Asi-Safe module, IP00, Digital 2F-DI + 4Di/4Do double Slave for Fortress 2 x safe inputs, cat. 1/2 or 1x safe entrance cat. 3/4 (kat.: Security category according to EN 954-1 ) And 4 x standard inputs for data-in from the internal serial bus, 4 x standard exits for data-out to the internal serial bus, U_Asi Total Max. 270 but via the X320/5 V/Max.250 connector but to the internal serial bus the internal serial bus Module occupies 2 AS-I addresses includes 3 PCBs without custody As-I link via Occhielli to weld the internal serial bus connection via connector (*)