One experienced user confirmed: “I had no problem importing it into PME version 7. And yes, the communications driver in PME is compatible with 64-bit OS. The oldest version of PME to be compatible with Windows 10 was version 9.5.”
LM90 talks via Serial RS-232. Modern laptops use USB. If you download the zip, install the software, and plug in a USB-to-Serial converter, you may still fail. Modern converters often use chipsets (like FTDI or Prolific) that legacy DOS software cannot address directly. You may need to configure virtual COM ports, a technical headache that the software was never designed to handle.
Set up a Virtual Machine (VM) running or FreeDOS .
on file-sharing sites like 4shared for use on Windows XP systems, though these are not official GE sources and should be used with caution regarding safety and licensing. Installation & System Requirements
Maintaining older manufacturing systems requires specific tools. The exact ZIP packages widely circulated online (often archived as LM90_XP.zip ) allow you to bridge the gap between retro hardware and modern computers. logic master lm90 software download zip 2021
Guide to Logicmaster LM90 Software Downloads Logicmaster 90 (LM90) remains a critical programming software for legacy GE Fanuc Series 90-30 and 90-20 Series Programmable Logic Controllers (PLCs). Despite its age, many industrial facilities still require this MS-DOS-based software to maintain, troubleshoot, and back up existing automation systems.
Legal/ethical note
If you want, I can search for available downloads and check whether an official LM90 2021 ZIP is still hosted online.
: If using 32-bit Windows 10, navigate to the Control Panel, select Turn Windows Features On or Off , and ensure NTVDM (NT Virtual DOS Machine) is fully checked. One experienced user confirmed: “I had no problem
In 2021, an automation engineer named Elias faced a silent crisis. A critical conveyor system at a decades-old manufacturing plant had ground to a halt. The culprit was a , a reliable workhorse from the 1990s that had finally glitched.
Because LM90 is proprietary, official downloads are typically restricted to authorized distributors or users with existing licenses. However, several community and support sites host files for legacy maintenance:
While powerful in its day, LM90 is now considered "end-of-life" software, having been replaced by Windows-based platforms like Proficy Machine Edition. Logic Master LM90 Software Download Zip 2021: Where to Look
When purchasing, explicitly ask: “Is this the LM90 ZIP from approximately 2021 and tested on Windows 10?” Modern laptops use USB
If you are attempting to download a "2021 zip" version from a third-party site, be cautious:
If you receive this error after downloading a program, it indicates that a module physically present in the PLC rack is missing from the hardware configuration file within LM90. The fix is to enter the , navigate to I/O Configuration (F1), and ensure every physical slot has a defined module.
Legacy versions, such as Version 6.50 , can sometimes be found on historical archives like Internet Archive . Community members on forums like PLCTalk occasionally share zip files via private message to assist with maintenance. Technical Compatibility