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Archived Message
December 15th, 2009, 07:59 AM
Dear friends:

One of our customers is currently using S7-300 PLCs with WinCC. As he is not satisfied with WinCC but doesnt plan to replace the PLCs in the near term, he as contacted us regarding Vijeo Citect. He is very interested but there is an obstacle I need your help to overcome. There is a high integration of WinCC with Step 7 simulator (pretty much like ours between Vijeo Citect and UnityPro).

Please let me now how Step 7 simulator can be used with Vijeo Citect. The real PLCs are connected to WinCC by means of a MPI board.

Thank you.

Diego Romero
Schneider Electric * | *International Operating Division * | * HMI & SCADA Product Manager

Archived Message
December 15th, 2009, 10:57 AM
Hi Diego,

You could consider leaving WinCC as it is and demote it to being an OPC Server.
CitectSCADA can communicate with WinCC as an OPC client.

Kind regards,
Rutger Jongkind
Koning & Hartman

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Archived Message
December 16th, 2009, 07:50 AM
Hi Diego,

I sometimes use S7-PLCSIM to test code on CitectSCADA.
Regardless of whether your physical hardware is MPI, DP or TCP/IP you can use NetToPLCSim to operate between a simulated S7-300/400 PLC and Citect via an OPC Server.
When you run CitectSCADA to connect to S7-PLCSIM the tags will have to use a different IO Device using the PSDIRECT or OPC protocol.
For a more detail you may email me at hvorster@csr.com.au

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-S7-PLCSIM -
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-NetToPLCSim-
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-OPC Server -
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-or -
-Proscada) -
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-CitectSCADA-
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Hennie Vorster
NZSugar

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