sir i have siemens s7-300PN/DP cpu with memory card. in memory card we have 100db from db1 to db100

for store receipes .and  in each db like db1.dbx0.0 is the receipe name.so i want to make a screen in hmi to read all reciepe names.so how to read the the memory db in memory card to temp db in plc or something like that to show the receipe name in hmi.because hmi directly not access the memory card db address

sir tp900 hmi is already connected to profibus. i want to know how to read memory card db data to plc temp memory 

Hello,

Please follow this link & download the manual. Manual will guide you. Please check if all 100 recipes can be displayed with TP900 or you need to select upgraded panel.