Description
Need to deploy high-capacity processing power into an environment subject to extreme temperatures or corrosive airborne contaminants? The Allen-Bradley 1756-L83EPXT is a ControlLogix-XT safety controller engineered by Rockwell Automation for extreme environments. It delivers SIL 3, PLe functional safety execution alongside standard control processes within a single, conformal-coated chassis slot. This XT (Extended Temperature) variant features a reinforced thermal and physical design, allowing it to operate reliably in locations where standard automation hardware would fail due to thermal stress or atmospheric degradation.
Availability: Sourced to Order / Limited Stock
Lead Time: Ships within 2 to 4 business days via global air express
Warranty: 12-Month Comprehensive Warranty
Condition: New Original (Factory Sealed Box)
Pricing Note: Due to the specialized engineering parameters, conformal coating, and strict regulatory tracking for ControlLogix-XT safety hardware, market pricing is subject to dynamic fluctuations. The listed value serves as a commercial reference baseline. Contact our global logistics team directly for a firm, project-specific pro forma quotation.
Technical Specifications & Extreme Environment Ratings
In field deployments across heavy industrial sectors like oil and gas processing or mining operations, hardware must withstand harsher environmental baselines. The 1756-L83EPXT utilizes an optimized thermal design to dissipate heat efficiently without relying on internal fans, which are prone to mechanical failure.
| Parameter | Value |
| Brand / Manufacturer | Rockwell Automation / Allen-Bradley |
| Model Number | 1756-L83EPXT |
| Product Line | ControlLogix-XT (Extreme Environment) |
| User Memory | 10 MB (Standard Application) + 5 MB (Safety Memory) |
| Operating Temperature Range | −25 to +70 °C (−13 to +158 °F) |
| Conformal Coating | Yes (Factory applied for protection against moisture and contaminants) |
| Built-In Communication | 1x USB 2.0 Port, 1x 1 Gbps RJ45 EtherNet/IP Port |
| EtherNet/IP Node Capacity | Up to 250 Nodes |
| Safety Certification | SIL 3 (IEC 61508), PLe / Category 4 (ISO 13849-1) |
| Current Draw | 5.0 mA at 1.2 V DC, 1.2 A at 5.1 V DC |
Global Trade, Shipping & Logistics Protocol
Shipping extreme-environment safety controllers across international boundaries requires strict regulatory classification to prevent processing logjams at strategic regional freight hubs.
Export Controls & Dual-Use Clearance
Because the 1756-L83EPXT is a high-performance safety processor capable of running critical safety-instrumented systems (SIS) in heavy infrastructure installations, export documentation is closely monitored.
- ECCN Classification: Typically categorized under 5A002 or EAR99 depending on the specific encryption protocols embedded within the safety firmware. An End-User Statement (EUS) is mandatory before dispatching this asset from our warehouse.
- HS Code for Customs: Harmonized System Code 8537.10.91 (Programmable controllers for an operational voltage not exceeding 1,000 V).
Logistics, Incoterms, & Transit Options
We process standard corporate transactions under EXW (Ex Works) or FCA (Free Carrier) terms to interface cleanly with your chosen freight forwarders. For international facility accounts, priority DAP (Delivered at Place) parameters are available.
- Fulfillment Packaging: The module is packed in a heavy-duty, static-shielding enclosure surrounded by shock-absorbing material to prevent damage during long-distance air transit. The gross shipping weight is approximately 0.75 kg.
- Border Paperwork Setup: Every parcel is shipped with a clear commercial invoice showing verified transaction values, an accurate packing list, and a verified Certificate of Origin (COO) to ensure direct, uninhibited clearance through local customs authorities.
Global Procurement FAQ
- Does the 1756-L83EPXT require an external energy storage module (battery)?
No, this controller utilizes an embedded energy storage solution that automatically saves application logic and memory states to onboard non-volatile flash storage during a power-loss event. Well, technically it eliminates the need for lithium batteries entirely, reducing maintenance overhead in remote or hard-to-reach physical locations.
- Can I mix standard 1756 modules with this XT controller in the same chassis?
Yes, the controller will function in a standard 1756 ControlLogix chassis. However, in our experience, doing so defeats the purpose of the extreme environment engineering. To maintain the −25 to +70 °C operating specification for the entire node, you must pair this module with an XT-rated chassis (such as the 1756-A7XT) and matching XT power supplies.
- What payment protocols are supported for international projects?
We handle international corporate orders via secure bank telegraphic wire transfers (T/T). For long-term facility upgrades or multi-unit procurement orders exceeding $20,000 USD, we accept confirmed, irrevocable Letters of Credit (L/C) payable at sight.



