Data Translation DT9820 Series, User Manual

Page: 56 / 112

Chapter 4
44
Single-Value Operations (cont.)
Acquiring
data?
Yes
No
Acquire a single value using
olDaGetSingleValue.
1,2
Output a single value using
olDaPutSingleValue.
2,3
Acquire/
output
another
value?
No
Release the subsystem using
olDaReleaseDASS.
Release the driver and terminate the
session using olDaTerminate.
Yes
Continued from previous page.
1
Read a single analog input value or a digital input value from the specified
channel/line. Each A/D subsystem contains one differential analog input
channel.
2
Eight digital input lines (0 to 7) are available on Port A, and eight digital
output lines (0 to 7) are available on Port B.
3
The value is output to the specified analog output channel (DAC 0 or 1) on
the DT9822 module, or to a digital output line using a gain of 1.