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The Allen-Bradley 1785-L40C15 stands out in the PLC5 series as a feature-rich Programmable Logic Controller specifically designed for advanced industrial applications. This model features dual ControlNet communication interfaces, complemented by additional secondary interfaces, and supports distributed I/O architectures with compatibility across various modules including Bulletin 1771, 1794, 1746, and 1791 I/O. Capable of managing up to 48KWords of memory and supporting 2048 I/Os, the 1785-L40C15 excels in environments that require reliability and quick switchover through its hot backup capabilities, supported by the 1785-CBHM module. The controller also offers diverse communication with built-in ports for serial, Data Highway Plus, and Remote I/O, ensuring robust and flexible connectivity options critical for modern automation systems.