Allen-Bradley 1769-L23E-QB1B CompactLogix – Ready to Ship / Pick Up
In stock: 1769-L23E-QB1B CompactLogix L23E controller, 512 KB user memory, EtherNet/IP port plus RS-232 port, 2 Compact I/O expansion modules. NJT Automation has 1 unit available in Milwaukee, WI, ready to ship or available for local pickup. Includes a one-year full-function warranty.
$299.99USD
| Description | CompactLogix controller, 512 KB. In stock in used condition. |
| Shipping | Ships today UPS Ground included | Next-Day Air and Worldwide Shipping available at checkout |
| Pickup | Free local pickup at 2122 N Prospect Ave. Call ahead at (414) 331-5954. |
| Warranty | 1-year full-function warranty provided by NJT Automation. Warranty detailsThe original Allen-Bradley warranty does not apply to pre-owned units. Full warranty coverage is provided directly by NJT Automation. If you have any issues we can usually swap your unit next-day air (based on inventory)-no waiting weeks for a repair. Included: 1 Year +1 Year: +15% of product price ($45.00) +2 Years: +25% of product price ($75.00) |
| Returns | 90-day free returns on all purchases. View return policy |
| Exchange | Send us your defective 1769-L23E-QB1B after your purchase for a 10% core credit. We also purchase old or damaged parts outright. |
Replacement Options for 1769-L23E-QB1B
In stock and ready to ship today
| Availability | Similar Match AvailableA similar unit is in stock and ready to ship once you confirm the condition you need. |
| Variants | Part NumberConditionSeriesQtyPrice 1769-L23E-QB1BUsed—1$299.99 USD |
| Repairs | 1769-L23E-QB1B Mail-In Repair Service |
Part Number Decoder | CompactLogix controller 1769L23EEQB1B CompactLogix L23E controller, 512 KB user memory, EtherNet/IP port plus RS-232 port, 2 Compact I/O expansion modules, embedded 16-in / 16-out digital I/O.
Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here. |
Allen Bradley Information | Technical Description Allen Bradley CompactLogix Controller 1769-L23E-QB1B features integrated Ethernet/IP communication, 512 KB memory, and 16 digital I/O points Lifecycle: Discontinued — verify current status with the manufacturer |
Alternate Part Numbers | 1769L23EQB1B |
| Category | CompactLogix |
| Part Number | 1769-L23E-QB1B |
| Manufacturer | Allen-Bradley |
Previously sold 1769-L23E-QB1B2 sold
NJT Automation has supplied and shipped 2 1769-L23E-QB1B CompactLogix controllers. These listings are sold; the in-stock options above are ready to ship.
Can the 1769-L23E-QB1B be repaired?
Yes. NJT Automation offers mail-in repair for the 1769-L23E-QB1B, including diagnostic evaluation, component-level repair, and functional testing.
One vendor. One warranty. NJT manages the entire process.
- 1-year full-function NJT warranty, with 2- and 3-year options available
- Rush service available for production-critical repairs
- No evaluation or diagnostic charges
- No repair, no charge
- Pre-paid UPS shipping label provided for sending your unit in
- $650 minimum repair charge, shipping included both ways
Looking for another option? For lower-cost repairs or if you prefer to work directly with an independent repair specialist, compare bids through RepairMode. RepairMode providers operate independently and set their own pricing and warranty terms.
Find a PLC repair specialiston RepairMode.com ↗Common 1769-L23E-QB1B failures
Failure patterns we regularly see on CompactLogix controller hardware like the 1769-L23E-QB1B:
- Program lost on power cycle: battery (1769-BA) depleted, BAT LED red or flashing
- Solid red OK LED (nonrecoverable major fault) at power-up
- Embedded Ethernet port failure or dropped connections on -E / -ER controllers
- CompactFlash or SD card corruption: stored project will not load
- Channel 0 RS-232 port damaged by a hot-plugged programming cable
- 1769 bus faults from a worn local-bus connector or a missing end cap
Repair or replace?
Why Choose Our Repair Service?
- ■ Rush turnaround available, with 24-hour emergency service on some models
- ■ 1-year full-function warranty, with 2- and 3-year extended options
- ■ No evaluation or diagnostic charges
- ■ Free UPS shipping label available
- ■ "Unrepairable" is not an option
- ■ Thousands of successful Allen-Bradley restorations
Request a Repair Quote
Ready to repair your 1769-L23E-QB1B? Request a repair quote below. For immediate assistance, text photos of your faulty unit and a description of the symptoms to (414) 331-5954.
All product photos were taken by NJT Automation. Test videos originated from either NJT Automation internally or from repair technicians within our network.
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