SIPLUS S7-300 SM 322 8RO 40pol based on 6ES7322-5HF00-0AB0 with conformal coating, 0.+60°C, digital output electrically isolated, 8 DA (relay), 1x 40-pin, DC 24V, AC 120-230V, 5A with RC filter overvoltage protection 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.