How to scan 4 analog channels by using an edge of an external clock

[EL KAIM]

How scanning 4 analog inputs (1 point/channel) every positive edge of an external trigger clock. I want to drive a mutifonction DAQ card E serie and i use NI-DAQ fonctions with Visual C++.
I can use Trigger fonctions, scan fonctions but not the both.

[Filipe A.]

Hello;

You can configure the DAQ task to receive an external channel clock, instead of a scan clock.
The channel clock is the clock pulse train that controls every conversion of the ADAC, as opose to just the beggining of a scan.

You can connect the external pulse train to the correspondent channel clock pin of the DAQ connector.

Regards
Filipe A.
Applications Engineer
National Instruments