

Please confirm that the screen you are using is the Comfort series screen. You can check the label on the back of the screen to verify the model and order number.
The common order numbers for the Comfort screens start with 6AV2124-XXXXX-XXXX.
Download Cable
Use Siemens official cables such as PC Adapter or CP cards (e.g., CP5611, CP5711) to download to the Comfort screen via Profibus.
Here we take CP5711 (Order number: 6GK1571-1AA00) as an example to explain how to download via Profibus. CP5611 connects to the 9-pin port on the bottom of the screen using MPI cable (Order number: 6ES7 901-0BF00-0AA0) or Profibus cable + DP bus connector.
Settings on the Comfort Screen
After powering on the screen, enter the Windows CE operating system, and the Start Center will automatically display. Click the “Settings” button to open the settings interface.
In “Settings”, double-click “Transfer” to open the “Transfer Settings” dialog.
In the “General” tab, set the transfer settings:
1. Select “Automatic”.
2. Choose “PROFIBUS”.
3. Click the “Properties” button for parameter settings.
Parameter settings:
1. Address: enter the operating screen address as 1.
2. Transmission rate: enter the operating screen baud rate as 1.5 Mbits/s.
3. Maximum station address: set to 31.
4. Configuration document: set to DP.
5. Click “OK” to confirm the settings.
After completing the parameter settings, close the settings interface, and click the “Transfer” button on the initial “Start Center” interface to switch the screen to transfer mode. The screen will display “Connecting to host…” indicating that the settings on the screen are complete.
Settings on the Computer
In the computer’s operating system, click the “Start” menu and open the “Control Panel” option.
In the control panel, select “Set PG/PC Interface” and double-click to open.
In the “Access Point of the Application” dropdown list, select “S7ONLINE (STEP7)”. In the “Interface Parameter Assignment Used”, select “CP5711.PROFIBUS.1”, then click the “Properties” button on the right to open the dialog.
Parameter Settings:
-
Check “PG/PC is the only master on the bus”.
-
Address: enter the address as 0.
-
Transmission rate: enter baud rate as 1.5 Mbps.
-
Maximum station address: set to 31.
-
Configuration document: select DP.
-
Click “OK” to confirm the settings.
Note: All devices on the Profibus network must maintain consistent baud rates, and station addresses must not overlap. CP5711 has network diagnostic functions. After completing the above settings, click the “OK” button, then you can click the “Diagnostics” button for network diagnostics.
Click the “Test” button. If “OK” is displayed, it indicates that CP5711 is functioning properly; click the “Read” button, and in “Bus Nodes”, you can see all nodes on the Profibus network. 0 indicates CP5711, and 1 indicates the screen, showing that Profibus communication has been established. If you cannot see the screen’s node information, possible reasons include:
1. The screen has not switched to transfer mode;
2. The Profibus communication parameters of the screen are set incorrectly; check the address and baud rate settings;
3. Cable failure;
4. Address conflicts with other devices on the network.
Parameter Settings in TIA Portal Software
In TIA Portal software, open the project file to be downloaded, double-click the device configuration, select the Comfort screen’s MPI/DP interface, in the properties window, select interface type “PROFIBUS”, address “1”, then click add new subnet.
Double-click the device and network, and select the Comfort screen’s Profibus network connection. Set the maximum Profibus address to “31” and the transmission rate to “1.5Mbps”, and the identifier to “DP”.
Download Settings in TIA Portal Software
Select the device in the project tree, click the download icon in the toolbar, or click the menu “Online” > “Download to Device”. When downloading the project to the operating screen for the first time, the “Extended Download to Device” dialog will pop up automatically.
Note: This dialog will not pop up in subsequent downloads, and the download will automatically select the previous parameter settings. If you wish to change the download parameter settings, you can open the dialog for re-setting by clicking the menu “Online > Extended Download to Device”.
Select the type of PG/PC interface as “PROFIBUS”, PG/PC interface as “CP5711”, and select the previously created subnet “PROFIBUS_1”. After completing the selection, click Start Search. The software will scan the device with this interface. If the parameter settings and hardware connections are correct, the scan will finish in a few seconds. At this point, the “Download” button will not be grayed out and can be selected. Click this button to download the project, and the download preview window will pop up automatically.
Note: If CP5711 is not properly recognized by the computer, the Profibus option cannot be selected in the PG/PC interface type. Please check the hardware connection and driver installation of CP5711.
Before downloading, the software will compile the project. Only after successful compilation can the download proceed. If compilation errors are found, please resolve the errors before trying to download again. If the project includes configuration user management and recipes, select “Overwrite All”, and then click the “Download” button to complete the project download to the operating screen.
Download Cable
You can use the internet cable we usually use in the office for the download cable, both straight-through and crossover cables (the Siemens screen’s Ethernet card has adaptive capabilities, and most computer network cards also support adaptive capabilities) are acceptable. Whether the screen is connected directly to the computer or through a switch or HUB, as long as we can ping the screen from the computer, the physical connection is normal. This is the basis for successful downloading.
Settings on the Comfort Screen
After powering on the screen, enter the Windows CE operating system, and the Start Center will automatically display. Click the “Settings” button to open the settings interface.
In “Settings”, double-click “Transfer” to open the “Transfer Settings” dialog.
In the “General” tab, set the transfer settings:
-
Select “Automatic”.
-
Select “Ethernet”.
-
Click the “Properties” button for parameter settings.
Double-click the PN_X1 network connection icon to open the network card settings dialog, assigning an IP address and subnet mask for the network card.
Enter the screen’s IP address (the address and the computer’s network card IP address used for downloading must be in the same subnet), for example, we use 192.168.0.2, with a subnet mask of 255.255.255.0 (the subnet mask must be consistent with the computer’s network card subnet mask), and other settings do not need to be specified.
After completing the parameter settings, close the settings interface, and click the “Transfer” button on the initial “Start Center” interface to switch the screen to transfer mode. The screen will display “Connecting to host…” indicating that the settings on the screen are complete.
Settings on the Computer
In the computer’s operating system, click the “Start” menu and open the “Control Panel” option.
In the control panel, select “Network and Sharing Center” and double-click to open.
Select “Change Adapter Settings”.
In the Ethernet card list, double-click the Ethernet card icon connected to the Siemens screen. The Local Area Connection properties dialog will pop up. In the list, select Internet Protocol Version 4 (TCP/IPv4) and double-click.
In the Internet Protocol Version 4 (TCP/IPv4) Properties dialog, specify the IP address and subnet mask. The IP address must be in the same subnet as the screen’s IP address. In this example, it is set to 192.168.0.210, and the subnet mask is set to 255.255.255.0. Save the settings.
Use the DOS ping command to determine if the physical connection between the computer and the screen is normal. Click the computer’s “Start Menu” – “Run” or press “Windows key + R”, and in the pop-up “Run” window, type cmd and click OK.
In the popped-up MS-DOS window, type ping followed by the IP address of the Comfort screen. If the number of lost packets is 0, it indicates that the physical connection is normal. If the number is not equal to 0, please check whether the IP addresses of the two devices are in the same subnet and replace the cable to re-execute the ping command until the lost value is 0 before proceeding to the next step.
Return to the computer control panel, select “Set PG/PC Interface” and double-click to open.
In the “Access Point of the Application” dropdown list, select “S7ONLINE (STEP7)”. In the “Interface Parameter Assignment Used”, select “TCP/IP Intel…” (choose the network card used by the computer to communicate with the screen, do not select options with the word “Auto”. In a 64-bit operating system, the network card name will have .TCPIP.1 at the end).
Parameter Settings in TIA Portal Software
In TIA Portal software, open the project file to be downloaded, double-click the device configuration, select the Comfort screen’s X1 Ethernet port in the properties window, assign IP address: 192.168.0.2, subnet mask: 255.255.255.0, then click add new subnet.
Download Settings in TIA Portal Software
Select the device in the project tree, click the download icon in the toolbar or click the menu “Online” > “Download to Device”. When downloading the project to the operating screen for the first time, the “Extended Download to Device” dialog will pop up automatically.
Note: This dialog will not pop up in subsequent downloads, and the download will automatically select the previous parameter settings. If you wish to change the download parameter settings, you can open the dialog for re-setting by clicking the menu “Online > Extended Download to Device”.
Select the type of PG/PC interface as “Ethernet”, PG/PC interface as “Ethernet”, after completing the selection, the software will scan the device with the IP address assigned in the project. If the parameter settings and hardware connections are correct, the scan will finish in a few seconds, and the “Download” button will not be grayed out and can be selected. Click this button to download the project, and the download preview window will pop up automatically.
Note: If the IP address assigned on the screen is different from the one assigned in the project, an error will occur during the download. You can select “Use Other IP” in the dialog and fill in the IP address assigned on the screen to achieve the download.
Before downloading, the software will compile the project. Only after successful compilation can the download proceed. If compilation errors are found, please resolve the errors before trying to download again. If the project includes configuration user management and recipes, select “Overwrite All”, and then click the “Download” button to complete the project download to the operating screen.
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