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Modbus Communication Help

Created by: YogendraK at: 8/8/2014 1:54 PM (3 Replies)

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8/8/2014 1:54 PM	Rate (0)
YogendraK Silver Member Joined: 11/9/2008 Last visit: 3/16/2021 Posts: 391 Rating: (5)	Hi All, I need help regarding Modbus communication on S7-1500. I have CPU 1511-1 PN (6ES75111AK000AB0). For this CPU only one PN port is available. Now I Want connect HMI, Remote IO'S and Modbus communication with DCS. I have following query. Please help me. 1. Whether only one port will support all this Function?? or I need to buy another communication card. 2. If only one port support all this function then will affect performace of commuincation. Waiting for your reply. Regards, Yogendra G

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8/8/2014 6:36 PM	Rate (0)
Denilson Pegaia Platinum Expert Joined: 9/23/2005 Last visit: 4/16/2021 Posts: 3911 Rating: (1166)	Hi, the CPU port can support S7-connections, Modbus connections, TCP/IP, PROFINET, etc. The limit is the CPU capacity to output data. For common (and simple application), there is no problem.
	Denilson Pegaia Siemens Industry Sector Technical Support
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8/11/2014 9:40 AM	Rate (0)
YogendraK Silver Member Joined: 11/9/2008 Last visit: 3/16/2021 Posts: 391 Rating: (5)	Hi Pegaia, Thanks for your help to understand communication with S-1500. Regards, Yogendra G

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8/11/2014 12:40 PM	Rate (0)
Denilson Pegaia Platinum Expert Joined: 9/23/2005 Last visit: 4/16/2021 Posts: 3911 Rating: (1166)	You are wellcome :)
	Denilson Pegaia Siemens Industry Sector Technical Support
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