LM90 9.05 Pun | PDF | Programmable Logic Controller - Scribd

You need a GE Fanuc SNP Adapter (specifically the IC690ACC901 ) or a high-quality RS-232 to RS-485 converter.

If you successfully obtain a full copy of Logicmaster 9030 V905, protect it:

: Moving to Windows-based software eliminates DOS emulation complexities.

: Only qualified automation personnel should connect programming terminals to live PLC systems. Changing logic or forcing outputs remotely can lead to unexpected machine motion, electrical hazards, or serious injury.

Finding a "full" download from official sources is difficult today, as GE has shifted its support to modern platforms like Proficy Machine Edition (PME) GE 9030 | Automation & Control Engineering Forum

Logicmaster 90-30 v9.05 Software Download Full: The Challenges

Supports the full range of instructions available for the Series 90-30 PLC.