Rslogix 500 8.10.00 Cpr9 W Master Disk May 2026

A municipality ran a 1998 SLC 5/04 controlling three lift stations. Their programming laptop ran Windows XP and RSLogix 500 version 6.0. The hard drive failed. No backups of the software media existed. They had the original .RSS program file saved on a network drive.

| Feature | 8.10.00 CPR9 | Version 11.x / 12.x | |---------|---------------|----------------------| | | Unofficial (via VM) | Official | | FactoryTalk Activation | No (uses Master Disk) | Yes (requires hosted activation) | | 64‑bit native | No (32‑bit app on 64‑bit OS) | Same (still 32‑bit) | | Modern processor support | Full (MicroLogix 1400, SLC 5/05) | Full + newer Micro800 via Convertor | | Price | Perm legacy license (no subscription) | Subscription only (annual fee) | | Rockwell support | None (end of life) | Limited (critical security only) | RSLogix 500 8.10.00 CPR9 w master disk

The answer lies in the installed base. Tens of thousands of SLC 500 and MicroLogix 1100/1400 controllers are still running critical processes 24/7. These controllers were programmed with various versions of RSLogix 500, but not all versions play nicely with modern operating systems or handle large project files efficiently. A municipality ran a 1998 SLC 5/04 controlling

The integrator used a legitimate RSLogix 500 8.10.00 CPR9 Master Disk (from an older upgrade kit). They installed it on a dedicated Windows 10 laptop. The disk‑based activation worked without internet. RSLinx 2.59 communicated via a USB‑to‑DF1 adapter (1756‑U2CF). They opened the .RSS file, converted it to the 8.10 format, and downloaded to the SLC 5/04 via DH+ passthru a 1756‑DHRIO module. No backups of the software media existed