Programmable Lighting System for PCB Inspection

Product Specifications

Technical details and manufacturing context for Programmable Lighting System

Definition

A programmable lighting system is a critical component within an automated PCB optical inspection system. It provides controlled, adjustable illumination to enhance visual detection of defects on printed circuit boards. The system enables precise lighting conditions tailored to different inspection requirements, improving the accuracy and reliability of the inspection process. It is designed for integration into inspection equipment, where it functions as a component rather than a standalone product. The system typically includes LED arrays, aluminum heat sinks, optical diffusers, and control circuitry. Key parameters include light source type (high-brightness LEDs), number of channels (4–16), color temperature (3000–7000 K), illuminance (5000–50000 lux), uniformity (≥90%), strobe frequency (0–1000 Hz), pulse width (1–1000 μs), operating voltage (24 V DC ±10%), power consumption (10–50 W), operating temperature (0–40 °C), storage temperature (-20–70 °C), IP rating (IP54–IP65 per IEC 60529), and weight (0.5–2.0 kg). These values are reference ranges and must be verified for the specific model and application. The system is intended for use in industrial environments and should be selected based on inspection requirements. Always confirm model-specific specifications and standards with the legal manufacturer or supplier before procurement or integration.

Working Principle

The system uses programmable controllers to adjust lighting parameters such as intensity, angle, color temperature, and illumination patterns. LED arrays with digital control interfaces allow real-time adjustments based on inspection algorithms, optimizing contrast for defect detection on various PCB surfaces and components. The control circuitry enables independent channel control, strobe synchronization, and pulse width modulation for exposure control. The system operates within specified voltage and temperature ranges, and its performance is influenced by configuration and environmental conditions.

Common Materials

LED arrays, Aluminum heat sinks, Optical diffusers, Control circuitry

Technical Parameters

Parameter	Typical range	Notes & selection driver
Light Source Type	LED	High-brightness LEDs for uniform illumination
Number of Channels	4–16	Independent control per channel
Color Temperature	3000–7000 K	Adjustable for contrast optimization
Illuminance	5000–50000 lux	At working distance
Uniformity	≥90 %	Over illumination area
Strobe Frequency	0–1000 Hz	For motion freeze
Pulse Width	1–1000 μs	For exposure control
Operating Voltage	24 ±10% V DC	Protected against reverse polarity
Power Consumption	10–50 W	Depends on channel count and intensity
Operating Temperature	0–40 °C	Derating above 40°C
Storage Temperature	-20–70 °C	Non-condensing
IP Rating	IP54–IP65	Dust and water resistantIEC 60529
Weight	0.5–2.0 kg	Depends on configuration

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

LED Array Module
Primary light source with multiple LED elements

Material: Aluminum PCB with LED chips
Programmable Controller
Digital control unit for lighting parameters

Material: Electronic components on PCB
Optical Diffuser Panel Part
Evenly distributes light and reduces glare

Material: Polycarbonate or acrylic
Heat Management System
Dissipates heat from LED components

Material: Aluminum heat sinks and thermal paste

Manufacturers of Programmable Lighting System

Manufacturer profiles associated with Programmable Lighting System.

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Inspection readiness

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Frequently Asked Questions

What is the typical number of channels in this lighting system?

The number of channels is typically between 4 and 16, depending on the configuration. Each channel can be controlled independently for precise lighting adjustments.

Can the color temperature be adjusted?

Yes, the color temperature is adjustable within a range of 3000 to 7000 K, allowing optimization for different PCB surfaces and defect types.

What is the operating voltage requirement?

The system operates at 24 V DC with a tolerance of ±10%. It is protected against reverse polarity.

What IP rating does the system have?

The IP rating is IP54 to IP65, according to IEC 60529, indicating dust and water resistance. The exact rating depends on the specific configuration.

Data Basis

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Preliminary Technical Classification

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pressure:	Atmospheric (sealed enclosure)
temperature:	0°C to 50°C
power supply:	24V DC ±10%
illumination intensity:	Up to 100,000 lux

Programmable Lighting System

Product Specifications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards