9/7/2019 10:58 PM | |
Joined: 11/12/2015 Last visit: 3/27/2024 Posts: 13 Rating: (0) |
Dear Expert, Good evening Firsly I'm new to program siemens, and also data transfer. Two years ago I write a program and I remember that it was working, but now I couldn't run get the data from RS485. This device is a card reader and I try to get card ID where the card over the reader. I get some code but every time it changes. normally I use same card and I need to get same code but I couldnt get. I use S7 1500 Plc and CM PtP rs422/485 BA . I use freeport, and only I try to receive card Id, Device I adress is 500... 507 and When I check ID504 as DWord, I get some data but it is always changing. Genarally I coulnd't get any data to buffer adress. Please inform me what I can do abouth this problem. Best Regards Harun YILDIRIM ------------------------------------------------------------------------------------------ Attachmentpicture.zip (27 Downloads) |
Last edited by: Jen_Moderator at: 09/09/2019 12:01:21New subject after splitting |
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9/9/2019 1:01 PM | |
Joined: 6/19/2017 Last visit: 9/6/2024 Posts: 8175 Rating: (172) |
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