communication continuum problem
Hello
I wrote a VI to connect with a converter via the RS-232 serial interface. I'm sending point speed and reading speed and torque value continuously to the engine control. The only program works without any problem. But when I integrate the VI in the main program that measure the voltage and current through the acquisition of data (rate = 5 kHz), serial communication is disrupted somehow, I mean I get from time to time a few zeros for values of speed and torque that night my control loop.
I have integrated my new VI just like any other loop in the main program and tried to play with the delay, but it did not work. It bothers me that this problem occurs randomly, as sometimes the readings are perfect for 5 min and sometimes from the first few seconds, I get a few zeros.
No idea what could be the problem?
Thank you very much
Tags: NI Hardware
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