Rockwell Automation A-B A40851-138-66 ControlLogix Processor
The Allen-Bradley A40851-138-66 ControlLogix Processor delivers advanced automation capabilities for industrial control systems. Designed as the central processing unit in ControlLogix platforms, it enables precise real-time control of complex manufacturing processes, machinery synchronization, and data acquisition across distributed networks.
Technical Specifications:
| Brand | Allen-Bradley |
| Model | A40851-138-66 |
| Type | ControlLogix Processor (1756-L71) |
| I/O Capacity | Up to 64K points |
| Memory | 1 MB user memory |
| Operating Voltage | 5 VDC |
| Temperature Range | -40°C to 85°C |
| Communication Protocols | Ethernet/IP, ControlNet, DeviceNet |
| Programming Support | Structured Text, Ladder Logic, Function Block Diagram |
| Certifications | CE, UL, CSA, RoHS |


Industrial Applications:
- Automated assembly line control systems
- Material handling and conveyor synchronization
- Batch processing in chemical plants
- Packaging machinery coordination
- Energy management and distribution control
Compatible with ControlLogix 1756 series I/O modules, communication adapters, and safety controllers. Commonly paired with 1756-ENBT Ethernet modules, 1756-CNB ControlNet scanners, and 1756-OB16 output modules for complete system integration.
Vertex Industrial Solutions:
As specialists in industrial automation hardware, Vertex Industrial sources premium surplus and refurbished components from global suppliers. Our technical team provides expert pre-sales consultation and comprehensive 1-year warranty on all products.
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