Allen-Bradley 1769-ECR Right End Cap for CompactLogix

Allen-Bradley 1769-ECR is the right-end cap terminator for CompactLogix 1769 I/O backplanes, designed to be installed on the far right of a 1769 I/O module stack to complete the backplane and preserve electrical characteristics along the 1769 bus. As a genuine Rockwell Automation component, the 1769-ECR supports reliable operation of a CompactLogix I/O assembly by providing the required end-cap termination for the 1769 module chain used in many standard factory automation configurations. The part number 1769-ECR identifies the specific end-cap intended for CompactLogix installations and is used when configuring or expanding 1769-based racks, ensuring that the bus is properly terminated at the right-hand end. This end cap is part of typical 1769-series configurations and is commonly sourced from Allen-Bradley/Rockwell Automation through authorized distributors and the official catalog, reflecting its role as a standard maintenance and expansion item within the CompactLogix ecosystem.