Description

Allen Bradley 1769-L19ER-BB1B CompactLogix Controller

Configured for controller execution and EtherNet/IP communication in CompactLogix automation networks, the Allen Bradley 1769-L19ER-BB1B (1769-L19ER-BB1B Controller) provides direct physical and electrical control processing. This controller manages embedded I/O, user programs, and network connections through dual Ethernet ports and one USB interface.

Hardware Specifications

Parameter	Specification
Model	1769-L19ER-BB1B
Brand	Allen Bradley
Origin	USA
Product Type	CompactLogix Controller
Weight	1.69 lbs (0.77 kg)
Power Consumption	11.5 Watts maximum power dissipation
Product Line	CompactLogix
User Memory	1 MB
Ethernet Communication Ports	2 Ethernet ports
USB Port	1 USB port
Maximum Controller Connections	256 connections
Maximum Sockets	32 sockets
Supported Tasks	32 tasks
Programs per Task	100 programs
Embedded I/O	16 digital DC inputs and 16 digital DC outputs
Current Draw at 5 VDC	1 Amp
Mounting Method	DIN rail mounting

EtherNet/IP Communication and CompactLogix Architecture

The 1769-L19ER-BB1B uses EtherNet/IP communication interfaces for controller networking and data exchange. The dual Ethernet ports support industrial network connection schemes, while the controller processes application tasks through the CompactLogix execution environment.

Furthermore, the controller supports up to 256 communication connections and 32 sockets, allowing multiple devices, software tools, and I/O communication paths to operate within the configured network structure.

The embedded I/O configuration provides 16 digital DC inputs and 16 digital DC outputs, reducing external module requirements for compact control applications. The controller also supports I/O density scaling through the CompactLogix platform architecture and backplane communication design.

Frequently Asked Questions

Q: Does the 1769-L19ER-BB1B support EtherNet/IP communication?
A: Yes. The controller provides two Ethernet communication ports for EtherNet/IP network connectivity and supports up to 256 controller connections.

Q: How much user memory is available in the 1769-L19ER-BB1B?
A: The controller provides 1 MB of user memory for application programs, controller data, and project configuration.

Q: What embedded I/O is included with this controller?
A: The controller includes 16 digital DC inputs and 16 digital DC outputs for direct field device connection.

Field Installation Guidelines

Install the 1769-L19ER-BB1B on a DIN rail according to the CompactLogix hardware installation requirements. Maintain proper spacing around the controller to support heat dissipation and provide access for Ethernet, USB, and field wiring connections.

Use shielded Ethernet cables where required by the industrial environment, and separate communication wiring from high-voltage power conductors to reduce electrical interference. Connect grounding and bonding points according to the applicable control panel standards.

Before operation, verify the 5 VDC backplane power load, embedded I/O wiring polarity, Ethernet addressing, and controller firmware compatibility with the installed automation project.

Specifications

• Brand: Allen Bradley

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems