ADLINK PCI-8124-C - Manual (Page 95)

Function Library 85
I16 WaitTtlIn : Enable TTL-IN start timer (0: Disable, 1:
Enable)
I16 TtlTrigLogic : TTL-IN start timer condition
 0: Falling edge of TTL-IN signal
 1: Rising edge of TTL-IN signal
I16 Interval : Timer interval ( 0 – 16383)
 Timer tick interval = (Interval x 16 + 4) x 25 (ns)
I16 Start : Start timer
 0: Stop timer
 1: Start timer