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zofim

Profibus network with RS485 repeater!

2 posts in this topic

Hello guys,

I have the following distribution in a profibus network:

S7-315-2 DP(--> Salida del conector)
1- Free DP connector
2- RS485 repeater
3- Periferia ET200S
4- Periferia ET200S
5- Periferia ET200S
6- Periferia ET200S
7- Periferia ET200S
8- Variador MM440 (Cabinet C)
9- Periferia ET200L
END

S7-315-2 DP(<-- Entrada del conector)
1- Variador MM440 (Cabinet A)
2- Variador MM440 (Cabinet A)
3- Variador MM440 (Cabinet A)
4- Variador MM440 (Cabinet A)
5- Variador MM440 (Cabinet A)
6- Variador MM440 (Cabinet A)
7- Variador MM440 (Cabinet A)
8- Variador MM440 (Cabinet A)
9- Variador MM440 (Cabinet A)
10- Variador MM440 (Cabinet A)
11- Variador MM440 (Cabinet A)
12- Variador MM440 (Cabinet A)
13- Variador MM440 (Cabinet A)
14- Variador MM440 (Cabinet A)
15- Variador MM440 (Cabinet A)
16- Variador MM440 (Cabinet A)
17- Variador MM440 (Cabinet A)
18- Variador MM440 (Cabinet A)
19- Variador MM440 (Armario A)
20- Variador MM440 (Cabinet A)
21- Variador MM440 (Cabinet A)
22- Variador MM440 (Cabinet A)
23- Variador MM440 (Cabinet A)
24- Variador MM440 (Cabinet A)
25- Variador MM440 (Cabinet A)
26- Variador MM440 (Cabinet A)
27- Variador MM440 (Cabinet A)
28- Variador MM440 (Cabinet A)
29- Variador MM440 (Cabinet A)
30- Variador MM440 (Cabinet A)
31- Variador MM440 (Cabinet A)
32- Variador MM440 (Cabinet A)
33- Variador MM440 (Cabinet A)
34- Variador MM440 (Cabinet A)
35- Periferia ET200S
36- Variador MM440 (Cabinet B)
37- Variador MM440 (Cabinet B)
38- Servoamplificador E94AYCPM (Cabinet B)
END

What would be the best way to configure the network? As you can see I have more than 32 nodes in 1 segment and the RS485 repeater is not being used properly.

Hope you can help me,

Regards!

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Read this document, it will guide you when configuring your network.

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