Siemens 6ES7321-1BH00-0AA0 Input Module
Product Description
The Siemens 6ES7321-1BH00-0AA0 is a digital input module from the SIMATIC S7-300 series, designed as a SM 321 digital input module with 16 channels at 24 V DC . This module provides reliable, optically isolated signal detection, effectively minimizing electrical interference in demanding industrial environments . It supports connection to 2-wire sensors and features robust electrical isolation between the channels and the backplane bus . The module’s compact design and straightforward 20-pin front connector interface ensure simplified installation and maintenance within control cabinets , making it a dependable choice for a wide range of automation tasks. (Note: This product has been declared obsolete by Siemens and is superseded by the 6ES7321-1BH02-0AA0 .)
Product Data & Specifications Table
