These may contain malware, lack updates, violate copyright, and won’t receive Siemens support.
Trial version: Siemens no longer offers a trial for V7. Use V8 demo instead (30 days free).
Siemens offers a free, fully functional 30-day trial. This is perfect for students, hobbyists, or engineers testing compatibility.
If the Siemens support portal is down, use these authorized mirrors:
Avoid: CNET, Softonic, or "Brothersoft." These wrap installers in adware.
If you are upgrading from V6 or V8.2, you must know this: V7 saves projects with a .lsc7 extension, while older versions used .lsc. While V7 can open old files, V6 cannot open V7 files.
How to migrate safely:
Look for the entry:
LOGO! Soft Comfort V7.0 – Engineering software for LOGO! 8
Last updated: 2025 – Note that Siemens continuously updates its software lifecycle. For new projects, consider LOGO! Soft Comfort V9.
Siemens LOGO! Soft Comfort V7 is a legacy version of the intuitive engineering software used to program LOGO! logic modules. While newer versions like V8.4 are currently the standard, V7 remains essential for users maintaining older 0BA7 series hardware or those needing a lightweight, Java-based programming environment. Downloading LOGO! Soft Comfort V7
Finding an official "full version" download for V7 is restricted because the software is a licensed product. Siemens typically distributes full versions via physical media (CD-ROM) rather than direct digital downloads.
Official Upgrades: If you already own a legal copy of an older version (like V6), you can download free upgrades to V7 and beyond through the Siemens Industry Online Support (SIOS) Portal. Siemens Logo Soft Comfort V7 Download
Demo Version: A free demo of the latest LOGO! Soft Comfort is available on the Siemens Website. While the demo allows for full programming and simulation, it cannot upload or download programs to a physical PLC.
Purchasing: New licenses for the latest version, which include the rights to use older versions, are available through authorized distributors like RS Components or Mouser Electronics. Key Features of Version 7.0
Version 7 introduced significant capabilities specifically for the 0BA7 series modules: LOGO! soft comfort Version 7 - SiePortal - Siemens
Siemens LOGO! Soft Comfort V7 is the legacy engineering software used to program and configure Siemens LOGO! logic modules, specifically optimized for older generations like the 0BA0 through 0BA7 series. How to Access and Download V7
Finding an official "free" download for the full version of V7 is difficult because the software is a licensed product.
Official Upgrade Path: If you already own a licensed version of LOGO! Soft Comfort (even an older one), you can download free updates and upgrades to the latest version (currently V8.4) via the Siemens Web Page.
Demo Version: A demo version is available for free, which allows you to learn the interface and simulate programs but lacks the ability to download programs to a physical PLC.
Legacy Media: V7 was originally distributed via DVD (Part Number: 6ED1058-0BA02-0YA1). If you have the original disc, you can run the LOGOComfort.exe directly from the DVD on older Windows systems without a full installation. Core Features of Version 7
V7 introduced several key enhancements over previous versions:
Increased Capacity: Block limits were doubled from 200 to 400, and RAM was increased from 3800 to 8400 bytes.
Ethernet Support: Fully compatible with the 0BA7 series, supporting Ethernet communication for faster program transfers and online testing.
Enhanced Programming: Added shift registers (up to 4), expanded analog flags (from 6 to 16), and introduced LAN time synchronization. These may contain malware, lack updates, violate copyright,
User Interface: Improved with better object alignment, text wrapping for comments, and a configurable zoom factor in print preview. System Compatibility
V7 is designed for legacy environments and may require specific configurations to run on modern hardware. Logo v7 upgrade to v8 - SiePortal - Siemens
LOGO! Soft Comfort V7 is a powerful engineering software used to program and simulate Siemens LOGO! logic modules. While it was a landmark release for the 0BA7 generation
, it has largely been superseded by newer versions like V8.4. Essential Download & Installation Facts No Direct "Full" Download
: Siemens does not offer a standalone "full version" download for V7 or any newer version. To get the full software, you must originally purchase the DVD license 6ED1058-0BA02-0YA1 Upgrading is Free
: If you already own any legal version (even an older one), you can download the latest updates and upgrades for free from the Siemens Industry Online Support Demo Version
: A free demo version is available for training. It allows full programming and simulation on your PC but cannot download programs to a physical PLC V7.1.5 Update : The final stable update for the V7 series is , which is required to support hardware like the Siemens SiePortal Key Features of Version 7
V7 introduced several major improvements that made small-scale automation more flexible: LOGO! SOFT COMFORT V7 - 6ED1058-0BA02-0YA1 - Support
Drafting a guide for downloading and installing Siemens LOGO! Soft Comfort V7 requires understanding that this version is considered legacy software. Siemens primarily offers upgrades or demo versions through their official portal, rather than direct standalone downloads of old full versions. Download and Installation Guide: LOGO! Soft Comfort V7 1. Determine Your Version Needs
Before starting, identify which version you need. Siemens classifies their software into three types:
Full Version: Requires a license (usually on a DVD) or a previously installed legal version.
Upgrade: Available for free if you already have a full version of any previous version (e.g., V6) installed. Trial version: Siemens no longer offers a trial for V7
Demo Version: Free to download but cannot communicate with a physical PLC. It is used strictly for offline programming and simulation. 2. Official Download Process
Siemens does not typically provide a direct "Full Version" download for V7 without an existing license. To get the official software:
Visit the Siemens SiePortal: Navigate to the Siemens Industry Online Support (SIOS) page for LOGO! Soft Comfort Registration: You must register for a Siemens account and log in to access download links.
Search for Upgrades: If you have a license, look for the "Upgrade" or "Service Pack" entries for
. If you are looking for the latest trial, look for the Demo Software section. 3. Installation Steps
Step 1: Extract Files: The download is usually a .zip file. Extract it to a local folder.
Step 2: Choose Your OS: Inside the folder, you will find subfolders for Windows (32 or 64 bit), Linux, and Mac OS. Step 3: Run Setup:
Right-click Setup.exe (or the equivalent installer) and select Run as Administrator.
Follow the prompts: select your language, accept the license agreement, and choose the installation directory.
Step 4: Driver Installation: During the process, you may be prompted to install USB PC-cable drivers. If you plan to connect to a physical PLC, accept this prompt. 4. Upgrading to Newer Versions
If your hardware supports it, Siemens recommends using newer versions like V8.4 or V9, as they offer full backward compatibility with
LOGO! Software – Intuitive PLC Configuration Tools - Siemens
Siemens LOGO! Soft Comfort V7 is the programming and simulation software for the LOGO! series of Siemens logic modules (compact PLCs). Version 7 introduced an improved graphical function block editor, simulation, diagnostics, online/offline programming, and support for newer LOGO! hardware and firmware versions.
Even engineers at Siemens admit the installation isn't always plug-and-play. Here are the top 3 errors for the Siemens LOGO! Soft Comfort V7 download.