Hints For Setting Up Control Programs - THORLABS ITC502 Operation Manual

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
Start writing
Write command to
device (ibwrt ...)
Poll status byte
(ibrsp ...)
Is FIN-bit set ?
No
Yes
Is EAV-bit set ?
Yes
No
Query error-queue
(write ":SYST:ERR?"
to the device)
Poll status byte
Is FIN-bit set ?
Read error-message
Is EAV-bit set ?
End
Flowchart for writing device commands
3.9 Hints for setting up control programs
(ibrsp ...)
No
Yes
(ibrd ...)
Yes
No
ITC500 / page 97