Data Sheet for Product

13
Siemens CB1Q3903en
Smart Infrastructure 2020-04-08
Digital input AC 24 V, DU1, DU2 (T5)
0/1 digital signal (binary) Galvanically isolated voltage input
Nominal voltage AC / DC 24 V
Input current 8 mA
Counter support: Pulse frequency Max. 5 Hz
Connecting a DC 24 V signal to a digital input
Digital input AC 230 V, DL1, DL2 (T13)
0/1 digital signal (binary) Galvanically separated voltage contact
Rated voltage AC 115 V…230 V (-15%, +10%)
Frequency range 45…65 Hz
Input current 3 mA @ AC 230 V
Counter support: Pulse frequency Max. 5 Hz
Connecting an AC 230 V signal
to a galvanically separated digital input