If you own a legitimate copy, treat it as the industrial treasure it is. If you are searching for one, understand that you are looking for a niche piece of automation history—but one that could save a production line from a costly, full‑scale controller upgrade.
And for those who still type rungs of ladder logic on a beige Dell with a floppy drive: you are not behind the times. You are the silent guardians of the industrial age. Long live RSLogix 500 CPR9. Have a story about your own “Master Disk Exclusive” experience? Share it in the comments below (or on the PLCTalk.net forum). For more deep dives into legacy Rockwell software, subscribe to our Automation Archaeology newsletter. rslogix 500 81000 cpr9 w master disk exclusive
Installer says “Please insert Disk 2” but you have only one CD. Fix: The “Exclusive Master Disk” is sometimes a single CD, but some OEM bundles spanned two floppies. If you have a single CD, check for a “/exclusive” switch: setup.exe /exclusive forces single‑disk mode. If you own a legitimate copy, treat it
Windows XP gives “16‑bit subsystem” error during install. Fix: The installer includes 16‑bit stubs. Run Setup.exe in Windows 98/Me compatibility mode and as Administrator. You are the silent guardians of the industrial age
| Aspect | Modern RSLogix 500 (v12+) | CPR9 Master Disk Exclusive | |--------|---------------------------|----------------------------| | | FactoryTalk Activation – requires internet or phone call | No activation – disk itself is license | | OS Compatibility | Windows 10/11 (64‑bit) only via virtual machine | Native on XP/Vista, ideal for legacy panels | | Driver support | No 1747‑PIC driver (DH‑485 via UIC only) | Includes 1747‑PIC for old PC serial ports | | Offline use | Requires periodic check‑in (depending on license) | Works completely offline forever | | Cost | $1,000+ per license (or subscription) | One‑time purchase (if found) |
RSLinx cannot see the PIC driver. Fix: The CPR9 PIC driver requires a true hardware COM port (or a quality USB‑to‑DB9 adapter with proper FTDI chip). Also run PICConfig.exe from the RSLogix installation folder.