1769-L18ER-BB1B is a versatile solution for industrial and automation needs. CompactLogix 5370 L1 Controller, Dual Ethernet w/DLR capability, 512KB Memory, 8 I/O Expansion via 1734 POINT I/O, 8 Ethernet IP Nodes, 24VDC. This Controller uses POINT I/O (1734) backplane. Controllers are shipped with 1GB SD card and can support up to 2GB SD card Designed to deliver high reliability, efficiency, and performance, this product ensures compatibility with a wide range of applications. It excels in providing robust functionality and meets demanding operational requirements. Its compact design and advanced features make it an ideal choice for modern setups, while comprehensive documentation ensures seamless integration into your systems.