Product Brief
The 1769-L23E-QB1B is a CompactLogix packaged controller with embedded digital I/O and an integrated EtherNet/IP communication port. Designed for compact machine control applications, it combines controller, power supply, and local I/O in a single unit, making it suitable for installations where cabinet space is limited. Although discontinued, it remains widely used for maintaining and expanding existing CompactLogix systems.
Installed in compact machine control panels, the 1769-L23E-QB1B combines controller, embedded I/O, and Ethernet connectivity to simplify cabinet design while supporting reliable automation performance.
Technical Information
| Item | Details |
|---|---|
| Catalog Number | 1769-L23E-QB1B |
| Product Family | CompactLogix |
| Product Type | Packaged Controller |
| User Memory | 512 KB |
| Communication | 1 EtherNet/IP port, 1 RS-232 serial port |
| Embedded I/O | 16 DC inputs, 16 DC outputs |
| Expansion Capacity | Supports up to 3 additional 1769 I/O modules (application dependent) |
| Integrated Power Supply | 24V DC |
| Mounting | DIN rail or panel mount |
| Compatible Modules | 1769 Compact I/O series |
| UPC | 612598350766 |
| Country of Origin | Malaysia |
| Lifecycle Status | Discontinued |
| Recommended Replacement | 1769-L24ER-QB1B |
Typical Applications
The controller is commonly installed in standalone machines and compact automation systems where local I/O and Ethernet communication are required without using a separate processor and power supply.
Typical applications include:
- Packaging equipment
- Conveyor control
- Material handling systems
- Assembly machines
- OEM machine control panels
Procurement Notes
The 1769-L23E-QB1B is primarily sourced for maintenance, repair, and legacy system support. When replacing an existing controller, firmware version, installed I/O modules, and system configuration should be verified before installation. Since this model has been discontinued, many users retain it as a spare for installed CompactLogix equipment.
Can't find the version you need?
Related Parts
| Model | Description |
|---|---|
| 1769-L24ER-QB1B | Recommended replacement controller |
| 1769-ECR | Right end cap |
| 1769-IQ16 | 16-point digital input module |
| 1769-OB16 | 16-point digital output module |
| 1769-IF4 | Analog input module |
The products shown represent only part of our industrial automation inventory. If you need another Allen-Bradley model or configuration, please contact us for current availability and sourcing assistance.
Quick Notes
Integrated CompactLogix controller with embedded digital I/O and EtherNet/IP connectivity for compact machine control and legacy system maintenance.
All products are covered by a one-year warranty from SC Automation Electrical Components Co., Ltd. Manufacturer's warranty does not apply. Refunds and Exchanges
1. If you have any questions about the item upon receipt, please contact us within 7 days.
2. Returned items must be in their original condition. We will process a refund or exchange for your order based on your specific situation after receiving your return/exchange request.
3. The buyer is responsible for all incurred shipping costs.
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