Article Number (Market Facing Number)：6ES7551-1AB00-0AB0
Product Description：SIMATIC S7-1500, TM POSINPUT 2 Counter and position detection module for RS422 incremental encoder or SSI absolute value encoder, 2 channels, 2 DI, 2 DQ per channel
Product family：Ordering Data Overview
Product Lifecycle (PLM)：PM400:Phase Out Started