Allen-Bradley 1769-L18ER-BB1B CompactLogix Controller

The Allen-Bradley 1769-L18ER-BB1B is a compact and high-performance Programmable Automation Controller (PAC) designed for industrial control applications. Part of the CompactLogix 5370 L1 series, this controller integrates advanced communication capabilities, built-in I/O, and powerful processing features. Ideal for both small and mid-sized automation projects, it supports flexible programming and real-time control.

Key Features:

Built-in I/O: 16 DC inputs and 16 DC outputs (24VDC)
Ethernet Communication: Dual Ethernet ports supporting Linear, DLR, and Star topologies
Expandable: Supports up to 8 1734 Point I/O modules
Memory: 512KB embedded memory, with optional 1GB non-volatile memory
Programming Languages: Relay Ladder, Structured Text, Function Block, and SFC
Task Support: 32 tasks and 100 programs per task
USB Port: For programming and configuration
Energy Storage: Built-in energy storage eliminates the need for a battery

Technical Specifications

Specification	Value
Part Number	1769-L18ER-BB1B
Manufacturer	Allen-Bradley
Product Line	CompactLogix
Controller Type	CompactLogix 5370 L1
I/O Modules Supported	Up to 8 1734 Point I/O modules
Embedded Inputs	16 x 24V DC (Digital Inputs)
Embedded Outputs	16 x 24V DC (Digital Outputs)
Ethernet Ports	2 x Ethernet I/P (Embedded Switch)
Ethernet Topologies	Linear, Star, Device Level Ring (DLR)
Maximum Ethernet Nodes	8 nodes
Maximum Connections	256 controller connections
Number of Tasks	32 tasks
Number of Programs per Task	100 programs per task
Operating Temperature	-20°C to 60°C (-4°F to 140°F)
Humidity Range	5% to 95% (non-condensing)
Weight	1.38 lbs (0.62 kg)
Mounting	DIN Rail
Input Power	24V DC
Current Draw	1A @ 5V DC
Memory	512KB (Embedded) + 1GB (Non-volatile)
Communication Protocols	EtherNet/IP, USB
Wire Size (Solid)	22 to 14 AWG
Replacement Terminal Block Part Number	1769-RTBN18

Additional Features:

Ethernet/IP Communication: Dual Ethernet ports provide network redundancy and efficient data exchange.
Integrated Energy Storage: Eliminates the need for external batteries, enhancing system reliability.
Program Flexibility: Supports multiple programming languages like Relay Ladder, Structured Text, Function Block, and SFC.
Expandable I/O: Attach up to 8 1734 Point I/O modules to extend the controller’s I/O capacity.
USB Port: Provides easy connection for configuration and program upload.

The 1769-L18ER-BB1B offers a cost-effective solution for automation systems requiring both high performance and scalability. Its embedded I/O and dual Ethernet ports streamline installation and reduce system complexity, making it ideal for industries like manufacturing, process control, and machine automation.