User`s guide

Universal Library User's Guide Counter Boards - CTR Series
166
Event notification
Event notification functions and methods supported
PCI-CTR05, PCI-CTR10 and PCI-CTR20HD only
UL: cbEnableEvent(), cbDisableEvent()
UL for .NET: EnableEvent(), DisableEvent()
Event notification argument values
EventType ON_EXTERNAL_INTERRUPT (UL)/OnExternalInterrupt (UL for .NET)
Hardware considerations
Clock input frequency (PCI boards only)
The clock source for each of the four counters is configurable with InstaCal:
PCI-CTR05, PCI-CTR10: 1 MHz, 1.67 MHz, 3.33 MHz, 5 MHz
PCI-CTR20HD: 1 MHz, 1.67 MHz, 3.33 MHz, 5 MHz, or External
Event Notification
ON_EXTERNAL_INTERRUPT cannot be used with cbCStoreOnInt() or CStoreOnInt().
CTR Series boards that support event notification only support external rising edge interrupts.