User Manual

4
Siemens CB1Q3950en
Smart Infrastructure 2020-06-08
Digital input DL1 (T4)
0/1 digital signal (binary) Galvanically separated voltage contact
Rated voltage AC 115…230 V (-15%, +10%)
Frequency range 45…65 Hz
Input current 3 mA at AC 230 V
Delay 100 ms
Pulse frequency Max. 5 Hz
Configurable Via software
Reference potential Terminals ┴
Contact voltage Max. DC 24 V (SELV)
Overvoltage protection Up to 40 V
Connecting a AC 230 V signal to a galvanically separated digital input
Universal I/Os X1…X3 (T1)
Configurable Via software
Reference potential Terminals ⊥
Contact voltage Max. DC 24 V (SELV)
Overvoltage protection Up to 40 V
Analog inputs X1…X3 (T1)
Ni1000
Sensor current 1.4 mA
Resolution 0.1 K
Accuracy within the range -50…150 °C 0.5 K
Pt1000
Sensor current 1.8 mA
Resolution 0.1 K
Accuracy within the range -40…120 °C 0.5 K
NTC 10k
Sensor current 140 μA
Temperature range Accuracy Resolution
-50…-26 °C 1 K 0.2 K
-25…74 °C 0.5 K 0.1 K