Allen-Bradley 1769-L19ER-BB2B CompactLogix 5370 L1 Controller Configured for EtherNet/IP control execution and embedded discrete signal processing in CompactLogix 5370 L1...
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Configured for EtherNet/IP control execution and embedded discrete signal processing in CompactLogix 5370 L1 systems, the Allen-Bradley 1769-L19ER-BB2B (1769-L19ER CompactLogix controller) provides direct physical and electrical execution through integrated I/O and network interfaces.
Hardware Specifications
Parameter
Specification
Model
1769-L19ER-BB2B
Brand
Allen-Bradley
Product Type
CompactLogix 5370 L1 Controller
Origin
USA
Power Consumption
24 VDC Class 2 power input
User Memory
1 MB
Embedded Digital Inputs
16 channels, 24 VDC sink inputs
Embedded Digital Outputs
16 channels, 24 VDC source outputs
Local Expansion
Supports up to 8 1734 POINT I/O modules
Communication Interface
Dual EtherNet/IP ports and 1 USB programming port
Network Topology Support
Linear, star, and Device Level Ring (DLR)
Ethernet/IP Nodes
Up to 8 EtherNet/IP nodes
Storage Media
1 GB Secure Digital (SD) card included, expandable up to 2 GB
Programming Software
Studio 5000 Logix Designer
EtherNet/IP Deterministic Network and I/O Scaling
The Allen-Bradley 1769-L19ER-BB2B integrates EtherNet/IP communication with CompactLogix control architecture. The controller uses dual Ethernet ports to support linear, star, and DLR network structures. Therefore, it can maintain deterministic industrial communication paths for distributed I/O systems.
The controller supports I/O density scaling through embedded 24 VDC digital channels and additional 1734 POINT I/O expansion modules. Furthermore, Studio 5000 Logix Designer manages controller configuration, tag structures, motion-related tasks, and application programming.
The CompactLogix platform uses firmware-managed compatibility to maintain communication between controller hardware and software revisions. In addition, the Ethernet/IP interface supports industrial device integration through standard network configuration methods.
Frequently Asked Questions
Q: Does the 1769-L19ER-BB2B support hot-swapping of connected I/O modules? A: No. The controller does not support hot-swapping of local expansion modules during normal operation. Power removal and proper shutdown procedures are required before changing connected hardware.
Q: What network functions are available through the dual Ethernet ports? A: The controller supports EtherNet/IP communication with linear, star, and Device Level Ring (DLR) topologies. The ports provide network connectivity for controller communication and distributed I/O devices.
Q: Which software environment configures the controller? A: The 1769-L19ER-BB2B uses Studio 5000 Logix Designer for programming, hardware configuration, and controller management.
Field Installation Guidelines
Install the 1769-L19ER-BB2B inside an enclosure that provides suitable mechanical protection and environmental control. Mount the controller according to CompactLogix installation requirements and maintain proper clearance for wiring access.
Use shielded Ethernet cables in areas with high electrical noise. Ground cable shields according to site electrical standards to reduce electromagnetic interference. Additionally, separate Ethernet wiring from high-voltage power cables and motor circuits to minimize signal disturbance.
Verify the 24 VDC power supply polarity before energizing the controller. Check grounding connections, terminal tightness, and network addressing before system startup. Confirm firmware compatibility between the controller, Studio 5000 Logix Designer project, and connected EtherNet/IP devices before commissioning.
