PT-21B

Pattern light 21mm blue M8/3-pin

LED projection lights are an alternative illumination principle for applications such as

  • object detection,
  • surface inspection,
  • positioning,
  • stereovision,
  • robot guidance and alignment tasks.

The changing scale of the projected patter also allows for a rough assessment about the height and the working distance of the object.

  • Ready-made and custom-made patterns
  • Integrated swivelling mechanism for patter orientation alignment
  • C-mount lens of your choice
  • Made for both continuous and triggering operation mode
Pattern light 21mm blue M8/3-pin
Active Illumination Area (mm) 21
IP Category IP50
Connector M8/3
Weight (g) 66
Dimensions (mm) L40xW40xH51
Green Infrared Red Blue White
LED Wavelength 525 nm LED Wavelength 850 nm LED Wavelength 625 nm LED Wavelength 470 nm LED Wavelength 5700K
Cancel all parameters

LIGHT OPERATING MODES

PERMANENT ILLUMINATION MODE
This light is designed for both the permanent and light-triggering mode.
For permanent illumination bring the voltage of 10-24 V to the pin number 4 (black wire).
The light is ON during the time when the 24 V EN signal is activated.
Use a PCL, camera or another binary signal source.
For the light intensity control, please see the text bellow.

LIGHT TRIGGERING MODE
Light triggering mode saves energy and extends the lifetime of the light.
Trigger operation mode is recommended when a parallel operation of 2 or more lights might affect
the quality of the acquired image.
To start using a triggering mode, bring the pin number 4 (black wire) to a 10-24 V signal.
The light is ON when a voltage signal is present at pin number 4 then.
Use a PCL, camera, or another binary signal source for triggering.
For the light intensity control, please see the text bellow.

LIGHT SOURCE INTENZITY REGULATION
The light intensity might be regulated by analogue voltage,
PWM signal or an external controller.
In case of using an analogue signal, the light intensity might be regulated in a linear way at a pin number 4
by the voltage span of 2.7 -10 V.
Bringing a voltage of 12-28 V to the pin number 4, the light works at its maximum intensity.
The maximum PWM frequency is ≤ 40 kHz.

Configuration

Model series Wavelength Datasheet 2D drawing 3D model
470

Principles of use

Dimensions and weights

illustration
Model series A - Length (mm) B - Width (mm) C - Height (mm) Weight (g)
PT-21B 40 40 51 66

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