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7rots51
Joined: 17 May 2002
Posts: 1427
Helped: 14
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 26 May 2005 12:48 s7 ppi ocx |
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Hi
How we can interface (in delphi) with the S7-200 PLCs (read inputs and outputs ,....)?
Can we develop modbus in PLC on the DP Ports?How?
Thank you
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Moof
Joined: 21 Nov 2003
Posts: 154
Helped: 6
Location: Argentina
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26 May 2005 19:00 siemens s7 plc <-> delphi |
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I think that you should find, first of all, an OPC server. Then, you can program your application, scada, datalogger, etc with a OPC client.
If you need information for OPC : www.opc.org
If you want to access to all the PLC memory, you need a interface who can support s7 protocol.
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7rots51
Joined: 17 May 2002
Posts: 1427
Helped: 14
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26 May 2005 21:10 opc server s7 delphi |
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OPC is a good choice,Where I can find the opc sever for s7-200 and 300?
Is there a delphi component for interfacing to S7-PLC ?
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26 May 2005 21:10 Ads |
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Cluricaun
Joined: 28 Sep 2001
Posts: 704
Helped: 13
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26 May 2005 21:27 opc delphi s7 200 |
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Hi
I agree about the OPC server but not the link, I get to this place:
Orthodox Presbyterian Church (OPC) perhaps usefull to some but not when dealing with Siemens.
http://www.opcconnect.com/freesrv.php
Cl
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Moof
Joined: 21 Nov 2003
Posts: 154
Helped: 6
Location: Argentina
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28 May 2005 17:38 komunikacja delphi s7-200 |
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| There are a lot of OPC servers. Siemens has all in "Simatic net" Cd. Im using it with an ethernet, but i used it with Profibus DP network, but with Visual C++ and Visual Basic. Simatic net cames with a OCX, if you can use OCX with Delphi, you are done. Apart from that, you can use National Instrumens Datasocket, is a OPC client too.
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Carsten
Joined: 22 Jun 2005
Posts: 1
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22 Jun 2005 16:48 delphi s7-200 |
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Hi,
you will find Borland Delphi Interfaces for SIMATIC NET at
www.SoftwareOption.de (link -> "Produkte", then switch to english text).
There you can download trial versions directly.
Carsten
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