SIEMENS 6ES7321-7RD00-0AB0 SIMATIC S7, DIGITAL INPUT SM 321, ISOLATED, 4 DI; 24 V DC, NAMUR/DIN 19234

SIEMENS 6ES7321-7RD00-0AB0 SIMATIC S7, DIGITAL INPUT SM 321, ISOLATED, 4 DI; 24 V DC, NAMUR/DIN 19234

The **SIEMENS 6ES7321-7RD00-0AB0 SIMATIC S7 SM321** module is a Digital Input module suitable for the SIMATIC S7 series. This module, SM321, features 4 isolated digital inputs designed to operate at 24V DC. It is compatible with NAMUR/DIN 19234 standards, which are common in process automation for sensors and transmitters.

Digital Input modules like the SM321 are essential in industrial automation systems, allowing the control system to receive digital signals from various devices following specific industry standards like NAMUR and DIN. The isolation feature ensures accurate and reliable signal processing, critical for precise control and monitoring in industrial applications.