ComDrvS7

The ComDrvS7 software, developed by MHJ-Software, is an essential communications library for S7-PLCs, facilitating seamless interactions between Windows applications and PLCs. The latest version, 6.27, maintains its role as a crucial tool within the Development Tools category and the IDE subcategory.

Supporting operating systems ranging from Windows XP to Windows 11, this program showcases excellent compatibility and utility, making it a versatile choice for many developers. Users can download the program with the file name Demo ComDrvS7 V6 S7-1500.exe. Previous versions, such as 6.2, also demonstrate the software’s enduring development and constant updates to meet user needs.

ComDrvS7 allows users to access, read, and write to PLCs using languages like C++, C#, or VB. Its functionality to read complete data blocks and subsequently write them into a WLD file is significantly beneficial. Additionally, the ability to switch the PLC between RUN and STOP modes and copy RAM to ROM offers users comprehensive control over their processes and systems.

Pros:

• Free to use, ensuring accessibility for all users.
• Download is straightforward and the software is easy to install.
• Wide support for various Windows versions from XP to 11.
• Enables reading and writing of complete data blocks.
• Allows switching between PLC modes and copying of RAM to ROM.
• Continued development and updates from MHJ-Software.

Cons:

• Lacks support for operating systems outside Windows.
• May require a learning curve for those not familiar with PLC communication libraries.

It is not possible to confirm if there is a free download for this software available on the developer's website. We recommend checking the downloaded files with any free antivirus.

You may want to check out more software, such as Sun Java Toolkit for CDC, MIDletPascal or Adersoft VbsEdit, which might be related to ComDrvS7.