National Instruments 653X Manuale Utente
Chapter 2
Using Your 653X
2-4
ni.com
Connecting Signals
Connect digital input signals to the I/O connector using the pinout
diagrams, Figures C-1,
diagrams, Figures C-1,
.
Creating a Program
Using the following flowcharts as a guide, create a program to perform
unstrobed I/O. Figure 2-1 displays a flowchart for C programming using
NI-DAQ, while Figure 2-2 shows a LabVIEW programming flowchart.
unstrobed I/O. Figure 2-1 displays a flowchart for C programming using
NI-DAQ, while Figure 2-2 shows a LabVIEW programming flowchart.
The boxes represent function names for the appropriate software, and the
diamonds represent decision points.
diamonds represent decision points.
Table 2-1. Port 4 Lines
Direction
Line
I/O Pins
Input
0
STOPTRIG 1
1
STOPTRIG 2
2
REQ 1
3
REQ 2
Output (standard)
0
PCLK 1
1
PCLK 2
2
ACK 1
3
ACK 2