Siemens 6ES7322-1BH01-0AA0 Simatic S7 Digital Output Module

Siemens SIMATIC S7-300 digital output module SM 322, model 6ES7322-1BH01-0AA0, provides 16 isolated DC 24 V outputs for direct control of loads such as solenoids, relays, and indicator devices in a S7-300 rack. Each channel switches 24 V DC with a maximum load current of 0.5 A, and the module supports two output groups with a total current capacity of 4 A per group (8 A per module) via a single 1 x 20‑pole connector. The outputs are galvanically isolated from the backplane to protect the CPU and network wiring from field-side disturbances, making it suitable for distributed automation tasks where reliable, discrete control of multiple loads is required within the SIMATIC S7-300 ecosystem.