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12/9/2010 3:13 PM | |
Joined: 9/27/2006 Last visit: 10/4/2024 Posts: 12283 Rating: (2685) |
Hello gfair; Control technologies (CTI) continues to develop and provide modules for the 505 family. They have marketed a Profibus Slave Adaptor that allows the 505 CPu to remain active on the rack, while allowing a Profibus master toread/write up to 110 words of data from the 505CPU: http://www.controltechnology.com/products/2577/ So, if you have the budget and you have a slot available on your rack, this could be a solution for your project. Of course, if your505CPU has a Profibus master interface, you could use a Siemens DP/DP coupler (double-interface DP-slave) to exchange data with the replacement S7 CPU, which generally comes with a profibus master inerface as well. http://support.automation.siemens.com/WW/view/en/1179382 Hope this helps, Daniel Chartier |
12/10/2010 1:07 AM | |
Posts: 37 Rating: (0) |
Thanks Daniel, The CPU is a TI545 without DP port, I forgot to mention in opening post. There are slots available for another card. How does the CTI card transfer signals? TI545 to CTI card: is it using the MKS/ MKE, BKS/BKE and AKS/AKE like Teleperms? CTI card to S7 is the normal S7 method. |
12/10/2010 11:31 AM | |
Joined: 2/10/2006 Last visit: 7/15/2024 Posts: 148 Rating: (12) |
The CTI 2577 Profibus slave module uses 2 Input words (2WX) and 6 output words (6WY) to communicate with the TI545 CPU. But there's little configuration to do in the CPU to enable this card. Attached is the user manual for this card. there's also an example how to configure it as a Profibus slave in Step7. Regards Attachment06200316_011.pdf (546 Downloads) |
2/1/2011 5:52 AM | |
Posts: 37 Rating: (0) |
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