Data Sheet for Product

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Siemens Climatix Extension Modules ECV2 CB1N3944en
Smart Infrastructure 2021-02-16
Analog/digital outputs (X5…X8)
DC 0…10 V output
Resolution 11 mV
Accuracy at 0 V 66 mV
Accuracy at 5 V 95 mV
Accuracy at 10 V 124 mV
Output current 1 mA (short-circuit proof)
DC output for off board loads
Switching voltage DC 24 V
Switching capacity Max. 25 mA
Voltage output and off board relays from universal IO
3
x
2
o
utputs
Voltage/current DC 5 V, 3 x 20 mA ±2.5%
1)
Voltage/current DC 24 V, 3 x 40 mA (-25%,
+10%)
2)
Reference potential Terminals ┴
Connection Short-circuit proof
1)
avoid pulsating current
2)
max. capacitive load 100 µF
Ratiometric
sensor
Pressure
transmitter
Connecting a ratiometric sensor
24 V sensor supply voltage
Powering sensors
active/ratiometric
5V, 24V (T2, T3)