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  • Synchronizing the Image Processing System

    For synchronous image and signal processing, trigger boards control the frame grabber image acquisition, camera triggering and external peripherals.

Frame Grabber Trigger Boards Control Image and Signal Processing

To control image acquisition and synchronize an image processing system’s hardware peripherals, such as cameras, lighting, light barriers, shaft encoders, etc. in real time, frame grabbers offer not only image processing but also high-performance signal processing that handles General Purpose Input/Output (GPIO) data signals. Trigger boards are used for this purpose, which have been developed in our Mannheim branch (formerly Silicon Software). They control the frame grabber’s image acquisition process and the exposure times of the cameras.

A connector is located on the frame grabbers to plug in the trigger boards. They are connected via a 34-pin flat ribbon cable. The cable is available in various designs (left, right and customer-specific for multi-devices).

Trigger boards synchronize the image processing system – the highlights

Trigger Boards Synchronize the Image Processing System – the Highlights

Select from various physical GPIO options such as TTL and opto-coupled signals. A trigger board is available for each option: The TTL trigger enables an adjustment to the TTL signal level; the opto-trigger allows galvanic isolation and an adjustment to the industrial signal level (typically 5 to 24V).

  • Opto trigger: opto-coupled signals
  • TTL trigger: standard TTL level
  • Multiple input and output signals (max. 8x in, 8x out)
  • Synchronization of the image acquisition process
  • Synchronization of multiple cameras in the image acquisition system
  • Control of the camera’s exposure time
  • Independent control of multiple cameras connected to a frame grabber
  • Highly flexible graphic programming of user-defined trigger functions with VisualApplets

The Trigger Board Models

Model Name Connectors Inputs/outputs Connectivity to frame grabber Signal driver to frame grabber Trigger Configurations
Opto-coupled Trigger 5 2 x SUB-D15 (female) socket 8 in / 8 out mapped on two ports 34-pin flat cable open collector driver Outputs: inverted / non-inverted
TTL Trigger 2 x SUB-D15 (female) socket 8 in / 8 out mapped on two ports 34-pin flat cable open collector driver n/a

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Do You Have Any Questions about Image Processing Components or Complete Solutions?

If you would like to learn more about how the image processing components interact and how an image processing system including signal processing is developed, please contact us!

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