Snap7 Discussion

32/64 bit multi-platform Ethernet S7 PLC communication suite

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Bugs reporting

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BlockInfo not correct Code and Interface timestamps By Benjamin Prömmer on Fri Mar 27, 2015 01:02 PM	6	971	By Anandhakumar Palanisamy on Fri Jun 13, 2025 10:01 AM
Compiler Warning - x86_64_linux By f. b. on Tue Mar 08, 2022 11:11 AM	2	211	By Rémi Thebault on Sat Nov 23, 2024 08:13 AM
S7_IsoTCP : isoExchangeBuffer : PDU Sequence number should be checked... By Rousseau on Fri Oct 12, 2018 07:55 AM	3	977	By Reyan on Fri Jul 05, 2024 11:09 PM
HELHOLZ NETLink PRO Compact By Marco Bartoli on Fri May 24, 2024 10:59 AM	1	263	By Marco Bartoli on Fri May 24, 2024 10:59 AM
Add support for DESTDIR By Gijs Molenaar on Thu May 02, 2024 01:44 PM	1	212	By Gijs Molenaar on Thu May 02, 2024 01:44 PM
fix wrong paths in plain-c demo By Gijs Molenaar on Thu May 02, 2024 01:42 PM	1	167	By Gijs Molenaar on Thu May 02, 2024 01:42 PM
Fix some typos By Gijs Molenaar on Thu May 02, 2024 01:41 PM	1	180	By Gijs Molenaar on Thu May 02, 2024 01:41 PM
Add missing references to LDFLAGS and CPPFLAGS By Gijs Molenaar on Thu May 02, 2024 01:39 PM	1	166	By Gijs Molenaar on Thu May 02, 2024 01:39 PM
Performance Discrepancy Between Windows IOT LTSC 2019 and LTSC 2021 V... By Michele Bridi on Fri Jan 26, 2024 01:32 PM	1	158	By Michele Bridi on Fri Jan 26, 2024 01:32 PM
Why does a BigInt of 023 appear when I use a PC to read the C or T se... By dlyc on Tue Jan 09, 2024 09:52 AM	2	151	By dlyc on Tue Jan 09, 2024 09:56 AM
using namespace std; in s7_partner.h causes issues with std::byte By Matthieu Penant on Thu Aug 17, 2023 03:49 PM	1	353	By Matthieu Penant on Thu Aug 17, 2023 03:49 PM
Association of responses with wrong request By Jojakim Stahl on Fri Jul 07, 2023 12:15 PM	1	159	By Jojakim Stahl on Fri Jul 07, 2023 12:15 PM
Sharp7 Sometomes Not correct buffer get ? By Şahin AKIN on Sun May 14, 2023 07:40 AM	1	137	By Şahin AKIN on Sun May 14, 2023 07:40 AM
Memory Corruption when Uploading large DB By Johannes Alef on Tue Sep 20, 2022 08:24 AM	1	238	By Johannes Alef on Tue Sep 20, 2022 08:24 AM
Cannot compile on 64-bit Raspbian OS By Paulius on Mon Aug 08, 2022 03:23 PM	2	523	By Davide Nardella on Tue Aug 09, 2022 12:00 PM
Security Weaknesses in the Static Code Analysis Scan of the Library By Marius-Florin Cristian on Mon Mar 14, 2022 12:45 PM	5	400	By Marius-Florin Cristian on Sun Jul 03, 2022 06:13 AM
HELPER DATA ACCESS FUNCTIONS By Ярослав on Tue Dec 21, 2021 06:32 PM	1	235	By Ярослав on Tue Dec 21, 2021 06:32 PM
Snap7Server example By amigo ivan on Wed Jun 30, 2021 08:45 AM	1	440	By amigo ivan on Wed Jun 30, 2021 08:45 AM
Unexpected behavior from ReadArea function By Felipe C on Fri Jun 05, 2020 10:18 PM	7	1325	By Felipe C on Tue Mar 30, 2021 08:19 PM
LabVIEW Snap7 server object memory allocation By Felipe C on Tue Mar 23, 2021 09:30 PM	1	280	By Felipe C on Tue Mar 23, 2021 09:30 PM
OSError: [WinError 193] %1 is not a valid Win32 application By Can Ozensoy on Thu Aug 13, 2020 10:49 AM	2	1855	By Ali Karbasi on Mon Mar 15, 2021 11:19 PM
Function DBRead returns sometimes very huge value By Marco Hof on Mon Nov 30, 2020 04:16 PM	1	587	By Marco Hof on Mon Nov 30, 2020 04:16 PM
Snap7: Exception: CLI : function refused by CPU after TIA PORTAL update By GloriaG on Thu Nov 19, 2020 04:15 PM	7	1322	By GloriaG on Fri Nov 20, 2020 10:21 AM
sharp7 : start / stop PLC and get date/time doesn't work By steven noppe on Wed Sep 16, 2020 07:05 PM	3	1080	By steven noppe on Wed Sep 16, 2020 07:25 PM
Sharp7 GetCpInfo error By Christoph Fankhauser on Tue Aug 27, 2019 10:33 AM	2	1079	By steven noppe on Wed Sep 16, 2020 07:20 PM

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