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Allen-Bradley 1771-IK/A Encoder Counter Module, Series A. This module is designed for use with the Allen-Bradley 1771 I/O system, adding high-speed counting and encoder input capabilities to your PLC-5 or compatible automation system.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.