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CompactLogix Packaged Controller Allen-Bradley 1769-L23E-QB1B

CompactLogix Packaged Controller Allen-Bradley 1769-L23E-QB1B

Product Description

The 1769-L23E-QB1B is a self-contained CompactLogix 5370 L2 controller from Allen-Bradley. It provides an all-in-one automation solution with an integrated 24VDC power supply and built-in I/O, eliminating the need for separate power or I/O modules in smaller-scale...

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AvailabilityLow stock: 99 left

SKU: 1769-L23E-QB1B
Vendor: Allen Bradley

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  • Carriers: Shipped via DHL, FedEx, UPS, or USPS.
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  • Guarantee: 30-day return window for in-stock, factory-sealed products.
  • Condition: Items must be unopened, unused, and in original packaging.
  • Authenticity: We guarantee 100% original and authentic hardware.

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Authenticity & Warranty

  • Genuine Guarantee: We supply only 100% original, brand-new, and factory-sealed industrial automation parts.
  • Full Coverage: Every component is backed by a 12-month comprehensive warranty from the date of purchase.
  • Traceability: All products come with original factory documentation and accessories for full industrial compliance.

Technical Support & Sourcing

  • Expert Assistance: Our technical team provides free consultation to help you verify compatibility for DCS and PLC systems.
  • Rare Part Sourcing: Specializing in obsolete and hard-to-find components from Allen-Bradley, Siemens, ABB, HIMA, and more.
  • Bulk Inquiries: Contact us at pambo@5gplc.com for volume pricing or customized project quotes.
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Product Description

The 1769-L23E-QB1B is a self-contained CompactLogix 5370 L2 controller from Allen-Bradley. It provides an all-in-one automation solution with an integrated 24VDC power supply and built-in I/O, eliminating the need for separate power or I/O modules in smaller-scale applications. This controller is ideal for space-constrained environments while maintaining the robust functionality of the Logix platform.


Technical Specifications

Specification Details
Model Designation 1769-L23E-QB1B
Controller Family CompactLogix 5370 L2
Embedded I/O 16 channels 24VDC discrete inputs, 16 channels discrete outputs
User Memory 512 KB
Expansion Capability Up to 3 additional 1769 Compact I/O modules
Communication Interfaces 10/100 Mbps Ethernet, USB, RS-232 (DF1, DH-485, ASCII)
Power Input 24VDC nominal
Physical Weight 0.91 kg

Operational Capabilities

The controller supports real-time connectivity with HMI and SCADA systems for centralized monitoring and data acquisition. It can manage up to 32 tasks and 100 programs per task, offering significant logical flexibility. Dual-port connectivity allows simultaneous programming via USB while maintaining Ethernet communication for system monitoring and troubleshooting.


Frequently Asked Questions

Can I expand the I/O capacity of this unit?
Yes, it supports up to three additional 1769 Compact I/O modules for scalable applications.

What types of communication protocols are supported?
It includes Ethernet for network communication and RS-232 supporting DF1, DH-485, and ASCII industrial protocols.

Is the power supply integrated?
Yes, the controller features a built-in 24VDC power supply sufficient for both internal functions and attached expansion modules.