1769-L19ER-BB1B | Allen-Bradley CompactLogix 5370 Ethernet Controller with 1MB Memory, Embedded I/O

1769-L19ER-BB1B | Allen-Bradley CompactLogix 5370 Ethernet Controller with 1MB Memory, Embedded I/O

Part #: 1769-L19ER-BB1B Manufactured by: Allen-Bradley

Regular price: $1,887.00
Sale price: $1,887.00
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Condition: New – Open box

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Product Overview

Allen Bradley 1769-L19ER-BB1BCompactLogix 5370 L1 Controller, Dual Ethernet withDLR enabled, 1MB capacity of memory, 8 I-O... Read more

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Product Description P/N: 1769-L19ER-BB1B

Description / Specifications

Description

The Allen-Bradley 1769-L19ER-BB1B is a CompactLogix 5370 Ethernet controller designed for mid-range machine control applications requiring embedded I/O and high-performance execution. It features 1 MB of user memory, dual Ethernet/IP ports, and onboard 24 VDC digital inputs and outputs for efficient system integration. Its compact architecture and support for multiple programming languages make it suitable for flexible, scalable automation designs.

Technical Specifications

Condition	New/Never Used Surplus
Brand	Allen-Bradley
Category	PLC Controllers
Part Number	1769-L19ER-BB1B
Subcategory	CompactLogix Controllers
Series	CompactLogix 5370
User Memory	1 MB
Non-volatile Memory	1 GB SD (replaceable, up to 2 GB)
Embedded Inputs	(16) 24 VDC
Embedded Outputs	(16) 24 VDC
Max I/O Expansion	8 POINT I/O modules
Controller Tasks	32
Programs per Task	100
Ethernet Ports	2 × Ethernet/IP
Ethernet Speed	10/100 Mbps
Supported Topologies	Linear, Star, DLR
USB Port	1 × USB (12 Mbps)
Ethernet Nodes	8
Input Power	24 VDC
Current Draw @ 5 VDC	1 A
Mounting	DIN rail
Programming Languages	Ladder, ST, FBD, SFC
Wire Size (Solid)	22–14 AWG
Wire Size (Stranded)	22–16 AWG
Shipping Dimensions	11 × 8 × 6 in

Information About 1769-L19ER-BB1B

The 1769-L19ER-BB1B is part of the CompactLogix 5370 L1 series, offering a modular PAC platform with integrated processing, communication, and I/O. With sixteen embedded 24 VDC inputs and sixteen 24 VDC outputs, the controller eliminates the need for separate local I/O modules in many applications. Dual Ethernet/IP ports support linear, star, and Device Level Ring (DLR) topologies, enhancing network reliability and providing built-in switch functionality. The controller also supports up to eight POINT I/O modules, enabling expansion into distributed I/O configurations while maintaining compact system design.

Key Features:

Embedded I/O: Includes 16 digital inputs and 16 digital outputs for direct connection to field devices.
Dual Ethernet Ports: Integrated switch supports linear, star, and DLR network topologies.
1 MB User Memory: Supports up to 32 tasks with 100 programs per task for efficient application structuring.
POINT I/O Expansion: Supports up to eight 1734 POINT I/O modules for local or distributed I/O growth.
High-Speed Communication: Ethernet/IP up to 100 Mbps and USB 2.0 at 12 Mbps for programming and connectivity.
Flexible Programming: Compatible with Ladder, ST, FBD, and SFC languages.
Non-Volatile Storage: Ships with a 1 GB SD card, expandable to 2 GB for application backups.
DIN Rail Mounting: Compact installation footprint suitable for control panels and OEM machine designs.

The 1769-L19ER-BB1B delivers the reliability and control performance required for compact industrial automation systems.

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Frequently Asked Questions about 1769-L19ER-BB1B

Question: What is the 1769-L19ER-BB1B?

Date Update:04/06/2025

Answer:

The 1769-L19ER-BB1B is a CompactLogix 5370 Programmable Automation Controller (PAC) by Allen-Bradley. It features embedded 16 discrete 24VDC inputs and 16 discrete 24VDC outputs, making it an integrated solution for small to mid-size automation systems. The controller supports dual Ethernet interfaces with an integrated switch for linear, star, and Device Level Ring (DLR) topologies. Its compact size and modular expandability make it a versatile choice for various industrial applications.

Question: How does the 1769-L19ER-BB1B manage communication with other devices?

Date Update:04/06/2025

Answer:

The 1769-L19ER-BB1B features dual Ethernet interfaces that function as an integrated Ethernet switch. These interfaces support linear, star, and Device Level Ring (DLR) topologies, enabling flexible network architectures. With 10/100 Mbps transmission speeds and up to 8 Ethernet nodes, it easily integrates with HMIs, SCADA systems, and other networked devices. Additionally, a USB port is provided for programming and local connectivity at 12 Mbps, ensuring fast and reliable configuration and diagnostics.

Question: Which programming languages does the 1769-L19ER-BB1B support?

Date Update:04/06/2025

Answer:

Relay Ladder (Safety Task only)
Structured Text (ST)
Function Block (FBD)
Sequential Function Chart (SFC)

This multi-language support enables engineers to select the programming method best suited to their application, promoting standardized development and easier maintenance.

Question: What is the user memory and non-volatile memory capacity of the 1769-L19ER-BB1B?

Date Update:04/06/2025

Answer:

The controller includes 1 MB of user memory, sufficient for standard applications and local program storage. Additionally, it comes pre-installed with a 1 GB non-volatile 1784-SD1 Secure Digital (SD) card, which can be upgraded to a 2 GB SD card (1784-SD2). This expandable memory allows users to store larger programs and logs, as well as simplify firmware updates. The memory architecture enhances the controller’s reliability and data retention capabilities.

Question: How is the 1769-L19ER-BB1B typically mounted?

Date Update:04/06/2025

Answer:

The 1769-L19ER-BB1B is designed for DIN rail mounting, providing a secure and standard installation method. This compact design supports horizontal orientation to maximize space efficiency in control panels. It can also be used with a removable terminal block (RTB) for simplified wiring and maintenance. This versatile mounting makes the controller suitable for a variety of cabinet layouts.

IQElectro is not an authorized distributor.

IQElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.

Description / Specifications