SIEMENS 6ES7321-1EL00-0AA0 SIMATIC S7-300, DIGITAL INPUT SM 321, ISOLATED, 32 DI, 120 V AC, 1X 40-POLE

SIEMENS 6ES7321-1EL00-0AA0 SIMATIC S7-300, DIGITAL INPUT SM 321, ISOLATED, 32 DI, 120 V AC, 1X 40-POLE

The **SIEMENS 6ES7321-1EL00-0AA0 SIMATIC S7-300 SM321** module is a Digital Input module designed for the SIMATIC S7-300 series. This specific module, SM321, provides 32 isolated digital inputs that operate at a voltage of 120V AC. It features a 40-pole connector for wiring and connection to the control system.

Digital Input modules like the SM321 are essential in industrial automation systems, enabling the control system to receive digital signals from various external devices or sensors. The isolation feature helps to protect the module from electrical interference and noise, ensuring accurate and reliable signal processing in industrial environments where stability and precision are paramount.