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Need basic information on Modbus TCP/IP communication
Created by: JD_techflirt at: 6/4/2011 6:34 AM (1 Replies)
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| 6/4/2011 6:34 AM | |
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Posts: 95 Rating:
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Hi, Can u pleaseprovide me with basic information on Modbus TCP/IP communication. What it is?? How it is done?? What are the CPs we can use for it? Do we use Modbus CP CP341, or TCP/IP CP CP443-1?? Can anybody help clear my doubts?? Regards, JD Splitted from How to configure "Other station" with CP 443-1 in OPEN MODBUS/TCP-IP communiction. |
Last edited by: O_Moderator at: 6/6/2011 12:39 PMnew subject after splitting |
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| 6/4/2011 8:09 AM | |
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Posts: 691 Rating:
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Dear JD_techmania You can find the information on Modbus TCP/IP here SIMATIC S7 - OPEN MODBUS / TCP Communication via the integrated PN ...CP 341 is used for the modbus devices which work on Serial intrface i.e RS 232 or RS 485. Normally RS 485 is used. Whereas CP 443-1 is used for the modbus devices which are accessible through Ethernet( TCP/IP) |
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