Basic Operation and Features3-20 Basler A500k SeriesPRELIMINARY3.3.3.4 ExSync, Programmable Mode with Synchronous Timing 2Figure 3-18: ExSync, Programmable Mode - Exposure Start and Stop with Frame Valid HighIf the exposure starts and ends while Frame Valid is high (see Table for values n to z):• The actual start of exposure can be x μs later than the rise of the ExSync signal.• Actual length of exposure time = n - y μs...n + z μsThe actual length of exposure time can only occur in multiples of w μs.A504k/kc A501k/kcn exposure set by ExSyncx 1.7 μs to 3.7 μs 6.9 μs to 20.2 μsy ≤ 1 μs ≤ 7.4 μsz ≤ 2 μs ≤ 20.7 μsw 2 μs 13.2 μsFrameValidFlashOutLineValidExSyncExSync PeriodExposure Time(Timer 1)41.2 μs (A501k/kc)6.9 μs...20.2 μs (A501k/kc)300 ns (A501k/kc)5.1μs ... 6.6 μs (A504k/kc)44 ns (A504k/kc)1.7 μs...3.7 μs (A504k/kc)