The following pages present a short overview of the individual LED light module development services offered by Vossloh-Schwabe. These services can be booked as individual development modules, or as part of a customer-specifi c turnkey development project. Please contact your VS representative for further details.

1.1 Initial consultation

Our Sales Department makes a record of all customer specifications

  • Preliminary work: customer specifications
  • Result: checklist, report (pdf, doc), non-binding quote
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1.2 Layout service

1.2.1 Basic layout

Simple layouts in line with customer requirements

  • Preliminary work: customer specifications
  • Result: layout file (Eagle, Gerber, pdf, dxf)
  • Ref. no.: 547983
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1.2.2 Extended layout service

Layouts with protective circuits and control options in compliance with the relevant standards (air gaps and creepage distances, insulation clearances, labelling (printing), tolerances, ...).

  • Preliminary work: customer specifications
  • Result: layout file (Eagle, Gerber, pdf, dxf)
  • Ref. no.: 547984
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1.3 Samples

1.3.1 Sample of an LED module

Design and production of hand-made and/or semi-automated module prototypes

  • Preliminary work: 1.2 Layout service
  • Result: functional/hand-milled sample
  • Ref. no.: 547985
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1.4 SMD assembly

One-off costs for initiating the production of an SMD module, incl. function tests as service. The soldering work performed on the manufactured modules is covered by the statutory warranty period.

  • Preliminary work: producible layout or 1.2 Layout service
  • Result: mass production
  • Ref. no.: 547987
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1.5 Assembly

Execution of additional assembly steps, e.g. optical components, heat sinks or frames as a service. The manufactured modules are subject to the statutory warranty for the work carried out.

  • Preliminary work: 1.4 SMD assembly
  • Result: Series modules
  • Ref. No.: 547995
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2.1 Optical simulation

2.1.1 Optical simulation of a specific design

Creation of limited data based on an existing lens design, LED data, and specified operating conditions

  • Preliminary work: customer specification and 3D data of the lens (iges, step)
  • Result: Light intensity distribution curve (Eulumdat or IES)
  • Ref. no.: 547988
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2.1.2 Simple lighting design

Simulation of lighting characteristics, light distribution and light radiation behaviour in a system based on existing or known radiation data of the light sources.

  • Preliminary work: customer specifications
  • Result: report (pdf, ppt)
  • Ref. no.: 547989
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2.2 Prototyping Lens/Reflector

First 3D samples with provisional optical properties

  • Preliminary work: 3D data
  • Result: concept sample
  • Ref. no.: 547990
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2.3 Thermal simulation

2.3.1 Thermal simulation

Calculation of system temperatures; heat sink calculation based on known geometries and the materials used.

  • Preliminary work: customer specifications
  • Result: report (pdf, ppt)
  • Ref. no.: 547991
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2.3.2 Thermal design

Elaboration of thermal improvement measures in the system

  • Preliminary work: 2.3.1 Thermal simulation
  • Result: report (pdf, ppt)
  • Ref. no.: 547992
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2.4 Verification

2.4.1 Verification of optical features

2.4.1.1 Measurements using an integrating sphere

(assembly groups up to max. Ø = 350 mm)

  • Result: report (pdf, ppt) Total luminous flux; most similar colour temperature (CCT); spectrum, colour coordinates, CRI, TM30, radiant flux, dominant peak and medium wavelengths. Electrical parameters: Voltage, Current and Power, Power Yield and Efficiency
  • Ref. no.: 557286
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2.4.1.2 Measurements using a goniophotometer

(assembly groups up to max. Ø = 500 mm)

  • Result: Luminous intensity distribution curve(s) in IES and Eulumdat format, report (pdf, ppt) (luminous intensity distribution curve, half width, total luminous flux, UGR, total electrical power)
  • Ref. no.: 557287
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2.4.1.3 Measurements using a near-field goniophotometer

(assembly groups up to max. Ø = 300 mm)

  • Result: Report (pdf, ppt), radiation files in various formats (Lighttools, TracePro, Photopia, Speos, Zemax). Note: The radiation output points are located on a sphere of approx. 300 mm diameter and must be traced back by the end user according to the geometry.
  • Ref. no.: 557288
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2.4.1.4 Photometric analysis of luminaires, including loss analysis of individual components

(assembly groups up to max. Ø = 500 mm)

  • Result: report (pdf, ppt) Luminous flux and electrical power, loss analysis of the individual luminaire components
  • Ref. no.: 547993
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2.4.2 Verification of thermal properties, measuring the tc point of the application

Measuring the tc point of the application

  • Preparatory work: sample of corresponding components in the system
  • Result: report (pdf, ppt) values measured at the Tc points, service life analysis
  • Ref. no.: 547994
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3.1 EMC measurements of interference immunity according to EN 61547

Electrostatic discharge (ESD), immunity test for fast transient electrical disturbances (burst), immunity test for overvoltage, immunity test for voltage drops, short interruptions and voltage fluctuations.


3.1.1 Measurement of non-dimmable luminaires

  • Preparatory work: Non-dimmable luminaire for measurement
  • Result: Short report (pdf)
  • Ref. No.: 563528
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3.1.2 Measurement of dimmable luminaires

  • Preparatory work: Dimmable luminaire for measurement
  • Result: Short report (pdf)
  • Ref. No.: 563529
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3.1.3 EMS report

  • Preparatory work: 3.1.1 Measurement of non-dimmable luminaires or 3.1.2 Measurement of dimmable luminaires
  • Result: report (pdf), evaluation of the results according to EN 61547
  • Ref. No.: 563530
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3.2 EMI measurements of interference emissions according to EN 55015

Interference voltages (9 kHz - 30 MHz), radiation intensity of the magnetic field (9 kHz - 30 MHz), interference voltage when controlled (150 kHz - 30 MHz), RF emissions (CDN method) (30 MHz - 300 MHz), emissions of AC mains harmonics (direct current - 2 kHz)


3.2.1 Measurement of non-dimmable luminaires

  • Preparatory work: Non-dimmable luminaire for measurement
  • Result: Short report (pdf)
  • Ref. no.: 563531
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3.2.2 Measurement of dimmable luminaires

  • Preparatory work: Dimmable luminaire for measurement
  • Result: Short report (pdf)
  • Ref. no.: 563532
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3.2.3 EMI Report

  • Preparatory work: 3.1.1 Measurement of non-dimmable luminaires or 3.1.2 Measurement of dimmable luminaires
  • Result: Report (pdf), evaluation of results according to EN 55015
  • Ref. no.: 563533
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4.1 Conversion of luminaires to an LED solution from VS

Analysis of the existing concept (mechanical, electrical, thermal and optical) and proposal for the conversion.

  • Preparatory work: Provision of the existing luminaire incl. Spec + data
  • Result: luminaire with VS-LED components
  • Ref. no.: 557289
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In contrast to booking our individual service modules, this development service involves Vossloh-Schwabe partnering you during the entire development process from the first idea right through to readiness for mass production: in close collaboration with you as our customer, we develop a LED product in line with your specifications. From feasibility study to layout, from prototype production, thermal and optical simulation and evaluation right up to full qualification with lifetime testing – we provide everything under one roof. Characterisation
Optical, electrical and thermal measurements Legal check
Checking the patent situation and relevant legal provisions EMI
EMI matters (taking EMC measurements, ESD testing) Qualification
Qualification (service life and environmental testing) Supplier qualification Second source planning
For critical components Test equipment
Construction of test equipment for production and QA Tests
Safety-relevant testing FMEA
Potential failure analysis Data sheet
Data sheet including service life details Packaging
Packaging design and packaging instructions Standards
In-house checks made by VS Commissioning external production
Initiation of external mass production (item lists, test documents, PCB ordering documents, sets of drawings) Reporting
External reports Result
Qualified, mass-producible product incl. reports and documentation Processing time
Target: approx. 6 months Price
From EUR 16,000 An extended warranty is available on request within the framework of our turnkey development service. Contact us - we are happy to help you organise the next steps