Allen-Bradley 1769-ECR CompactLogix Right End Cap / Bus Terminator Required Right-Side Termination for 1769 CompactLogix I/O Assemblies

Allen-Bradley 1769-ECR CompactLogix Right End Cap Terminator

The Allen-Bradley 1769-ECR is a right-side end cap designed to terminate the FlexBus of CompactLogix 1769 I/O systems. It ensures accurate system recognition of connected modules and maintains stable operation in industrial control environments.

Why It Helps

The 1769-ECR provides essential bus termination for CompactLogix controllers, preventing configuration errors and ensuring each module is properly identified. Its open-style construction and compact form factor support efficient panel layouts while maintaining compatibility across 1769-series I/O assemblies.

Key Highlights

• Installs at the right end of a CompactLogix 1769 I/O bank to terminate the FlexBus and complete the system configuration.

• Supports stable controller operation by ensuring the I/O chain is recognized and validated by the system.

• Designed for environments with vibration up to 5 g and shock ratings of 20 g (DIN rail) and 30 g (panel mount).

• Operates in temperatures from 0–60 °C (32–140 °F) and altitudes up to 2000 m for dependable field performance.

• Simple installation using alignment guides and a bus lever to securely engage the module.

Applications

Ideal for CompactLogix PLC systems requiring proper bus termination at the right side of a 1769 I/O group. Ensures stable operation, accurate module detection, and reliable integration within industrial automation panels.