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Entry type: FAQ Entry ID: 23787153, Entry date: 04/01/2011

How can you transfer a WinCC flexible project serially to a panel?

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For the serial transfer of a WinCC flexible configuration you must make settings on the panel and in WinCC flexible.

There are four different cables with which you can make a serial project transfer:

  • Zero modem cable
  • USB host-to-host cable
  • RS232/PPI multimaster cable
  • USB/PPI multimaster cable (released as from "E-Stand 05" and WinCC flexible 2005 SP1)


  • With Micro Panels you can transfer a project only via a PPI multimaster cable.
  • Please refer to the relevant manual of each operator panel or Entry ID: 19109408 for information on which cable can be used for which panel.
  • If you wish to integrate your configuration PC in an existing PPI network, for example, you must transfer the network parameters. Please note that the node address of the PC in the network must be unique.

Settings on the operator panel
The figures below are from the TP177micro and MP370, because not all serial transfer options are possible with each panel. The illustrations might differ from operator panel to operator panel, because not all the functions are available for each operator panel.

No. Procedure

Settings on the panel
Depending on the cable you are using you must use the relevant channel on the panel.



Channel Connection type
A RS232/PPI multimaster cable 1


B USB/PPI multimaster cable
C Zero modem cable
D USB host-to-host cable 2
Table 01

Micro Panels do not support project transfer via USB host-to-host cable or zero modem cable.


Versions A, B, C - multimaster cable and zero modem cable

Settings in "Control Panel"
If you wish to transfer a project using a USB host-to-host cable, you can skip this point and go directly to Point 2b.

In the case of some operator panels (e.g. TP170micro) the "Transfer" menu is not in the Control Panel. If this is the case, you can also skip this point and go straight to Transfer mode (Point 3).

Open the Transfer dialog in the "Control Panel".

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Fig. 01 - Control Panel

When using a multimaster cable or zero modem cable, Channel 1 must be enabled for the transfer. If available (not with TP177micro), you can also enable the "Remote Control" option for Channel 1.

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Fig. 02 - Transfer Settings

The "Remote Control" option permits automatic termination of Runtime on the panel when transfer is triggered via the development environment of WinCC flexible. The panel then automatically switches to Transfer mode.


Version D - USB host-to-host cable

Settings in "Control Panel"
If you are using a multimaster cable or zero modem cable, you can skip this point and go directly to Point 3.

A special driver is needed for transfer with a USB host-to-host cable. This driver is on the WinCC flexible Installation CD under "CD2 or CD3 > Support > DeviceDriver > USB > Win2000 or WinXP". More information on how to install the driver, for example, is available in Entry ID 19142034.

Open the Transfer dialog in the "Control Panel".

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Fig. 03 - Control Panel

Transfer with the USB host-to-host cable is enabled in Channel 2. For Channel 2 you select the entry "USB". For Channel 2 you also set a check mark for "Enable Channel" and if you wish, "Remote Control".

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Fig. 04 - Transfer Settings (MP370)


  • The "Remote Control" option permits automatic termination of Runtime on the panel when transfer is triggered via the development environment of WinCC flexible. The panel then automatically switches to Transfer mode.
  • Channel 2 is not available on some panels. More information is available in the relevant operator panel manuals.

Close "Control Panel"

  • Close the open dialog with "OK".
  • Also close the "Control Panel".
  • Switch to Transfer mode.

Settings on the configuration PC
For serial project transfer between panel and configuration computer you only have to make settings in WinCC flexible. You do not have to make any settings on the "PG/PC interface" for project transfer.

In the case of access from a configuration computer via STEP 7 Micro/WIN to an S7-200 via PPI, for example, you must select the relevant adapter, e.g. "CP5512(PPI)" in the "PG/PC interface".

Settings in WinCC flexible

As an option you can also integrate the WinCC flexible project into a STEP 7 project. In the case of systems that are to communicate with an S7-200 CPU, you need STEP 7 Micro/WIN in addition.

No. Procedure
1 Create connections
  • In the project tree structure under "Communication" you select the "Connections" tab.
  • In WinCC flexible you insert a new connection in the menu under "Insert > New Object - Connection". Alternatively you can double-click an empty field in the table in the "Connections" tab and create a new connection.

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Fig. 05 - Connections

Version A - Non-integrated project

Define parameters
If you have created an integrated WinCC flexible project or would like to integrate it into STEP 7, you can go directly to Point 2b. You cannot integrate Micro Panels into STEP 7.

Select the relevant communication driver and define the interface and the network parameters you wish to use. Once you have transferred the configuration using a zero modem cable, for example, the connection(s) configured, e.g. MPI or Ethernet is(are) transferred.

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Fig. 06 - Connection parameters

Since Micro Panels can only communicate with an S7-200 CPU and only have an RS485 interface, the only network profiles available are MPI, PROFIBUS and PPI. For which panels have which interfaces and communication options please refer to the operator panel manuals concerned. You can only configure the communication options that the operator panel selected supports.

When you terminate the WinCC flexible Runtime and switch to Transfer mode, you can transfer the configuration at any time to the panel again as long as the transfer settings on the panel have not been changed.


Version B - Integrated project

Define the station
If you are not using an integrated project, you can skip this section and go to Point 3. You cannot integrate Micro Panels into STEP 7.

If you have not already inserted the project in the SIMATIC Manager, you can do this via the menu "Project > Integrate in STEP 7..." of WinCC flexible.

  • Open NetPro in the SIMATIC Manager. Alternatively you can also open the Hardware Configuration of the HMI operator panel.

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Fig. 07 - Open NetPro

Regardless of the cable and transfer method you wish to use for project transfer, in NetPro and in WinCC flexible you can configure any connection to the SIMATIC station that is possible with the operator panel concerned and the SIMATIC station(s) used.

The following example takes an MPI connection to the controller.

  • In the NetPro dialog (Fig. 08) you double-click the HMI MPI/DP interface of the "SIMATIC HMI Station(1)".
  • Click on the "Properties..." button in the Properties dialog window of the HMI MPI/DP interface.
  • Mark the MPI(1) subnet of the HMI station then click "OK".

    You can use the "New..." button to add more subnets. Make sure here that the operator panel and the associated SIMATIC station are in the same subnet or are connected via a routing-compatible station (only possible with MPI and PROFIBUS) - see also Entry ID 22255588.

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Fig. 08 - Connect station
  • Close the dialog window with "OK".
  • Save and compile your configuration via the menu "Network > Save and compile...".
  • Where applicable, transfer your changed hardware configuration to all the relevant SIMATIC stations and terminate NetPro.
  • Via the corresponding subnet you select the station with which the operator panel is to communicate.

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Fig. 09 - Select station


Project transfer
  • Open the dialog window under "Project > Transfer > Transfer Settings...". Alternatively you can also open the transfer settings via the toolbar (1).
  • In the "Transfer Settings" dialog you select the relevant operator panel (2) - only necessary in the case of multiple operator panels.
  • Select the desired Transfer mode (see Table 02). In the case of the Transfer mode "Serial" you must also define the COM interface and the baud rate.

    For the possible transfer options please refer to the relevant manual or Entry ID: 19109408.
  • With the "Transfer" button (4) you can now transfer your configuration to the panel.

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Fig. 10 - Project transfer

If project transfer is not possible with WinCC flexible, then check the following points:

  • Physical connection between configuration PC and operator panel (replace cable if necessary).
  • Zero setting of the fifth DIP switch (PPI/Freeport) when using an RS232/PPI multimaster cable.
  • Installation of the correct USB driver when using the USB host-to-host cable.
  • Check the transfer settings - available on the operator panel - in "Control Panel > Transfer-Settings".
  • Enable the Transfer mode on the operator panel (only if "Remote Control" is deselected).
  • Compatibility between the installed Image version of the operator panel and the version of WinCC flexible used.
  • Use of the correct Transfer mode in WinCC flexible (see Fig. 10 and Table 02).
No. Cable

Transfer mode

1 USB host-to-host cable USB
2 USB/PPI multimaster cable Serial (via USB PPI cable)
3 RS232/PPI multimaster cable Serial
4 Zero modem cable
Table 02

If you do not want to transfer yet, you can save the settings with "Apply". With the first transfer of the project to an operator panel you should disable the "Delta transfer" and enable the "Overwrite password list" option.

After transfer the panel adopts the parameters set in the "Connections" tab.


Settings on the USB/PPI multimaster cable:
The USB/PPI multimaster cable ("E-Stand 05") doesn't have any DIP switches and can be used for project transfer as from WinCC flexible 2005 SP1.

Settings on the RS232/PPI multimaster cable:


DIP switch

RS232/PPI multimaster cable

For project transfer you must set the fifth DIP switch to the ZERO position (PPI/Freeport). All other DIP switches are not relevant for project transfer to an operator panel.

You do not have to set the baud rate on the multimaster cable for project transfer.

The DIP switch settings are marked with 0 and 1 on the cable housing.

Fig. 11 - DIP switches

More information is available in the following entries.

Topic Entry
Project transfer (released cables,...) Entry ID 19109408
Communication between SIMATIC station and panel in the following manuals:
"WinCC flexible 2005 Communication Part 1"
"WinCC flexible 2005 Communication Part 2"
Entry ID: 18797552
Entry ID: 18797249
Recommended cables (USB host-to-host cables) Entry ID: 19142034
Installing USB drivers Entry ID: 19142034
OS update (serial) Entry ID: 19701610

Micro, OP, RS232, RS485, USB, HMI