Hello,
I am currently configuring the scale and offset settings for the Analog Out in my open-loop GFM model (SPI). When running the offline simulation, I receive the following warning: “An output is less than the selected Coder Target Analog output voltage lower limit (0 V).” After investigating the issue, I found that the RT Box output, particularly the Vpcc signal during transient conditions, reaches approximately -0.55 V. The warning disappears when I change the Analog output voltage range in the Coder/Target settings to -5 V to 5 V or -10 V to 10 V.
However, I would like to ask whether it is safe for the STM32 ADC input if I keep the current Analog Output scale and offset configuration while using an Analog output voltage range of -5 V to 5 V. Can the STM32 ADC accept negative input voltages?
Open_Loop_GFM_SPI.plecs (191.6 KB)