SIPLUS S7-300 SM 332 2AO 20-pin based on 6ES7332-5HB01-0AB0 with conformal coating, -25.+70°C, analog output electrically isolated, 2 AA, U/I, resolution 11/12 bit 20-pin, plugging/unplugging possible with active backplane bus Like the CPU, the analog output modules are also protected against extreme environmental conditions. Thanks to the 100% conformal coating, they withstand biological, chemical and mechanically active substances, condensation, frost and harmful gases. No matter what the conditions - your analog signals are output reliably.