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Communication master S7-300 & master S7-300 WIN-AC

2/27/2008 1:40 PM	Rate (0)
dstudio Bronze Member Joined: 8/24/2006 Last visit: 5/31/2024 Posts: 148 Rating: (9)	Hi, it's possible create a communication between 3 master without a coupler??? Thanks, Best Regards Diego

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2/27/2008 2:48 PM	Rate (0)
J_Bell Posts: 5822 Rating: (412)	Dear Diego, If you have a Win AC you have a Slotcard that runs like a S7-400. The S7-400 is capable of handling S7 Connections, also single sided configured ones, to the S7-300 connected to the PROFIBUS too. Over these Connections the Win AC is capable of doing PUT / GET Functions with the S7-300. So this type of Data exchange is possible. The only thing here is that the S7-300 is not able to be active in this Communication. Best regards J_Bell
J_Bell Posts: 5822 Rating: (412)
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2/27/2008 3:31 PM	Rate (0)
dstudio Bronze Member Joined: 8/24/2006 Last visit: 5/31/2024 Posts: 148 Rating: (9)	Thank you very much

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2/28/2008 8:47 AM	Rate (0)
Smurf Silver Member Joined: 9/28/2005 Last visit: 10/24/2024 Posts: 414 Rating: (28)	Hi Diego, In addition to J_Bell's explanation. If you work with 3 Profibus-DP masters on one Profibus network you also have to take account for less communication time per master on that bus. The time that the bus is available for one master is about a third of the total time of the bus. If you have more then one master on the Profibus, the token ring principle is effective.
	Smurf "The only difference between a problem and a solution is that people understand the solution."
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