Free-Run Mode With Synchronous / Asynchronous Timing - Basler A500k User Manual

Basic Operation and Features

3.3.4.2 Free-run Mode with Synchronous / Asynchronous Timing

Figure 3-20: Free-run, Programmable Mode - Exposure Start with Frame Valid High, Exposure
Stop with Frame Valid Low
If the exposure starts when Frame Valid is high and ends while Frame Valid is low (see Table for
values n to z):
• The actual start of exposure can be x µs later than the falling of the internal control signal.
• Actual length of exposure time = n - y µs + z µs
n
x
y
z
3-22
PRELIMINARY
k/kc k/kc
A504 A501
exposure set by Timer 1
1 µs to 3 µs 7.2 µs to 20.2 µs
< 1 µs < 0.8 µs
< 1 µs < 0.2 µs
k
Basler A500