Contec AD12-64(PCI) User Manual page 42

Sampling mode [D0]
Configure mode of sampling operation.
Select "Software Command" for performing one sampling operation
on specified channel or select "Clock" for performing periodical
sampling using a clock signal.
Sampling Mode
The following are examples of initialization settings described in
high-level languages:
Microsoft C
outp( ADR+8, 1 );
outp( ADR+12, ConditionData );
Reference
Sample software : AI1.C, AI2.C, AI3.C, AI4.C, AII.C, ATII98.C
* Outputting the command for specifying sampling conditions
during sampling operation results in halting of the sampling
operation.
AD12-64(PCI), AD12-16(PCI)
Functions and Operating Procedures
[0] : Software Command
[1] : Clock
Microsoft QBASIC
OUT ADR+8, 1
OUT ADR+12, ConditionData
*Initial status
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