SIEMENS 6ES7321-1FF10-0AA0 SIMATIC S7-300, DIGITAL INPUT SM 321, ISOLATED, 8 DI, 120 V/230 V AC, 1X 40-POLE

SIEMENS 6ES7321-1FF10-0AA0 SIMATIC S7-300, DIGITAL INPUT SM 321, ISOLATED, 8 DI, 120 V/230 V AC, 1X 40-POLE

The **SIEMENS 6ES7321-1FF10-0AA0 SIMATIC S7-300 SM321** module is a Digital Input module designed for the SIMATIC S7-300 series. This module, SM321, provides 8 isolated digital inputs that can operate at either 120V or 230V AC. It is equipped with a 40-pole connector for easy wiring and connection to the control system.

Digital Input modules like the SM321 are crucial in industrial automation systems, allowing the control system to receive digital signals from external devices or sensors. The isolation feature enhances the module's ability to withstand electrical noise and interference, ensuring precise and reliable signal processing in industrial environments where stable operation is essential.