Variable Jump Delay - Scanlab RTC 5 PC Interface Board Installation And Operation Manual

Variable Jump Delay

During a jump vector, the laser focus (output
position) usually moves with a constant linear
velocity, the jump speed. Since the jump speed is the
same for each jump vector, a constant jump delay is
required for settling of the mirrors.
However, if a jump vector is very short, the scanners
might not reach the full jump speed during the jump
because of the inertia of the mirrors. In this case, a
shorter jump delay might be sufficient for settling.
Minimum Jump Delay,
set by set_delay_mode
0
Variable Jump Delay
Top: length l of the jump vector
Bottom: Variation of the jump delay
®
RTC 5 PC Interface Board
Rev. 1.9 e
7 Basic Functions for Scan Head and Laser Control
To make use of this, the RTC
delay mode. In this mode, the jump delay for short
jump vectors will be reduced in time, as shown in
figure
vector of zero length) and the jump length limit are
set by the user with the command
or set_delay_mode_list.
When using the variable jump delay mode, total
marking time can be reduced, especially in
applications involving many short jumps.
Notes
• To turn off the variable jump delay mode, simply
set the parameter JumpLengthLimit to zero.
• For jump vectors with a length of zero, the
(variable) jump delay will not be executed.
Jump Length Limit,
set by set_delay_mode
®
5 offers a variable jump
31. The minimum jump delay (for a jump
Constant Jump Delay,
set by set_scanner_delays
Jump Length l
set_delay_mode
31
101