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Trigger Modes in Industrial Cameras

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The trigger mode is a passive output mode, typically used when real-time response is required, such as capturing images of moving objects. Trigger signals can be generated by software or hardware sensors/mechanical switches, leading to software or hardware triggers.

  • Industrial cameras typically offer dedicated interfaces for trigger signals, allowing you to set the frame count and other parameters. Different cameras provide various Software Development Kits (SDKs), but their underlying API structure and programming models are quite similar. Direct Memory Access (DMA) technology and DMA controllers are used to perform high-speed transfer operations without CPU processing.

Choosing the Trigger Mode for an Industrial Camera

  1. Continuous Acquisition Mode: Ideal for static inspections, where continuous motion does not allow for trigger signals.
  2. Software Trigger Mode: Suitable for dynamic inspections, where continuous product movement can provide trigger signals.
  3. Hardware Trigger Mode: Best for high-speed dynamic inspections, where products move quickly and can generate trigger signals.

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