Rated 4.3 with 15 reviews


Revisions: Ser A

Description:  Allen Bradley CompactLogix 5370 L2 Controller, 2 Ethernet Communication Ports with Device Level Ring enabled, 750Kilobyte capacity of memory, 16 DC Inputs, 16 DC Outputs, Up To 4 1769 I-O extension s, 8 EtherNet-IP and 120 TCP Connections, 24V DC Input Embedded Power Supply,With 1GB SD Card, Can Support Up To 2GB SD Card, 1 USB Port. CPU Module. RSLogix5000 | series A&B | copper wire type. Weighs 3lbs and is 11X8X6 inches.

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Request a quote for 1769-L24ER-QB1B
Warranty: 1 year DO Supply Warranty Included
Shipping: Worldwide shipping via DHL, UPS, Fedex, and TNT
Repairs: We offer repair service for the 1769-L24ER-QB1B.
Exchange: Exchange credit for your defective unit available.

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About 1769-L24ER-QB1B

The Allen-Bradley 1769-L24ER-QB1B is a CompactLogix 5370 packaged sink/source L2 controller that comes with 32 channels and 2 Ethernet communication ports. These 32 channels of the controller are made up of 16 DC input and 16 DC output channels. For the input channels, it has a 24 Volt DC voltage and a 10 to 28.8 Volt DC operating voltage range at 40 degrees Celsius, 10-26.4 Volts DC at 60 degrees Celsius, and a 24 Volts DC nominal voltage. The 1769-L24ER-QB1B current draws are 1.54 A at 5 Volts DC and 0.95 A at 24 Volts DC. At an off-state, it has a maximum current of 1.5 mA and a maximum voltage of 5 Volts DC. Its on-state currents are 2 mA at 24 Volts DC per channel and 5 mA at 24 Volts DC per channel, which are the minimum and maximum respectively. This controller’s output channels have a nominal voltage of 24 Volts DC and an operating voltage range of 20.4 to 26.4 Volts DC. When in an on-state, it has a maximum voltage drop of 1 Volts DC at 1 A and a maximum current of 0.5 mA at 24 Volts DC per channel. The 1769-L24ER-QB1B current per point is 0.83 A at 40 degrees Celsius and 0.5 A at 60 degrees Celsius, while its current per module is 6.64 A at 40 degrees Celsius and 4 A at 60 degrees Celsius. 

The power supply of the 1769-L24ER-QB1B controller is 24 Volts DC and is isolated. It comes with a 0.75 MB memory that you can expand using the standard 1 GB standard secure digital (SD) memory card or the optional 2 GB memory card. This controller uses a USB and DualPort Ethernet DLR interface and comes with built-in status LEDs. The entire 1769-L24ER-QB1B controller measures 4.53 x 4.13 x 4.65 inches.

Technical specifications:

Manufacturer:Rockwell Automation
Part Number/Catalog No.:1769-L24ER-QB1B
Product Line:CompactLogix
Module Type:Processor Module
Shipping Weight:3 lbs.
Shipping Dimensions:11X8X6 in.
Series:A and B
Replacement Terminal Block Part Number:1769-RTBN18
Wire Type:Copper-90 degrees Celsius
Wire Size (Solid):22-14 AWG
Wire Size (Stranded):22-16 AWG
Mounting:DIN rail/Panel mount


Question: What is this module’s power dissipation?

Answer: The 1769-L24ER-QB1B has a power dissipation of around 12 watts.


Question: What are this module’s communication options?

Answer: The 1769-L24ER-QB1B uses Ethernet communication.


Question: What type of memory is the 1769-L24ER-QB1B equipped with?

Answer: The 1769-L24ER-QB1B has a module memory of 750KB.


Question: How should the 1769-L24ER-QB1B be mounted?

Answer: The 1769-L24ER-QB1B can be mounted with either a DIN rail or a panel mount.


Question: Can this module be purchased with a warranty?

Answer: Yes, the 1769-L24ER-QB1B comes with a free one-year warranty from DO Supply, Inc.


Question: Where can I send the 1769-L24ER-QB1B to be repaired?

Answer: DO Supply, Inc. offers a variety of repair services for the 1769-L24ER-QB1B.

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

Our highly skilled technicians can repair your 1769-L24ER-QB1B. 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-L24ER-QB1B such as the wiring diagrams, data sheets, firmware information and migration or obsolescence details.

Revision Part # Also Known as Availability
1769-L24ER-QB1B Ser A
1769-L24ER-QB1B/A, Series A, Rev A Request Quote

Common misspellings: 1769-L24ER-QBIB