

The Allen-Bradley 1756-L63XT is a specialized ControlLogix XT controller engineered for extreme environments where temperature fluctuations, humidity, and corrosive atmospheres are common. Unlike standard ControlLogix processors, the 1756-L63XT features a conformally coated circuit board and robust thermal management, ensuring reliable operation in applications such as offshore drilling, steel mills, and chemical processing. It offers the same powerful instruction set and memory architecture as the 1756-L63, but with enhanced physical resilience. This controller supports seamless integration with Rockwell Automation’s Studio 5000 environment and provides deterministic control for critical processes.
| Specification | Details |
|---|---|
| Product Series | ControlLogix XT (Extreme Temperature) |
| Processor Type | 1756-L63XT |
| User Memory | 4 MB (standard) / 8 MB (with optional memory module) |
| Non-Volatile Memory | 16 MB (for program and data backup) |
| Operating Temperature Range | -40°C to +85°C (-40°F to +185°F) |
| Conformal Coating | Yes (IPC-CC-830 compliant) |
| Maximum Local I/O Modules | 128 (in ControlLogix chassis) |
| Maximum Digital I/O Points | 4,000 (local) / 128,000 (total system) |
| Communication Protocols | EtherNet/IP, ControlNet, DeviceNet (via backplane or optional modules) |
| Backplane Speed | Up to 4 GB/s (ControlBus) |
| Instruction Set | Full ControlLogix instruction set (including motion, process, and safety) |
| Redundancy Support | Not supported (use 1756-L73XT for redundant systems) |
| Power Consumption | 3.5 A Standard Models 5.1 V DC (from backplane) |
| Weight | 0.45 kg (1.0 lb) |
| Certifications | UL, CE, C-Tick, ATEX (Zone 2), IECEx |
| Enclosure Type | Open-style, with conformal coating |

What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22