Posted 20 Dec 2019 Hello people, We have an RSLOGIX5000 V20 PLC in our project. We are currently using 4 input cards and 1 output card. All I / O is declared in controller tags, but not all of them are used in logic. Is there a way to determine how many inputs are actually being used in logic? Share this post Link to post Share on other sites
Posted 20 Dec 2019 You could cross reference each point (right click the address) but if the programmer used a tag alias or some other form of redirection I don’t know if the xref function will so you much good. Share this post Link to post Share on other sites
