Rockwell Automation A-B A40851-138-66 ControlNet Interface Module

The Rockwell A-B A40851-138-66 Control Module is designed for seamless integration into industrial automation systems. It offers advanced control capabilities, enhanced networking options, and a robust design suitable for demanding environments.

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

Allen-Bradley A40851-138-66 Processor Front View
A40851-138-66 Module Connectors
ControlLogix Processor Installation

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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