3.9 Hints for setting up control programs
ITC500 / page 97
3.9 Hints for setting up control programs
The following flowcharts show the communication sequences between a control
computer and an ITC5xx using the IEEE488 interface. Use these sequences to
ensure fast and secure communication.
Flowchart for writing device commands
Figure 15 Flowchart for writing device commands
Start writing
Write command to
device (ibwrt ...)
Poll status byte
(ibrsp ...)
Is FIN-bit set ?
No
Yes
Yes
No
Is EAV-bit set ?
Is FIN-bit set ?
No
Yes
Poll status byte
(ibrsp ...)
Query error-queue
(write “:SYST:ERR?“
to the device)
Read error-message
(ibrd ...)
Yes
No
Is EAV-bit set ?
End
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