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S7-1200 Modbus Problem - communication with modscan simulator it doesnt work
Created by: faraz@6 at: 6/27/2014 3:49 PM (2 Replies)
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| 6/27/2014 3:49 PM | |
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Posts: 1 Rating:
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hii friend, I am trying to make available the data on Rs 485 port of S7-1200 having communication module CM 1241 using attached program but when i am trying to establish the communication with modscan simulator it doesnt work, message on modscan (recived invalid response to modbus query ). and status word on in communication block 16#0000 i.e no error. Need yor help. thanks in advance.
AttachmentMODBUS_RTU_Program.zip (273 Downloads) |
Last edited by: CS Moderator at: 6/30/2014 1:23 PMnew subject after splitting from /tf/WW/en/Posts/101906#top |
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| 7/3/2014 3:58 PM | |
Joined: 12/1/2009 Last visit: 2/9/2025 Posts: 672 Rating:
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Dear faraz@6, Modscan has the provision to monitor/show the traffic between the commmunication partners. If you would post us a screenshot from that traffic, thatwould help. Best Regards. |
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