1769-L33ER Allen-Bradley CompactLogix CPU

1769-L33ER Allen-Bradley CompactLogix CPU | New & Original Stock

Availability: 99 left in stock

Allen-Bradley 1769-L33ER CompactLogix 5370 L3 Processor The Allen-Bradley 1769-L33ER serves as the primary 1769-L33ER CPU Processor utilized to execute industrial...

SKU: 1769-L33ER

Manufacturer: Allen Bradley
Product No.: 1769-L33ER
Product Type: CPU Processors
Product Origin: USA
Payment:T/T, Western Union
Weight: 310g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Allen-Bradley 1769-L33ER CompactLogix 5370 L3 Processor

The Allen-Bradley 1769-L33ER serves as the primary 1769-L33ER CPU Processor utilized to execute industrial control logic and multi-axis coordination across CompactLogix 5370 L3 platforms. This hardware component functions as the primary processing engine, managing local and distributed I/O scanning parameters. It establishes data synchronization between processing tasks, localized backplane interfaces, and deterministic industrial field networks via embedded communications infrastructure.

Hardware Specifications

Parameter	Specification
Model	1769-L33ER
Brand	Allen-Bradley
Origin	United States
Weight	0.31 kg
Dimensions	132 x 55 x 105 mm
Operating Temp	0 to 60 deg C
Power Consumption	8.2 W maximum
User Memory	2 MB
Local I/O Capacity	16 local 1769 Compact I/O modules maximum
Integrated Motion	Up to 8 axes on EtherNet/IP
EtherNet/IP Nodes	32 nodes maximum
Embedded Ports	2 x EtherNet/IP (10/100 Mbps), 1 x USB 1.1
Backplane Current Draw	560 mA at 5 VDC / 225 mA at 24 VDC
Power Supply Distance Rating	4 modules maximum
Non-Volatile Storage	1 GB SD Card (1784-SD1 included)

EtherNet/IP Deterministic Networks and Execution Profiles

The hardware subsystem controls network traffic via dual embedded ports supporting Device Level Ring (DLR), linear, and star topologies. Operating through EtherNet/IP deterministic networks, the controller updates local configuration arrays and remote node states inside designated execution intervals. Internal memory management allocations enforce strict firmware flash compatibility parameters across the 32 available programming tasks. This allocation architecture scales local I/O density to prevent scan-time latency, ensuring fixed communication velocity during simultaneous motion profile executions.

Frequently Asked Questions

Q: How does the integrated energy storage module (ESM) affect data retention compared to traditional memory backups?

A: The processor utilizes an internal solid-state energy storage module to provide maintenance-free data persistence during power isolation events. This setup eliminates the requirement for traditional lithium batteries while maintaining real-time clock operations and volatile registers during power disruption.

Q: What are the physical slot boundaries dictated by the power supply distance rating for this controller?

A: The processor has a strict power supply distance rating of 4. It must be positioned within 4 module slots of an active 1769 system power supply component to ensure voltage rail stability across the local backplane.

Q: Can the processor handle online module insertion and removal (RIUP) for expansion cards in its local chassis?

A: No. The local 1769 backplane architecture does not support the insertion or removal of local I/O cards while the chassis is energized. Backplane power must be completely disconnected before changing hardware modules to avoid logic corruption or component degradation.

Field Installation Guidelines

Mount the processor securely onto the DIN rail or back panel assembly, ensuring the chassis is bonded directly to enclosure earth ground.
Verify the physical placement of the 1784-SD1 secure digital storage card in its designated slot prior to initiating the initial system boot routine.
Maintain physical separation between the external communication cables and high-voltage AC electrical distribution tracks within the cabinet.
Confirm that any hardware expansion bank configuration remains within the maximum limit of 16 local 1769 I/O modules.
Use the embedded USB interface strictly for localized firmware flash loading, system configuration, or direct technical diagnosis under isolated conditions.

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Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.