Siemens 6ES7322-1FF01-0AA0 is a SIMATIC S7-300 digital output module (SM 322) offering eight AC outputs that drive loads at 120–230 VAC up to 1 A per channel, with four‑channel grouping. It mounts in a SIMATIC S7-300 rack and uses a 1 × 20-pin interface for connection to the backplane. This 8-channel DO module is designed to switch AC loads such as relays, contactors, and other AC devices under the control of the S7-300 PLC. The part is identified by 6ES7 322-1FF01-0AA0, which denotes the AC‑output variant within the SM322 family.
