[Download] Step 7 MicroWIN 4.0 full download

[Download] Step 7 MicroWIN 4.0 full download-S7200 PLC Programming Software

STEP7 MicroWin V4 is the designated software used to program the Siemens S7-200 programmable logic controller. This version is compatible with all S7-200 series, incorporating the Chinese models such as Siemens CPU224CN, CPU224XP CN, and CPU226CN. The software enables smooth communication among the PLC and different modules including the EM position control module, TD200 monitor, and EM241 connection module. Pertinently, in today’s post, we (https://mkplcbd.com/) aim to depict the [Download] Step 7 MicroWIN 4.0 full download, Features of Step 7 MicroWIN SP9 Software, Supported Models of MicroWIN Software, Supported Windows of Microwin PLC software, How to Microwin PLC software free download MicroWIN, How to Install the Software Microwin software, What is the programming cable of S7200 PLC, Fix “No PC/PPI in STEP 7 MicroWin” Siemens, and Pniopcac.exe Assertion Error. How to Fix on Windows (32/64-bit).

You have some choices for programming and communicating with your S7-200 programmable device. You can either use a PC/PPI USB cable or a PC/PPI Cable connected to the RS232 port. To establish connection through RS232 port, you will require either a COM port or a cord that converts COM to USB. You can also use a PC/MPI cable for the connection.

Features of Step 7 MicroWIN SP9 Software

+The Step 7 MicroWIN SP9 Software can be used for various purposes, including automating small machines and managing complex production processes in factories.

+It allows users to easily design and implement control logic applying ready-to-use or user-defined function blocks.

+The software provides widespread runtime and diagnostic observation functions for eligible troubleshooting of the automation system.

+It offers an extensive range of programming languages, including ST, LD, and FBD.

+It has an intuitive programming interface, supports multiple programming languages, and allows for online testing and debugging.

+Users can also connect to their S7-200 series PLC using various protocols such as MPI, Ethernet, and Profibus.

Supported Models of Step 7 MicroWIN 4.0 full

MicroWIN software supports the following S7-200 series PLCs:


+CPU221, CPU222/CPU224/CPU224 CN/CPU224XP/CPU224XP CN

+CPU226/CPU226 CN/226 XM

Supported Windows of Microwin PLC software

+Windows 7

+Windows 8

+Windows 10

How to [Download] Step 7 MicroWIN 4.0 full download Microwin PLC software free download

+Step 1: Visit the Siemens Industry Online Support website at https://support.industry.siemens.com/cs/wfw/en/home

+Step 2: Click on “Product Support” in the top menu.

+Step 3: Search for “Microwin” in the search bar and press Enter.

+Step 4: Select the appropriate Microwin version from the search results.

+Step 5: Click on the “Downloads” tab.

+Step 6: Scroll down to find the available downloads for Microwin PLC software.

+Step 7: Press on the download Icon for the desired version.

+Step 8: Complete the download following the given on-screen directions.

***Please note that you may be required to have a Siemens account to access the downloads.

+++If you are looking for another option, you can go to the website (https://mkplcbd.com/) where you will find a download option on Google drive for Microwin PLC software.

How to Install the Software Microwin software?

+Step 1: Begin by downloading the Microwin software and extracting it. The extraction system needs a password, which is “mkplcbd.com”.

+Step 2: Locate the extracted files and run the setup.exe file. During this step, you will be prompted to select the language in which you want to install the software.

+Step 3: Once you have chosen the desired language, click “Next” to continue with the installation process.

+Step 4: Confirm your acceptance of the License agreement by selecting “Yes”.

+Step 5: Choose the destination location where you want the software to be installed. Then tap “Next.”

+Step 6: Allow some time for the installation process to take place. This step may vary in duration depending on the speed of your computer.

+Step 7: Once the installation is complete, a message will appear prompting you to click “OK”.

+Step 8: Finally, select “Finish” to finalize the installation process. The Microwin software is successfully installed on your computer. Now, you can proceed to open the software and begin working with PLC.

What is the programming cable of S7200 PLC?

The programming cable for the S7200 PLC is the Siemens USB/PPI Multi-Master Cable. It is used to connect the PLC to a computer for programming and communication purposes.

Fix “No PC/PPI in STEP 7 MicroWin” Siemens?

Sometimes, individuals encounter a frustrating issue where Siemens Step 7 MicroWin software fails to display the “PC/PPI cable” option, despite repeated attempts to install and reinstall the software. This problem is prevalent across various Windows operating systems such as Windows 7, Windows 10, and even the newly released Windows 11. Consequently, many users are unable to establish a connection with the S7-200 PLC, causing a considerable waste of time. In order to address this predicament promptly, mkplcbd.com is pleased to offer a file patch that effectively resolves this error.

By implementing the below steps, you should be able to fix the error and successfully display the PC/PPI in the STEP7 MicroWin Software, allowing you to seamlessly connect to the S7-200 PLC and continue your work without any further hindrances-

+Step 1: Begin by closing all Siemens software programs that are currently running on your computer.

+Step 2: Proceed to download the necessary software and then extract it using the provided password “mkplcbd.com”.

+Step 3: Run the “patch file” that is included in the downloaded software.

+Step 4: After completing the previous steps, it is important to restart your computer to ensure that the changes take effect.

+Step 5: Once your computer has restarted, you should now have access to the PC/PPI cable, which should be functioning properly.

Pniopcac.exe Assertion Error. How to Fix on Windows (32/64-bit)?

After installing “MicroWIN V4.0 SP9” on 32/64-bit of Windows 10 or other editions of Windows, users may encounter the irritating message- “Pniopcac.exe Assertion Error”. This error usually occurs when the PC is being restarted. You have to click “Ignore” twice to bypass the error message. However, the error keeps reappearing whenever you restart your PC.

Adhere to the below procedures to fix the pniopcac.exe assertion error:

1. Include “Take Ownership” in the context menu when right-clicking on Windows

+Download and obtain the “Take Ownership” tool by clicking on the link at the bottom of this content.

+Unzip the file that has been downloaded. Select “Merge” after right-clicking on the “Install Take Ownership.reg” file. In case there is any warning of file security, press the “Run” tab.

2. Resolve the error

+Access the direction: “C:\Windows\SysWOW64.”

+Choose “Take Ownership” option after right-clicking on “Pniopcac.exe” file.

+”Pniopcac.exe” file must be renamed. So, change the name of this file to “Pniopcac-backup.exe”

+The error is fixed. Then Restart your PC & check the error.


After reading this information, we expect that you have learned how to successfully download and install the Microwin software. If you encounter any issues, such as a broken download link or problems with the installation process, please leave a comment below the article so that we can address and fix the error. Thank you and have a great day!

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