SVS-VISTEK
Feature description
62
5.3.7
Optical Input
In many trigger signals you find noise, transients and voltage spikes.
These are able to damage components in the camera and trigger signal
interpretation might be difficult.
An optical input seperates the electrical trigger and camera circuits. The
benefit of such an optical input is to avoid all these kinds of interaction
from power sources or switches. The disadvantage of an optical input is
that it is slower in terms of signal transmission and slew rate than a direct
electrical connection.
If you need super fast response from the camera, direct electrical access
is your choice. If your camera trigger is in the ms range or slower, we
recommend to use the optical input.
An optical input needs some current for operation. The SVS-Vistek optical
input is specified to 5-24V, 8mA.
The opto coupler galvanically separates electrical circuits by emitting light
on one side and interpreting light in the other. There is no direct electric
interaction between both electrical circuits.
Summary of Contents for exo174
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