I have one question that maybe so easy but it's difficult for me. When I create component ex. a tank, and than I give tag C1010, but when i add input line that connected to tank the tag no for tank will change to C10 (where last 2 digit will loose). I hope get answer fo this matter & thanks.
You can create your own custom tag format for the equipments. Please refer to the below article for more info.
If the problem presists, please send me a sample drawing to assist your further.