> For the complete documentation index, see [llms.txt](https://help.security.gallagher.com/knowledge-hub/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.security.gallagher.com/knowledge-hub/products/cc-hardware/controllers.md). # Controllers Compare Gallagher controller ranges, their lifecycle status, and available documentation. A Gallagher controller is an IP-based field device for local access control, intrusion alarms, perimeter security, and business automation. It operates independently from the Command Centre server. Predefined responses continue during a server outage, and stored events synchronize when the connection returns. ### Controller range and lifecycle
FamilyStatusOverview
Controller 7000 and 7000 Single DoorCurrentCurrent controller range. Includes Standard, Starter, Enhanced, 2 Door, High Sec, and Single Door models.
Controller 6000SupersededIntroduced in 2009. Controller 7000 replaces this range. Support ends July 2031.
Controllers - LegacyObsoleteController 5000, 5000GL, and 3000 families. These controllers do not support Command Centre versions later than 8.20.
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