Connect S7-200 PLC to WinCC Flexible on Windows 10 – New way

How to connect S7 200 PLC to WinCC Flexible 2008 SP5 on Windows 10. This post 365EVN will show you detail of the step to do it.

Connect S7 200 PLC to Wincc Flexible 2008 SP5

How to Connect S7-200 PLC to WinCC Flexible on Windows 10? Last time, we guided connected S7-200 PLC to WinCC Flexible 2008 SP5 using S7-200 PC Access on Windows 7. However, on Windows 10 (x64) we have some issues with the S7-200 PC Access and cannot connect it.

This post, 365EVN shows you the step to connect PLC S7 200 to WinCC Flexible 2008 SP5 (Upd 2) on Windows 10 (x64) using KEPServerEX 6.

Connect S7-200 PLC to WinCC Flexible – What’s you need?


  • S7-200 PLC. We used an S7-200 PLC CPU 224 XP CN
  • PC/PPI cable (COM type)
  • A PC (laptop) with Windows 10 (32 bits or 64 bits). We used Windows 10 x64 Version 21H2.


  • WinCC Flexible 2008 SP5
  • Step 7 Micro/WIN V4.0 SP9
  • KEPServerEX 6

All software you can download on the “Download center” of 365EVN.

The steps connect PLC S7 200 to WinCC Flexible

On Step 7 MicroWIN V4.0 SP9 – PLC programming software

  • Open the software, and create a project.
  • Compile the project and download the project to PLC

You can refer to the previous post or video to do it. We guided all in detail.

Connect PLC S7 200 to KEPServerEX 6

In this step, we make a connection between S7 200 PLC and KEPServerEX 6. We connect through PC/PPI Cable.

  • Open KEPServerEX 6, and add a channel with “S7-200″. We need to set”COM ID”, and “Baud Rate” get from S7-200 PLC.
  • Add a device to the channel with the PLC address.
  • Add the symbol table (tags) from Step 7 MicroWIN to KEPServer 6. We used a way help you to save time for that by using import and export functions on KEPServerEX.
  • Check the connection by checking the value of tags on Step 7 software and KepServerEX
S7-200 connect to Wincc flexible

Connect S7 200 to WinCC Flexible 2008 SP5

  • Open “WinCC Flexible 2008 SP5”, and add a new project with the device “Wincc flexible runtime”
  • Add a “Connection” with the “Communication driver” as “OPC” and select “OPC server name” as “KepwareKEPServerEXV6”.
  • Add tags to Wincc flexible by selecting the symbol from KEPServerEX
Add S7-200 tags on KEPServer 6 to WinCC Flexible

  • Programming the interface on WinCC flexible
  • Runtime and check
WinCC Flexible runtime and S7 200 PLC
  • For more detail on the steps, you can watch the below video

Guide video Wincc Flexible 2008 SP5 connect PLC S7 200

Guide video Wincc Flexible 2008 SP5 connect PLC S7 200
  • If you can not watch the video above, you can watch it on my Youtube channel – Link or my video area.


With this post, we guided the step to connect S7-200 PLC to WinCC Flexible Runtime 2008 SP5. If you have any questions, comment below or on the 365EVN Facebook group.

-365evn, refer Siemens

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