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IO Expander
Extends controller capabilities and simplifies integration.
The AR3 IO Expander provides additional inputs and outputs to support more complex requirements. Designed for seamless system integration, it allows you to scale control without adding system complexity. Purpose-built for industrial environments, the IO Expander enables centralized programming, diagnostics, and monitoring directly through the AR3 Controller, eliminating the need for standalone logic or fragmented control systems.
Easy to install into the AR3 Advanced Controller.
Centralize programming.
Reduce system complexities.
Managing multi-step door sequences, interlocks, and safety conditions doesn’t have to be complicated.

The Next Generation in Commercial Door Control
Contact
BTR Controls
info@btrcontrols.com
Elgin, Illinois USA
© 2026 by BTR Controls
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