I do have a multiproject and i need to save same values from different CPU's DB's to an excel file with a sample speed of 100ms tops.
Can you send me a link or show me the way to do it?
With Kind Regards,
Re: Fast Datalogger Programme for S7-3XX series
Posted: Mon May 19, 2014 9:48 pm
by SHKODRAN
Hi,
you can use ComDrvS7 V6 read /write data from to plc throught the excel file.
Try it here , the sample code is included.
With examples for Visual Basic 2006, Visual Basic .NET, VC++, C#, Excel, Embarcadero…
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You can use ComDrvS7 to enable your windows program, written in C++, C#, VB, Delphi..., to access (read/write) the PLC.
С примерами / With examples for Visual Basic 2006, Visual Basic .NET, VC++, C#, Excel, Embarcadero C++, Delphi
Available as a 32/64-Bit-Windows-Dynamic Link Library (DLL) and as .NET Assembly
Can be used with 32/64-Bit-Windows Applictions on Windows XP, Windows Vista (32/64 Bit), Windows7 (32/64 Bit), Windows8 (32/64)
Without any other drivers you can connect to a LOGO! or S7-PLCs device
ReadMix-Function: Read different addresses with optimizations with one function call
WriteMix-Function: Write different addresses with optimizations with one function call
Connect to several PLCs at the same time
Functions for S7-1200, S7-1500:
Read and write inputs / Читать и писать входа
Read and write outputs / Читать и писать выхода
Read and write flags (bit memory) / Читать и писать меркеры памяти - биты, байты, слова, двойные слова
Read and write data blocks DB (addresses). This is only possible if the data block not_created with the option "only via symbolic addressable" configured in TIA Portal
Читать и писать блоки данных DB - в ТИА Портал в свойствах у блоков данных DB должна быть погашена Галочка "only via symbolic addressable"