Sorting to Prevent Product Mix-Up (Exclusive to COLOR Mode)

Automatic sorting of multi-hue products on a single line: red-labeled goods route to Line A, blue-labeled goods route to Line B; RGB ratio precisely distinguishes similar hues.

8. Matching Application Table for Two Detection Modes

9. Supplementary Model Selection Guide
10. Fixed equipment with standard wiring runs: LX-101 (NPN) / LX-101-P (PNP) com cabo de 2m
11. Frequent disassembly & fast sensor replacement: LX-101-Z / LX-101-PZ (M8 plug, cable sold separately)
12. Humid food and washdown machinery: Full series IP67 rated, no extra protection required