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Chapter 2 Application Examples
© National Instruments Corp. 2-19 NI-488.2 User Manual for Windows
8. The application unconfigures all of the transducers so that they no longer participate
in parallel polls.
9. As a cleanup step before exiting, the application returns the interface board to its
original state by taking it offline.
Computer
INIT
CLEAN UP
PPollConfig
Configure
Transducer 3
for Parallel Polls
Non-GPIB
Activity
Parallel Poll
Enable
Start Power
Supplies
No
Temp
Transducer
Yes
1
2
3
4
5
6
7
9
PPollConfig
PPollConfig
PPoll
Unconfigure
8
PPoll
"MIX ON"
SendList
PPollUnconfig
Power
Supply
Configure
Transducer 2
for Parallel Polls
Configure
Transducer 1 for
Parallel Polls
UNIT 1
GPIB
Cable
GPIB Cable
GPIB
Cable
GPIB
Cable
GPIB
Cable
GPIB
Cable
Are All
Metals
Ready?
Yes
Temp
Transducer
Power
Supply
UNIT 2
Temp
Transducer
Power
Supply
UNIT 3
Parallel Poll
Enable
YesYes
Parallel Poll
Enable
Parallel Poll
Parallel Poll
Disable
Figure 2-8. Program Flowchart for Example 8