(which acquired GE Fanuc assets) or authorized distributors for legacy support. Modern Alternatives: GE's current programming platform is Proficy Machine Edition (PME) . It is highly recommended to import existing Logicmaster projects into Proficy ME
Logicmaster 90 is no longer available as a direct download from Emerson (who acquired GE Fanuc’s PLC line).
Legacy software downloaded from third-party repositories must be scanned for malware before installation. Ensure the download contains standard files such as INSTALL.EXE or SETUP.EXE and matches historic file sizes typical of 1.44MB floppy disk distributions. System Requirements and Compatibility Challenges
Always scan downloaded archives with up-to-date antivirus software before extraction. Step-by-Step Installation Guide Step 1: Prepare the Installation Files
Launch DOSBox and mount your local directory as a virtual drive by typing: mount c c:\plc\lm90 Use code with caution. Logicmaster 90-30 V9.05 Software Download
GE Fanuc Logicmaster 9.05 is copyrighted software belonging to General Electric and Fanuc Ltd., whose rights have since transferred to Emerson. Under the Copyright Act, distributing copyrighted material without permission constitutes copyright infringement, a civil wrong that can lead to legal liability. Additionally, installing unverified software from third-party sources—often modified with cracks or keygens to bypass licensing—poses serious risks of malware infection, including worms and ransomware, that could compromise your entire network.
: On 64-bit Windows 10 or 11, you must use a virtual machine (like VMware ) running a 32-bit OS or a DOS emulator like DOSBox .
Logicmaster 90-30 is the original programming software developed by GE Fanuc for the Series 90-30 Programmable Logic Controller family. Version 9.05 represents one of the final and most stable iterations of the software before the transition to Windows-native platforms.
: Ensure the software is installed in a folder with a short name (8 characters or fewer, e.g., C:\LM90 ) to maintain DOS compatibility. (which acquired GE Fanuc assets) or authorized distributors
Follow the MS-DOS text prompts to complete the installation. By default, the software installs to C:\LM90 . Method B: Installing via Virtual Machine
Choose your serial communications port (COM1 or COM2) during the setup wizard. Establishing PLC Communications
It was a Series 90-30 PLC rack, dusty and ancient, humming with the low, indifferent vibration of hardware that had outlived its creators. The plant was modernizing, shifting to cloud-connected IIoT gateways and sleek Allen-Bradley units, but the primary conveyor logic for the West Shaft still ran on this GE Fanuc dinosaur.
Does not run natively on 64-bit Windows 10 or Windows 11. and function blocks.
To successfully run Logicmaster 90-30 V9.05 today, using an emulator like DOSBox or a virtual machine running 32-bit Windows XP/7 is the most reliable method.
Request archive access if you hold an active legacy support contract.
He loaded the backup file he had recovered from the dusty server archives. Lines of logic populated the screen—rungs of contacts, coils, and function blocks. It was the heartbeat of the plant, written in code twenty years ago by someone long retired.