Posted 16 May 2020 Hi everyone. I have one trouble with VIPA CPU it's similar to S7-300.I have a problem with profibus i checkall cables and connector for slaves but all seem good. If there is other way to found the slave missing i need to know it. Thanking Share this post Link to post Share on other sites
Posted 16 May 2020 It's easier to find if you go online with Siemens STEP 7 software, or VIPA WinPLC7 software, and look at the diagnostic buffer of the CPU. Share this post Link to post Share on other sites