Rslogix 500 81000 Cpr9 W Master Disk Exclusive [better] May 2026

RSLogix 500 version 8.10.00 (CPR 9) is a significant legacy release for Allen-Bradley's SLC 500 and MicroLogix controller platforms

Version 8.10 Transition: This version was notably the last release to officially support EVRSI (Master Disk) activations, as later versions moved exclusively to the digital FactoryTalk Activation Manager. Installation & Compatibility master disk and rslogix 500 | PLCtalk - Interactive Q & A rslogix 500 81000 cpr9 w master disk exclusive

Part 7: Troubleshooting Common Issues

Even the legendary master disk can hit snags. Here are fixes for frequent problems: RSLogix 500 version 8

If the list is empty, you need to re-host your activation or "Refresh" the server. 3. Check Service Status DF1 for direct serial to SLC 5/01–5/05

for a replacement. They will verify ownership, but a support contract is not required to receive the replacement. Rockwell Automation 4. Modernizing a Legacy Setup

• DF1 for direct serial to SLC 5/01–5/05.
• DH‑485 via 1747‑UIC or 1747‑PIC (the exclusive master includes the 16‑bit PIC driver).
• Ethernet for SLC 5/05 or MicroLogix 1100/1400.

• A dedicated PC or Virtual Machine running Windows XP Professional SP3 (Windows 7 32-bit is possible but requires compatibility mode).
• RSLinx Classic CPR 9 (must be installed first).
• 10 MB of free HDD space (insanely small by modern standards).

SLC 500 Enhancements: Added support for FRN-11 firmware for SLC 5/03, 5/04, and 5/05, enabling Modbus RTU Master and Modbus MSG instructions.