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TPL Vision designs, manufactures and delivers LED lightings for machine vision.

!!We do not sell camera!!

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Acces to the comparison table

End-user, you will be fond of:

- Products extra-long lifetime, avoiding you spend time setting lighting up at each equipment replacement.
- Reduced operating costs thanks to system stability: LED's power decrease by 20% maximum between first start until the end.

Integrators, machines manufacturers, you will take an interest in:

-Ability to select color, providing optimized contrast and best robustness;
-Ability to diversify lightings effects by choosing diffused or focused lights;
-Not to be constrained by product size;
-To be able to modulate power;
-To be able to use continue or strobe mode in order to capture fast movements.

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As everyone knows, choosing the right lighting requests not only the proper functioning of the application, but also its robustness.

Machine vision integrators can help you to determine the right lighting you need.
However, with over 1,000 different applications processed per year, TPL Vision has a particular expertise to offer that you will not obtain with integrators.

In order to limit risks, TPL Vision offers its services:

-Free equipments loans;
-Free feasibility tests in our laboratory in Nantes;

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TPL Vision is reachable in different ways:

We maintain close relationships with our cameras suppliers. They will give you the essential quality of service to obtain a robust vision application. In addition, they are the only ones able to engage with you on the results of your application.

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You can receive a loan product for free for a maximum period of two weeks (on request and free of charge).
To obtain a TPL Vision loan, please fill in the form below, sign the terms of loan and return us everything.
For any loan application, thank you for contacting Mrs Catherine SAMSON, she will establish a loan coupon for validation: Tel: +33 (0) 240.56.10.99

General loan conditions

Back and forth shipping is at your charge.

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Before sending a sample for feasibility tests, you must download and fully complete the questionnaire below and accept the conditions of execution of this feasibility.

Application feasibility questionnaire

General conditions for feasibility request

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TPL Vision pays the most attention to after-sales. In order to fully identify eventual problems and initiate associated corrective actions, please join the form below to your return.

After-sales form

In case you bought the equipment at one of our partners, please refer to their return procedure in force.

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All the TPL Vision staff is available to help you at +33 (0) 2.40.56.10.99.

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Insofar as the operation of a machine vision application depends simultaneously of the lighting, the camera and its associated software, environment, and especially the variability of products and process, TPL Vision is by no means able to engage itself on the outcome of your application, and assumes no liability for failure of the lighting solution.

Our integrators partners are the only ones able to undertake to ensure the success of your application.

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Examples : Coaxial lighting, Dark field lighting, Signal frequency, Signal period, Duty cycle, Power intensity, Maximum rise time, Strobe signal frequency...

Glossary

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Link to the delivery times table

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If you want to know how TPL Vision's references are made up, click on the link below:

TPL Vision references construction

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Click here

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•Because it is possible to use them in order to get lots of effects : dome effect, dark field effect and directive lighting. Have a look on this documentation.

•They are configurable in many ways : current in LEDs, optics, diffusers selection..

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Abacus short listing

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Click here

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Two cases: either you have a UV specific camera and then you watch reflections, or you watch fluorescence emitted by every object under UV ray.

In the first case, UV lighting is enough.

In the second case, it is crucial to couple the UV light with an interferential filter which placed in front of the objective, will only let visible light pass through (>415nm).

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They are a lot of manufacturers which use glue, paint, joints, inks and other liquids with a UV brightener proportion. A UV brightener is a chemical compound sensitive to UV ray which return a visible light when excited by UV.

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TPL Vision UV lightings are not comparable to UV sources used for tanning or surface decontamination.

Please read § General points/"Are TPL Vision lightings dangerous"?

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IR lightings emit a light close to be invisible (850nm). They do not emit heat and they are not used for heat emission detection.

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IR lightings are very useful when you do not want to distract operators working around the control zone (however percautions needs to be taken, see next question). They take place as well when you want to remove colors.

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As indicated above, TPL Vision IR lightings do not heat the piece lit. They can however be dangerous for operators if no safety precaution is taken. Indeed, because of light invisibility, it is not possible to rely on the reflex of the eye lid (eye lid closure in 0.25 seconds) that protects it from too intense illumination.

Please read § General pointS/"Are TPL Vision lightings dangerous"?

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In that context, a white lighting is often used. It is a good solution but not perfectly robust, especially when the contrast between foreground and background is very low.TPL Vision has developed specific lightings for that needs, the RGB lightings:

DOL-I :Adjustable four panels lighting.

TYNI'Z RGB : Miniature ring light set coaxially to the camera.

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White lighting do not allow maximizing contrast on a scene. TPL Vision has acquired special expertise in the interaction light/material, allowing us to advise you on the optimal color ensuring the best contrast for your application.

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The « lines of light » are caused by the cylindrical form. A way to remove them is to use TPL Vision Tunnel lighting.

These lightings are tailor-made regarding your application, but the price remains the same as the range prices.

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They can be avoided by three different ways:

o By using a dome (report to "how to make an inexpensive dome ?") ;
o By lightings inclination +/-45° ;
o By using polarizing filters.

The third solution is better if you want to « pierce » a plastic film in order to see what is behind. See following pictures:

 

Without polarizer

With polarizer

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TPL Vision products can be used in strobe or continuous mode.
In continuous mode, it is necessary to forestall a power supply delivering enough power as announced in the product's technical documentation.

In the case of strobe use, the current consumed by lighting is made up of peaks when the lights turn on. Even if the average current is low due to low duty cycle, it should not be limited to that for the choice of the power supply.

Take heed to choose a power supply that can withstand the inrush currents to peak, because the choice of a power supply sized exclusively on the basis of average consumption is not enough.

Generally, power supplies have the capacity to deliver higher currents than the rated current for short times due to capacity output. Refer to the manufacturer's documentation to see if your power supply can withstand these currents in relation to our recommendations on products.

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3 backlights in TPL Vision's range:

•Compact backlight (20mm thickness), low power: BLC range
These products exist by 50mm modules, until a maximum size of 200x200mm.
•High power backlights (45mm thickness), built for on-conveyor applications (two 3mm borders) : BL range
Product sizes between 100x100 mm and 500x500 mm.
•High power backlight (90 mm thickness), built for large size (until 1,5m x 1,5m) : BLGC range

The choice of one of these products is immediately related to your application. See this following table which helps you:

Backlight type	Available space	Size of image	Screen far behind the piece ?	High power needed ?
BLC	Low	Low	No	No
BL	Medium	Medium	Yes or No	Yes
BLGC	High	High	Yes or No	Yes

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The easiest way to make a cheap dome is to manufacture a rectangular casing and place in it bars XBAR DOM facing the ceiling.
The light thus reflected, will spread so almost homogeneous inside the parallelepiped, as would a dome.
This solution does not achieve a perfect dome, but it can meet 90% of applications, especially when one wishes to achieve a large dome.

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Polarizing filters are plastic films which have been subjected to a deposit of a special material which allow them to "comb the light". Their lifespan is not infinite because the deposit surface changes under the influence of light radiation.
The lifespan of a polarizing TPL Vision film is about six months when exposed to permanent radiation 24h/24h and 7d/7d.

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The ring light ANNU12 has been designed to operate in continuous or strobe modes, but we have not planned, as to XBAR, a selector to switch between the two modes.
To operate the ANNU12 in strobe mode: link 1 to +24VDC, 3 to GND and shunt 4 to the 1.
To operate the ANNU12 in strobe mode: link 1 to +24VDC, 3 to GND, and supply from 5 to 24VDC to 4.
The light will be on as long as the 4 signal will be powered.

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The ring light BLBAR has been designed to operate in continuous or strobe modes, but we haven't planned as to XBAR, a selector for one or other of the two modes.
To operate the BLBAR in strobe mode: link 1 to +24VDC, 3 to GND and shunt 4 to the 1.
To operate the BLBAR in strobe mode: link 1 to +24VDC, 3 to GND, and supply from 5 to 24VDC to 4.
The light will be on as long as the 4 signal will be high.

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NO, ThinLED spots do not have the cooler that would allow them to operate continuously. It is therefore mandatory to operate for short times and let them cool between each period on. For this reason, we developed a specific power supply that sets the duty cycle to 10% and limit the duration of ignition at 2 ms. TPL Vision supplies a device, ThinLED Easy Start, wich eases installation, settings and tests procedure.

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It is a change of state. Signal 1 between 5 V and 24 V.
Our products are not all designed to operate in NPN or PNP. Refer to user's guides supplied with our products to know how to connect for strobe mode.

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