SIPLUS S7-300 SM 322-20-pin. -40...+70°C with conformal coating conformity with EN 50155 T1 Cat 1 Kl A/B based on 6ES7322-1HH01-0AA0. Digital Output OPTICALLY ISOLAT 16DO, Relay Contacts SIPLUS S7-300 SM 322-20-pol. -40...+70°C with conformal coating Conformity with EN 50155 T1 Cat 1 Class A/B based on 6ES7322-1HH01-0AA0, Digital Output OPTICALLY ISOLATE 16DO, Relay Contacts SIPLUS S7-300 Digital Module Output SM 322, DO 16xRelais DC 24 V/AC 120/230 V/8 A -40 ... +70°C with Conformal Coating based on 6ES7322-1HH01-0AA0