Allen-Bradley 1756-L84ES ControlLogix Processor | Ready to Ship
GuardLogix 5580 safety controller – 20 MB GuardLogix 5580 safety controller, embedded 1 Gb EtherNet/IP port.
1 in stock.
$4,899.99USD
| Shipping | Ships today from Milwaukee, WI . UPS Ground included | Next-Day Air and Worldwide Shipping available at checkout |
| Description | Allen-Bradley 1756-L84ES ControlLogix Processor (GuardLogix 5580 platform). In stock now in unused surplus condition, Series B. |
| 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 ($735.00) +2 Years: +25% of product price ($1,225.00) |
| Returns | 90-day free returns on all purchases.View return policy |
| Exchange | We will purchase your old or damaged parts. |
NJT Automation supplies the Allen-Bradley 1756-L84ES ControlLogix Processor with fast next-day delivery, backed by a full 1-year warranty. If you prefer to repair your existing unit, we also offer a mail-in repair service with rush turnaround available.
Replacement Options for 1756-L84ES
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-L84ES /BUnused surplus (new old stock)Series B2$4,899.99 USD1756-L84ES /CRefurbishedSeries C—Request Quote |
| Repairs | 1756-L84ES Mail-In Repair Service | Get Estimate |
| Part Number | 1756-L84ES |
| Manufacturer | Allen-Bradley |
| Category | ControlLogix |
Allen Bradley Information | Technical Description Allen Bradley (Rockwell Automation) 1756 E03 - 1756-L84ES Lifecycle: Active — verify current status with the manufacturer |
Part Number Decoder | GuardLogix 5580 safety controller 1756L84ES 20 MB GuardLogix 5580 safety controller, embedded 1 Gb EtherNet/IP port.
Decoded from the Rockwell Automation catalog-number structure. Series and firmware revision are printed on the product label, not encoded here. |
Related Variants |
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Alternate Part Numbers | 1756L84ES |
Can the 1756-L84ES be repaired?
Yes. NJT Automation offers mail-in repair for the 1756-L84ES, 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 ↗Repair or replace?
Common 1756-L84ES failures
Failure patterns we regularly see on GuardLogix 5580 safety controller hardware like the 1756-L84ES:
- Controller will not boot or shows a solid red OK LED (nonrecoverable major fault) after a power event
- SD card corruption: controller reports a load failure or comes up with no project
- Front USB and 1-Gb Ethernet port failures from ESD or a damaged connector
- Four-character status display stuck, blank or showing scrolling fault text
- Overheating in a full chassis, especially with no spacing in sealed enclosures
- Repeated major faults after a firmware flash that did not complete
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-L84ES? 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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