Allen-Bradley 1769-L19ER-BB1B: CompactLogix 5370 L1 Controller

Name: Allen-Bradley 1769-L19ER-BB1B: CompactLogix 5370 L1 Controller
Brand: Allen-Bradley

Model: 1769-L19ER-BB1B

Brand Allen-Bradley

Series CompactLogix

Model 1769-L19ER-BB1B

RFQ-ready model route Obsolete and surplus sourcing Export follow-up by model list

Product Overview

Commercial availability is handled through direct RFQ, model verification and export-oriented follow-up rather than public cart checkout.

Submit RFQ Email This Model

Datasheet Preview

Use attached product manuals when available. If the manual is not public yet, request the full file directly through RFQ.

Request Full Manual

Commercial Path

Use This Page To Confirm The Model, Then Move To RFQ

Product pages on DRIVEKNMS are designed to verify model, brand and series first, then move the buyer into one clean quotation path.

Technical Dossier

Product Details And Specifications

Allen-Bradley 1769 Series Technical Notes

The Allen-Bradley 1769 CompactLogix platform is one of the most widely deployed programmable automation controller (PAC) architectures in global heavy industry. Installed across petrochemical refineries, nuclear auxiliary systems, offshore platforms, pulp and paper mills, and automotive body-in-white lines, the 1769 series represents Rockwell Automation's mid-range control tier — bridging the gap between the entry-level MicroLogix family and the high-availability ControlLogix 1756 chassis. The 1769-L19ER-BB1B is a CompactLogix 5370 L1 controller within this ecosystem, featuring an embedded EtherNet/IP port, 1 MB memory, and support for up to 16 axes of motion via CIP Motion. Its compact form factor and integrated I/O bus make it a standard specification in skid-mounted process control and OEM machine automation globally.

The Evolution of 1769 Architecture

The 1769 platform was introduced by Rockwell Automation in the early 2000s as a modular, DIN-rail-mounted alternative to the fixed-I/O MicroLogix line. The original CompactLogix L20, L30, and L35 controllers used a serial-based DF1 communication model and required a separate 1769-ADN DeviceNet adapter for fieldbus connectivity. The transition to EtherNet/IP-native controllers began with the L43 and L45 variants, which introduced dual-port EtherNet/IP and Device Level Ring (DLR) topology support — a critical advancement for ring-redundant machine networks.

The CompactLogix 5370 generation (L1, L2, L3 tiers) introduced in 2012 consolidated the architecture onto a unified Logix5000 firmware base (v20+), enabling seamless program portability between CompactLogix and ControlLogix platforms. The 1769-L19ER-BB1B belongs to the 5370 L1 tier — the entry point of the 5370 generation — and is fully compatible with Studio 5000 Logix Designer v21 and above. As of 2024, the 5370 L1 series has entered the Active Mature phase of Rockwell's lifecycle policy, meaning no new features are being added but full support and spare parts availability continue. End-of-life is not yet announced, making long-term maintenance sourcing viable.

1769 Full Catalog & Functionalities (SKU List)

Controllers

1769-L16ER-BB1B: CompactLogix 5370 L1, 0.5 MB memory, 8-axis motion, EtherNet/IP
1769-L18ER-BB1B: CompactLogix 5370 L1, 1 MB memory, 16-axis motion, EtherNet/IP
1769-L19ER-BB1B: CompactLogix 5370 L1, 1 MB memory, 16-axis motion, dual EtherNet/IP, SD card slot
1769-L24ER-QB1B: CompactLogix 5370 L2, 2 MB memory, 16-axis motion, embedded I/O
1769-L27ERM-QBFC1B: CompactLogix 5370 L2, 4 MB memory, 32-axis CIP Motion, EtherNet/IP
1769-L30ER: CompactLogix 5370 L3, 1 MB memory, standard EtherNet/IP controller
1769-L33ER: CompactLogix 5370 L3, 2 MB memory, dual EtherNet/IP, DLR support
1769-L36ERM: CompactLogix 5370 L3, 4 MB memory, 32-axis CIP Motion, EtherNet/IP

Digital Input (DI) Modules

1769-IQ16: 16-point 24V DC sink/source digital input module
1769-IQ32: 32-point 24V DC digital input, high-density compact form
1769-IA8I: 8-point 120V AC isolated digital input module
1769-IQ6XOW4: 6 DI / 4 relay output combo module, 24V DC

Digital Output (DO) Modules

1769-OB16: 16-point 24V DC source digital output module
1769-OW8: 8-point relay output module, 240V AC/DC rated contacts
1769-OB32T: 32-point 24V DC MOSFET transistor output, high-speed switching

Analog I/O (AI/AO) Modules

1769-IF4: 4-channel analog input, 4–20 mA / 0–10V, 14-bit resolution
1769-IF8: 8-channel analog input, differential or single-ended, 16-bit
1769-OF4: 4-channel analog output, current/voltage selectable, 14-bit
1769-IF4XOF2: 4 AI / 2 AO combo module, 14-bit, compact footprint

Communication & Specialty Modules

1769-SDN: CompactLogix DeviceNet scanner adapter for legacy fieldbus integration
1769-ASCII: ASCII serial interface module for barcode readers and serial devices
1769-HSC: High-speed counter module, 1 MHz input rate, quadrature encoder support

Quality Control for the 1769 Range

The 1769 platform uses a proprietary backplane bus operating at 200 Mbit/s for inter-module communication. Quality verification for 1769 modules at DriveKNMS includes the following protocol:

Backplane bus continuity and impedance verification using Rockwell-compatible test fixtures
EtherNet/IP port functional test: ping response, CIP connection establishment, and DLR ring participation verification
I/O channel-level functional test: each analog channel calibrated against NIST-traceable reference; each digital channel cycled through ON/OFF states under rated load
Firmware version audit: controllers are verified to run a stable, field-proven firmware revision (v21.011 or above for 5370 L1 series)
Visual inspection: connector pins, backplane edge connector, and housing integrity checked against OEM specification drawings
Burn-in test: 48-hour powered operation under ambient temperature cycling (0°C to 55°C) for controllers

Continue The Model Path

Use system, brand and series routes to compare related published models.

Move from this exact model into the matching system hub, brand archive, model-family archive or lifecycle sourcing route before sending a final RFQ list.