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LED Lighting and Control

Triggering topologies

The diagram below illustrates some typical camera triggering topologies. Looking from left to right, topology 1 shows the traditional triggering arrangement whereby the camera is triggered by a sensor at the infeed of the manufacturing sub-process,the camera then triggers the LED lighting controller and starts its exposure. Topology 2 shows the LED light controller being triggered by the sensor, the lighting controller then triggers the camera. This has the advantage that the lighting controller can filter the trigger signal before passing the command to the light. Topology 3 shows an increasingly popular arrangement where the camera is continuously taking images and the camera's on-board software looks for relevant products in view. There is no external trigger and the lighting controller provides a regular trigger to the camera. Alternatively, the camera continually triggers the lighting controller.

Continuous mode

Provides a constant current output without the need for a trigger signal

Triggering topologies for Gardasoft LED Pulse / Strobe controllers