Logicmaster 90-30 (LM90) is a legacy, DOS-based software package used to program GE Fanuc Series 90-30, 90-20, and Micro PLCs Version 9.05 was one of the final releases for this platform. Control.com Software Availability & Download
Legitimate sources to obtain the software: logicmaster 9030 v905 software download full
The software is divided into two main components that handle the configuration and runtime management of the PLC: Logicmaster 90-30 (LM90) is a legacy, DOS-based software
The Quest for the Elusive Logicmaster 9030 v905 Cost: $1,000–$3,000 per license
Occasionally, licensed copies appear on industrial auction sites or forums. Look for original 3.5-inch floppy disks or CD-ROMs with the yellow and black Logicmaster label. Ensure the license disk (Disk 1) is included and readable.
F10 – Utilities > Communications > Set COM1, 19200 baud, 8 data bits, 1 stop, even parity.