mteunissen posted a comment on discussion Engineering

Hi, I'm using a Raspberry Pi 4 in combination with a Siemens ET200SP, but here's the problem: My the value of my input is only updated at +- 4 Hz, while my Profinet IO task is running at 4 ms interval, as are all my other tasks. If i let an analog output card send a sine wave directly to the analog input card, the trace shows a delayed signal with big jumps. I have checked the output signal with an oscilloscope, end the output is exactly as it should be. Also directly outputting the input signal...