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Maximum TCP/Modbus slaves on one PLC

7/1/2019 9:02 AM	Rate (0)
Eng. MoCx Member Joined: 11/18/2015 Last visit: 8/16/2022 Posts: 4 Rating: (0)	Hello, I have to connect 160 devices via TCP/Modbus on redundant PLCs then connecting them to redundant SCADA so the problem now is in PLC selection, i read datasheet but nothing is mentioned about "Maximum TCP/Modbus slaves" so how to know that ?

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7/5/2019 2:08 PM	Rate (0)
Kaulquappe Posts: 3093 Rating: (324)	How many devices can you connect to an S7-300/S7-400 using the Modbus/TCP protocol? You should also take a look at this thread. Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (324)
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