SIPLUS S7-300 SM 322 8DA 120/ 230 Vac 1A -40...+70°C with conformal coating based on 6ES7322-1FF01-0AA0 . Digital output, electrically isolated, 8 DA, AC 120/230V, 1A, 1x 20-pin Like the CPU, the digital output modules are also protected against extreme environmental conditions. Thanks to the 100% conformal coating, they can withstand biological, chemical and mechanically active substances, condensation, frost and harmful gases. No matter what the conditions - your digital signals are output reliably.