Siemens 6ES7 322-1BH01-0AA0 SM322

The SM322, also known as a digital output module, output module or, in short, I/O module, is an electrical module from Siemens with the type number 6ES7 322-1BH01-0AA0. It has the dimensions 15 x 15 x 10 cm and a weight of 0.28 kg. It serves to control actuators and to output digital control signals from a programmable logic controller (PLC), allowing the PLC to communicate with field periphery. Typical applications can be found in industrial automation, mechanical and plant engineering, and process control for the precise switching of lamps, valves, or contactors.