Potential Errors When Optimizing The Delays - Scanlab RTC6 PCIe Board Installation And Operation Manual

Potential Errors when Optimizing the Delays

The following figures show the various effects of
unsuitable delays on the marking result, in this
example on the lettering "RTC".
LaserOn Delay too short
At the beginning of a mark
vector the laser is switched on,
even though the mirrors have
not yet reached the necessary
angular velocity.
Burn-in effects at the start points
of the respective vectors result.
LaserOn Delay too long
The laser is switched on too late
at the beginning of a mark
vector.
The first part of the vector is not
marked.
LaserOff Delay too short
The laser is switched off after a
mark command before the
mirrors have reached the vector
end position.
The respective vectors are not
marked completely.
LaserOff Delay too long
The laser is switched off too late
after a Mark command. The laser
is still on, although the mirrors
are already slowed down
considerably or have already
stopped.
The results are burn-in effects at
the end points of the respective
vectors.
RTC6 boards
Doc. Rev. 1.0.21 en-US
7 Basic Functions for Scan Head Control and Laser Control
Mark Mark
Mark
Mark Mark
Mark
Mark Mark
Mark
Mark Mark
Mark
Mark
Mark
Mark
Mark
Mark
Mark
Mark
Mark
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