... 3DAI02,ANALOG INPUT MODULEDAI03, Analog input as of V 3DAI04, Analog input as of V 3DAI05, Analog input as of V 3DAO01, Analog output as ... of V 5.1DDO01, Digital output as of V 3DDO02, Digital output as of V 3DDO04DFI01, Frequency input as of V 3.3DI801 ... .c.DI830 Digital Input 24V d.c. SOEDI831 Digital Input 48V d.c.,SOEDI840 Digital Input. Redundant or singleDI885 Digital Input 24/48V d.c.,SOE ...