CompactLogix System

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Controllers

CompactLogix Controllers Overview



The CompactLogix platform brings together the benefits of the Logix platform—common programming environment, common networks, common control engine—in a small footprint with high performance. Combined with Compact I/O modules, the CompactLogix platform is perfect for tackling smaller, machine-level control applications, with or without simple motion, with unprecedented power and scalability. A CompactLogix platform is ideal for systems that require standalone and system-connected control over EtherNet/IP, ControlNet, or DeviceNet networks.

For detailed specifications, see CompactLogix Controllers Specifications, publication 1769-TD005

	1769-L23x Controllers	1769-L3x Controllers	1768-L4x Controllers	1768-L4xS Controllers
Controller application	Small applications Embedded I/O modules	General purpose	Integrated motion	Integrated safety Integrated motion
Controller tasks	• 3 tasks • 16 programs/task (1 continuous) • Event tasks: consumed tag and EVENT instruction triggers	4, 6, or 8 tasks (1 continuous) • Event tasks: consumed tag and EVENT instruction triggers	• 16 tasks (1 continuous) • Event tasks: consumed tag, EVENT instruction, axis, and motion event triggers	• 16 tasks (1 continuous) • Event tasks: consumed tag, EVENT instruction, axis, and motion event triggers
User memory	512 KB	512 kB to 1.5 MB	2 MB or 3 MB	• 2 MB standard, 0.5 MB safety • 3 MB standard, 1 MB safety
Built-in communication port options	• 1 EtherNet/IP port, 1 RS-232 serial port • 2 RS-232 serial ports	• 2 RS-232 ports • 1 ControlNet port, 1 RS-232 serial port • 1 EtherNet/IP port, 1 RS-232 serial port	• 1 RS- 232 serial port	• 1 RS- 232 serial port
Communication options	• EtherNet/IP • DeviceNet	• EtherNet/IP • ControlNet • DeviceNet	• EtherNet/IP • ControlNet • DeviceNet	• EtherNet/IP (standard and safety) • ControlNet (standard and safety) • DeviceNet (standard)