Data Sheet for Product

9
Siemens
Datasheet
A6V11600411_en
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_a
Smart Infrastructure 2019-08-07
Diagrams
Internal Diagrams
QFA2068 QFA2068D QFA2079
G, G0 Operating voltage AC 24 V (SELV) or DC 13.5...35 V
G1, G2 Operating voltage DC 13.5...35 V
U1 Signal output DC 0...10 V for relative humidity 0...100 %
U2
Signal output DC 0...10 V for temperature range 0...50 °C (R2 = factory setting)
-35...+35 °C (R1) or -40…+70 °C (R3)
I1 Signal output 4…20 mA for 0...100 % r.h.
I2
Signal output 4…20 mA for temperature range 0...50 °C (R2 = factory setting)
-35...+35 °C (R1) or -40...+70 °C (R3)
Note on connection terminals of the QFA2079:
Terminals G1(+) and I1(-) of the humidity output must always be connected to power, even if
only terminals G2(+) and I2(-) of the temperature output are used!
G1(+) and I1(-) are galvanically isolated towards G2(+) and I2(-).