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Revisions: Ser A

Description:  Allen Bradley CompactLogix Dual Serial Processor, 512KB capacity of memory CPU Module 1769-L31 Allen Bradley CompactLogix | RSLogix5000 | series A&B | enclosure type is closed | copper wire type. Weighs 2lbs and is 8x8x5 inches.

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Warranty: 1 year DO Supply Warranty Included
Shipping: Worldwide shipping via DHL, UPS, Fedex, and TNT
Repairs: We offer repair service for the 1769-L31.
Exchange: Exchange credit for your defective unit available.

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About 1769-L31

The Allen-Bradley 1769-L31 is a 1769 CompactLogic controller. It provides a Logix solution for low-end and medium-end applications. It is a distributed control package with state-of-the-art control, I/O elements, and communications. It is a small and powerful controller with two built-in serial ports. It can support up to 100 connected devices.
The 1769-L31 controller has 512 KB of available user memory. It has 2 RS-232 serial ports for communication with one for the system or user protocols and one for system protocol only. It can support a maximum of 4 tasks, 16 local I/O modules, and 3 I/O banks. It has a current requirement of 330mA at 5V DC and 40mA at 24V DC. It has a dimension of 8 x 8 x 5 in. and weighs 2 lbs. It uses RSLogix 5000 software for configuration and programming. For installation, it uses the DIN-rail or panel mounting method with an open enclosure. It must always be the leftmost module and be within four modules of the system’s power supply. For wiring, the 1756-CP3 or the 1747-CP3 serial cable with a 2mm^2 (14- 22 AWG) category standard is used. The 1784-CF128 Industrial CompactFlash card can also be installed as a nonvolatile memory. The 1769-BA is the only battery module compatible with this controller.
The 1769-L31 controller has LED status indicators for various commands such as Run, Force, Battery, I/O, and Ok. It is intended for use in overvoltage category II industrial standards with 0 - 60 °C operating temperature and 30g operating shock.

Technical specifications:

Manufacturer:Rockwell Automation
Part Number/Catalog No.:1769-L31
Product Line:CompactLogix
Module Type:Processor Module
Module Type:Control Module
Enclosure Type Rating:None (Open Style)
Memory:512 kilobytes
Series:A and B
Battery :1769-BA
Shipping Weight:2 lbs.
Shipping Dimensions:8X8X5 inch
Wire Type:Copper-90 degrees Celsius
Wire Size (Solid):22-14 AWG


Question: What is the user memory of a 1769-L31 controller?

Answer: A 1769-L31 CompactLogix Controller has a user memory of 512 kilobytes. 


Question: What is the power supply distance rating of CompactLogix Controllers?

Answer: All CompactLogix controllers, including 1769-L31, have a power supply distance rating of 4. 


Question: What is the price of 1769-L31 CompactLogix Controllers?

Answer: Submit a quote request, send us an email, or call 800-730-0292 for our best price. 


Question: Where can I find repair services for the 1769-L31 CompactLogix Controller?

Answer: DO Supply offers repair services for a variety of Allen-Bradley products, such as the 1769-L31 CompactLogix Controller. For more information or to request a repair quote, please click here

Type Lead Time Price Action
Repair Service 2-4 weeks AskGet Quote

Our highly skilled technicians can repair your 1769-L31. All of our repairs come with a 1 Year DO Supply Warranty. Please contact us for additional information about our repair process.

Please refer to the manual for more information about the 1769-L31 such as the wiring diagrams, data sheets, firmware information and migration or obsolescence details.

Revision Part # Also Known as Availability
1769-L31 Ser A
1769-L31/A, Series A, Rev A Request Quote

Common misspellings: 1769-L3I