Allen-Bradley / Rockwell Automation ControlLogix Secure Digital Card 1784-SD2

The ControlLogix Secure Digital Card, part number 1784-SD2, is a 2 GB memory card designed for use with CompactLogix 5370 controllers. It serves as nonvolatile memory, allowing for the storage of application programs and data. This card eliminates the need for a battery due to the internal energy-storage solution of the controllers. It is compatible with various CompactLogix models and supports local expansion modules, making it suitable for a range of automation applications. The card is essential for engineers looking to enhance the memory capacity of their control systems while ensuring reliable data retention.