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How many TCP/IP modbus systems can communicate using cp443-1?

Created by: ABCGGKK at: 11/5/2018 1:31 PM (5 Replies)

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11/5/2018 1:31 PM	Rate (0)
ABCGGKK Posts: 66 Rating: (1)	Hi How many TCPIP modbus systems can i communicate using cp443-1 in PCS7 ------------------------------------------------------------------------------------------ Split from How many modbus systems can communicate with Cp341 rs422/485 card?.
ABCGGKK Posts: 66 Rating: (1)	Last edited by: Jen_Moderator at: 11/5/2018 2:45:19 PM New subject after splitting
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11/6/2018 11:44 AM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 3/21/2025 Posts: 4204 Rating: (624)	Hi, please check technical data of your PLC. There you will find the answer. Under Communication functions you will find information about Number of Connections. A S7-414-3 PLC can do a maximum of 64 connections. Regards, Towome
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11/6/2018 1:40 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?
Kaulquappe Posts: 3093 Rating: (324)
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11/7/2018 2:14 PM	Rate (0)
ABCGGKK Posts: 66 Rating: (1)	Hi I am using CPU410 redundandant CPU I am using 1 Nos Cp443-1 6gk7 443-1ex300xe0 v3.0 , for each CPU From Cp443-1 6gk7 443-1ex300xe0 v3.0 I can connected a cable to a Switch. For communication of modbus tcp/ip with other packages how many differenct modbus PLC or subsystem I can communicate with the above confuguration Thanks
ABCGGKK Posts: 66 Rating: (1)
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11/7/2018 4:04 PM	Rate (0)
Kaulquappe Posts: 3093 Rating: (324)	Hello, did you check the FAQ I referred to in my last post? If yes, where is the problem? Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (324)
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11/7/2018 6:46 PM	Rate (0)
ABCGGKK Posts: 66 Rating: (1)	hi thanks for the reply i found in data sheet Number of possible connections / for open communication / by means of SEND/RECEIVE blocks / maximum 64 thanks
ABCGGKK Posts: 66 Rating: (1)
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