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multiple masters connect to one slave

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  • MVP 2023

It's no different than connecting a single master to the slave. You have 4 sockets available for MODBUS TCP. Just initialize up to 4 sockets to TCP, each with a different port number and do a MODBUS TCP configuration for each. Then have a separate SCAN_EX FB for each. There are example projects that came with your VisiLogic installation that will show you the best way to set up MODBUS TCP for both master and slave.

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