Description

Allen Bradley 1769-L33ER CompactLogix Programmable Automation Controller

Configured for local control execution and EtherNet/IP communication in CompactLogix automation networks, the Allen Bradley 1769-L33ER (1769-L33ER Programmable Automation Controller) provides direct processor control and data exchange functions.

Hardware Specifications

Parameter	Specification
Model	1769-L33ER
Brand	Allen Bradley
Origin	USA
Product Type	Programmable Automation Controller
Product Line	CompactLogix
Weight	1.00 lbs (0.45 kg)
Operating Temp	0 to 60 deg C
Local Modules Supported	Up to 16 modules
Supported Banks	2 banks
Communication Ports	1 USB port and 1 Ethernet port
Communication Protocol	EtherNet/IP
Memory Capacity	2 MB
Tasks	32 tasks
Programs per Task	100 programs
Mounting Method	DIN rail and panel mounting
Vibration Rating	Operating: 10 to 500 Hz; 0.030 in. peak-to-peak

EtherNet/IP Control Network and Firmware Compatibility

The 1769-L33ER operates within CompactLogix control architectures and manages local I/O expansion through the 1769 backplane communication structure. In addition, the controller supports EtherNet/IP deterministic network communication for controller-to-device data exchange.

The controller design supports I/O density scaling through local module expansion. Therefore, users can configure multiple Compact I/O modules across two available banks while maintaining centralized processor control. Firmware compatibility must match the installed CompactLogix system revision to maintain communication and application execution.

Frequently Asked Questions

Q: How many local modules can the 1769-L33ER control?
A: The controller supports up to 16 local modules distributed across two supported module banks.

Q: Which communication interfaces are available on the 1769-L33ER?
A: The controller provides one USB programming interface and one Ethernet interface supporting EtherNet/IP communication.

Q: Can the 1769-L33ER support hot-swapping of local modules?
A: The 1769-L33ER does not provide general hot-swap capability for installed I/O modules. Maintenance procedures should follow CompactLogix power removal and installation requirements.

Field Installation Guidelines

Install the 1769-L33ER on a properly grounded DIN rail or panel mounting surface according to CompactLogix installation requirements. Maintain adequate spacing around the controller to support heat dissipation and prevent mechanical interference with adjacent modules.

Use shielded Ethernet cabling when required by the installation environment. Route communication wiring separately from high-voltage power conductors to reduce electrical noise coupling. Verify that the controller firmware, project file revision, and connected I/O module configuration match before commissioning.

Connect the protective grounding system according to site electrical standards. During replacement activities, remove power before disconnecting local modules or communication wiring.

Specifications

• Brand: Allen Bradley

Advantages

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