1/5/2015 8:50 PM | |
Joined: 11/29/2011 Last visit: 2/4/2025 Posts: 1362 Rating:
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Hi, I am not too sure what is your question. If you have an S7-400H system you need a Y link to merge the two DP stream. A lot of comments here to read: https://www.automation.siemens.com/tf/WW/en/Posts/58579 I hope that was your question. Cheers: |
- What you read here, please check with manuals and your requirements. |
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1/5/2015 10:59 PM | |
Joined: 11/29/2011 Last visit: 2/4/2025 Posts: 1362 Rating:
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Hi, I see... OK. It will be diffcult with S7-300. But there is a way out. ET200s have some head modules with built in CPU. So this little CPU could controll your water system, and communicate to the 2 S7300. So the head module decide which S7300 is the boss. What you need to check how many S7 connections the ET200s head module can handle. Simple solution, but maybe worth to think about it. See the link here: http://support.automation.siemens.com/WW/view/en/42361392 Let me know if you found it usefull! |
- What you read here, please check with manuals and your requirements. |
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