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The 1769-L23E-QB1B is an Allen-Bradley CompactLogix 5370 L2 series packaged controller engineered for seamless integration with embedded features. Operating at a nominal 24VDC supply, it boasts 16 discrete input and 16 discrete output channels, and supports up to three additional 1769 Compact I/O modules for expanded I/O capabilities. Equipped with 512KB of user memory, this controller can handle up to 32 tasks with 100 programs each. Offering robust communication options, it includes an Ethernet port supporting 10/100 Mbps, a USB interface, and an RS232 port compatible with DF1, DH485, and ASCII interfaces, facilitating connections with SCADA, HMI, and other controllers. The controller consumes 700 milliamps at 24VDC, dissipates 7 Watts of power, and supports a request packet interval of about 1.0 millisecond. It includes replaceable Allen-Bradley 1769-BA battery and can operate between 10 to 30 Volts DC, ensuring reliable performance across a range of industrial settings.