Allen-Bradley 1756-L75 ControlLogix – Ready to Ship / Pick Up
The Allen-Bradley 1756-L75 is a 32 MB ControlLogix 5570 controller. NJT Automation has 1 in stock in Milwaukee, WI: orders placed before 5:00 PM Central ship the same business day. One-year full-function warranty included.
1 in stock.

$2,299.99USD
| Description | ControlLogix 5570 controller, 32 MB. In stock in unused surplus condition, Series B. |
| Shipping | Ships today from Milwaukee, WI . 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 and we will have your 1756-L75 at the counter. |
| 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 ($345.00) +2 Years: +25% of product price ($575.00) |
| Returns | 90-day free returns on all purchases.View return policy |
| Exchange | We will purchase your old or damaged parts. |
Replacement Options for 1756-L75
In stock and ready to ship today
| Availability | Similar Match In StockA similar unit is in stock and ready to ship once you confirm the condition you need. |
| Variants | Part NumberConditionSeriesQtyPrice 1756-L75 /BUnused surplus (new old stock)Series B1$2,299.99 USD1756-L75 /CRefurbishedSeries C—Request Quote |
| Repairs | 1756-L75 Mail-In Repair ServiceEstimated: $1,440.00 |
Part Number Decoder | ControlLogix 5570 controller 1756L75 32 MB ControlLogix 5570 controller.
Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here. |
Similar Part Numbers | |
Allen Bradley Information | Technical Description ControlLogix Logix5575 Controller with 32 Mbytes Memory + 1 x Built-in USB 2.0 Programming/Download Port |
Alternate Part Numbers | 1756L75 |
| Category | ControlLogix |
| UPC / GTIN | 0612598876051 |
| Part Number | 1756-L75 |
| Manufacturer | Allen-Bradley |
Can the 1756-L75 be repaired?
Yes. NJT Automation offers mail-in repair for the 1756-L75, 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 1756-L75 failures
Failure patterns we regularly see on ControlLogix 5570 controller hardware like the 1756-L75:
- Program lost on power cycle: energy storage module (1756-ESMCAP / ESMNSE) failing to hold the controller through a save
- Solid red OK LED (nonrecoverable major fault) that returns after clearing
- SD card corruption preventing the stored project from loading at power-up
- Front USB port failure: Studio 5000 will not connect over USB
- Scrolling status display blank or unreadable
- Backplane communication faults from bent chassis pins after repeated module swaps
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 1756-L75? Request a repair quote below. For immediate assistance, text photos of your faulty unit and a description of the symptoms to (414) 331-5954.
Still have questions?
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