12/27/2005 12:10 PM | |
Joined: 9/23/2005 Last visit: 11/4/2024 Posts: 4351 Rating: (1451) |
Halo colleagues Customers and sellers frequently ask about a tomb rule to memory estimation of SIMATIC PLC. I know three tools to do it:
Unhappily, however, these tools require precisions knowledge about the installation (how many positioning tasks, PID, S7-Graph steps, etc.). Some times, the installation is too simple, (just belts or pumps) or detailed information is not always available, for example because it is only a budget. I know that is impossible to have precision in the memory calculation without all information: it is possible to be too conservative (and not economically competitive) or too aggressive (with the risk of start up problems). But I fell is that sometimes is necessary have a statistical tool that gives some like that: “with assertively of X %, for Y1 digital signals and Y2 analogic signals, a memory requirements stay between Z1 and Z2 Kbytes”. One time I start to work around the topic and come to the tomb rule (for big installations): Memory [bytes] = 22.000 + 100*(digital points) + 200*(analogical points), but I don’t have more time to work around it, and it will needs certainly a practical validation. I open this discussion place with a hope that we can sum experiences and ideas, and with that, we mount a clear picture of the theme. |
Denilson Pegaia |
|
This contribution was helpful to3 thankful Users |
9/15/2014 12:06 PM | |
Posts: 94 Rating: (8) |
Dear Pegaia, I'm unable to get the required document through the given link it seems the document in not available, please let me know other way to get that documents. also let me know how we can use CA01 to calculate memory. Regards, Arunraje. |
9/23/2014 2:10 PM | |
Joined: 9/3/2014 Last visit: 3/13/2019 Posts: 4766 Rating: (122) |
DearArunraje, I'm sorry, but because of the lower relevance,this document was unfortunately deleted from the Online Support Side. Possibly a other user of this forum can help you with the problem. Best regards Min_Moderator |
3/28/2017 2:14 PM | |
Joined: 9/3/2014 Last visit: 3/13/2019 Posts: 4766 Rating: (122) |
New question published by AutoGen_782819 is split to a separate thread with the subject How many DI and Modbus data I can add?. Best regards |
Follow us on