hello all,wonder if you could helpim running a program on an item of automated test equipment and as part of the functionality i am sending rs232 "commands" to the box under test and then after a delay reading the response.this function sits inside 2 while loops.when i run the function i find that the data is not correct etc.now when i run in debug mode (i.e. very slowly) the data i receive is correct). am i doing something wrong with the while loops?i think that the os may not have enough time to do what it needs to do and my program is racing ahead.although i thought that if i was in a while loop and did a visa read then write (with a 30ms delay in between) that would be ok.im not an expert but i thought this would workany ideas?many thanks

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Could you post your code? Troubleshooting what might be the problem is difficult if you can't see the code.

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