Siemens 6ES7 321-1BH02-0AA0 SIMATIC S7 SM321 Digital Input Module DI 16x24V DC PLC Module

The Siemens 6ES7 321-1BH02-0AA0 is a SIMATIC S7 SM321 Digital Input Module designed for reliable digital signal acquisition in industrial automation and PLC applications. This module features 16 digital 24V DC input channels, ensuring accurate monitoring of field devices such as sensors, switches, and limit contacts. Engineered for the SIMATIC S7-300 automation system, it delivers dependable performance in demanding industrial environments.