2/5/2024 6:45 AM | |
Joined: 10/3/2008 Last visit: 8/28/2024 Posts: 961 Rating: (124)
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Hi, the active partner is always the client, the passive partner is the server. The client establishes the connection and read or write data from the partner. You can use SIMATIC MODBUS/TCP PN-CPU (6AV6676-6MB20-3AX0 or the previous version for older PLCs) for this. Wüstenräuber |
2/5/2024 1:26 PM | |
Joined: 10/3/2008 Last visit: 8/28/2024 Posts: 961 Rating: (124)
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Yes, in modbus/TCP protocol the client is the active partner and can send request to 2 different servers. For this you need 2 connections, 2 modbus block instances and so on. For modbus/TCP and client-server you can also read some information here: https://modbus.org/ Wüstenräuber |
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