fahad aziz khan Member F Join Date Aug 2011 Location lahore Posts 18 Mar 7, 2014 #1 how much data i can fetched from profibus Dp port ..is there any limitation of data size like 2KB.2MB etc etc ...
how much data i can fetched from profibus Dp port ..is there any limitation of data size like 2KB.2MB etc etc ...
KalleOlsen Member K Join Date Oct 2008 Location Norway (moustache area) Posts 1,782 Mar 7, 2014 #2 A Profibus DP telegram can be max 244 bytes long. The capacity of the Profibus master is dependant of how it is implemented. The max amount of slaves is 125. Many master units has a lower limit, f.x. mas 32 slaves. So I'm afraid that you will have to read the manual. Kalle
A Profibus DP telegram can be max 244 bytes long. The capacity of the Profibus master is dependant of how it is implemented. The max amount of slaves is 125. Many master units has a lower limit, f.x. mas 32 slaves. So I'm afraid that you will have to read the manual. Kalle
fahad aziz khan Member OP F Join Date Aug 2011 Location lahore Posts 18 Mar 7, 2014 #3 can you suggest me a manual for this ....not an issue i will read out the manual
KalleOlsen Member K Join Date Oct 2008 Location Norway (moustache area) Posts 1,782 Mar 7, 2014 #4 fahad aziz khan said: can you suggest me a manual for this ....not an issue i will read out the manual Click to expand... If you aren't talking about a specific profibus dp master, the answer to your first question is 244*125 bytes of inputs and the same amount outputs. If you want to get the manual for the probably most common DP master; google the manual for a Siemens S7315-2DP. And don't forget to check thoroughly the info found here: www.profibus.com Kalle Last edited: Mar 7, 2014
fahad aziz khan said: can you suggest me a manual for this ....not an issue i will read out the manual Click to expand... If you aren't talking about a specific profibus dp master, the answer to your first question is 244*125 bytes of inputs and the same amount outputs. If you want to get the manual for the probably most common DP master; google the manual for a Siemens S7315-2DP. And don't forget to check thoroughly the info found here: www.profibus.com Kalle