SM322 64DO, DC24V, 0.3A M-WRITE. For Use With: SIMATIC S7-300 Series. Module Type: Output. Output Type: Digital. Voltage Category: 24 V dc. Length: 125mm. Width: 40mm. Depth: 112mm. Dimensions: 125 x 40 x 112 mm. MPN: 6ES7322-1BP50-0AA0, Siemens