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Revolutionizing LED Panel Testing

Growing demand for light emitting diode (LED) products combined with increasing testing complexity continue to challenge electronic printed circuit board (PCB) manufacturers. Sterner Automation, a leader in LED test technology, provides solutions that address these specialized requirements, including the versatile igentic® 821t panel testing system. The igentic® 821t automated process combines advanced vision technology with flexible positioning and power-up capabilities to detect inconsistencies in individual LEDs at the panel production level. The resulting detection capabilities ensure that the highest standards are met while maintaining the capacity associated with today's high speed automated lines.

The igentic® 821t Video

The igentic® 821t Efficiently Handles Multi-Board Test Requirements

  • High resolution LED imaging camera, featuring electronic exposure control and custom photopic filter, measures LED colour and luminous intensity allowing for individual board pass or fail assessment
  • Specially engineered and integrated measurement board handles both steady-glow and flashing LEDs, as well as under-driven power conditions
  • High performance camera and software recognition system accurately corrects for individual board variations
  • Functional test requirements, including resistance, current, voltage and relay, can be integrated based on customer specifications
  • High speed 4 axis programmable servo robot, with quick change robot interface and custom end-of-arm-tooling (EOAT), provides the flexibility needed to handle individual or multiple board contact and power-up requirements
  • Industry standard conveyor, with SMEMA interface and precision lift-and-locate station, ensures seamless inline integration and rapid reconfiguration for a wide variety of products
  • Intuitive PC-based control system ensures reliable performance and simplified programming for multi-product configurations
  • 2D barcode scanner and factory information system (FIS) integration, provide product and operator traceability
  • Integrated electro-mechanical, inkjet, or laser marking systems for individual board or panel identification
  • Optional industry standard magazine loaders and conveyors provide stand-alone operation
  • Optional LED image analysis software detects off-axis LEDs
  • Multi-language compatibility, remote monitoring and 24-7 support ensure global corporate requirements are met

The igentic® 821t Provides Superior Capability and Value

  • Improves quality and customer satisfaction by accurately identifying and reporting problem boards
  • Delivers greater profitability by reducing testing cycle time and labour costs
  • Provides needed testing flexibility by reducing new product changes to programming and tooling
  • Minimizes setup, downtime and operator training

This high-performance system can meet your current and future LED testing challenges.

Sharpen your competitive edge by integrating Sterner Automation igentic® solutions into your production process today!


Performance Characteristics


·         Measured in (Cx, Cy) co-ordinates on the CIE plane

Luminous Intensity

·         Measured in units of Candela/m2

Power Supply

·         Capable of delivering power in two software selectable ranges

o        0 to 25 V at 7 A

o        0 to 50 V at 4 A

·         Able to dynamically set voltage levels and limit current


Mechanical Systems

Frame and Guarding

·         Heavy duty

·         ESD safe Lexan panels


·         Adjustable width

·         SMEMA compatible

·         Edge clamping provides panel support

End of Arm Tooling

·         Precision quick change fitting


·         4-axis servo

·         Up to 5400 mm/s (17.7 ft/s)

·         Up to 0.02 mm repeatability


Electrical Systems

Control PC

·         2 ethernet cards

·         Optional RAID dual hard drive storage

Robot controller

·         Ethernet port for connection to control PC


·         For controlled shutdown of PC and robot controller


·         Distributed

·         Networked

Stepper motors

·         For conveyor velocity and position control


·         AC synchronous motor

·         Feedback sensor for closed-loop width adjustment


·         Touch screen

·         Test results for immediate process control

·         Test limit modifications through a password protected maintenance page

Imaging Camera

·         Calibrated

·         Specialized software to determine colour and luminous intensity

High Resolution Camera

·         11 megapixel

·         Captures fiducials

·         Determines LED orientation

Barcode Scanner

·         2D

Electrical Approvals

·         CEC

·         NEC


Safety Systems

  • Designed to CSA, ANSI/RIA and OSHA Safety Standards
  • Programmable safety controller for monitoring of all safeguarding devices
  • Safety-rated contactors with monitoring contacts.
  • Easy-access interlocked Lexan guard doors and enclosure
  • Lockable emergency-stop button


Interface Requirements

  • Power source – 120/208 VAC, 3 phase, 5 Wire, 30 A
  • Factory unlubricated dry air – 5.5 bar (80 psi)


Service Support

  • All equipment is programmed, tested and approved prior to shipment
  • Operators manual (CD and hard copy), complete drawing sets and spare parts lists are included for reference
  • 24-7 emergency service, online equipment monitoring, history databases and preventative maintenance programs ensure maximum support



  • Selection of electro-mechanical, inkjet or laser marking systems to meet customer specification for panel or individual board identification 
  • Industry standard magazine loaders and handling conveyor systems for sorting or other interface requirements
  • LED image analysis software for the detection of off-axis LEDs
  • Customized data collection and reporting software for local data storage or factory information system (FIS) integration
  • Integrated rework stations for board analysis and repair traceability
  • Optional safety-integrated automated door locks to only allow operator access after robot and all other hazards are confirmed to be safe.







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