Data Sheet for Product

12
Siemens CB1Q3903en
Smart Infrastructure 2020-04-08
Power supply for active sensors (DC 24 V) and ratiometric sensors (DC 5 V)
2 x 2 outputs
Voltage / current DC 5 V ±2.5% / 2 x 20 mA
Voltage / current DC 24 V +10 %, -25% / 2 x 40 mA
Reference potential Terminals ┴
Connection Short-circuit proof
Ratiometric sensor Pressure transmitter
Connection of a ratiometric
sensor and pressure transmitter
Digital inputs, potential-free D1, D2 (T4)
0/1 digital signal (binary) For potential-free contacts
Sensing voltage / current DC 24 V / 8 mA
Contact resistance Max. 200 Ω (closed)
Min. 50 kΩ (open)
Counter support:
Pulse frequency
Max. 100 Hz
Connecting floating contacts to digital input