Contec AD12-16(PCI), User Manual

Page: 39 / 76

Functions and Operating Procedures
AD12-64(PCI), AD12-16(PCI)
32
Figure 4.1. Basic operation for analog input
Sampling operation is verified by
monitoring status. Generating an
interrupt by status change is allowed
also. Figure 4.2. shows procedures for
inputting analog signals. Perform
initialization before starting sampling.
Then specify sampling conditions, such
as mode of operation and input range.
Output the start command to feed the
data for conversion.
Figure 4.2.
Analog input procedures
1ch 1ch
3ch 2ch 1ch 0ch 3ch 2ch 1ch 0ch
sampling start
input channel
3ch 1ch
sampling start
input channel 3ch 2ch 1ch 0ch 3ch 2ch 1ch 0ch
b. Software mode - Multichannel mode
a. Software mode - Single channel mode
sampling start
input channel
sampling clock
sampling clock
sampling start
input channel
c. Clock mode - Single channel mode
d. Clock mode - Multichannel mode
Start
Initialization
Specify sampling
conditions
Start sampling
Specify input range
Input data
End