Posted 22 Apr 2020 I have a program for 555 controller in APT with multiple sequences and units. How I do i know the program executing order ( which unit or sequence is run first)? just trying to understand more about the APT program structure. Share this post Link to post Share on other sites
Posted 23 Apr 2020 You can download the hardware manual from this link: https://support.industry.siemens.com/cs/document/8776697/simatic-tdc-simatic-tdc-hardware?dti=0&pnid=14307&lc=en-WW. Share this post Link to post Share on other sites
Posted 23 Apr 2020 thank you for your response, i do have the manual but it is just not clear how the units are executed and just wonder if someone has hand-on experience on this topic... Share this post Link to post Share on other sites