Commissioning / Electrical Connections - WIKA A2G-70 Manual De Instrucciones

6. Commissioning / Electrical connections

6. Commissioning / Electrical connections
Connection diagram
The instruments are designed to operate with safety extra-low voltage
(SELV). The transmitters must be operated at a constant operating
voltage (±0.2 V). Current/Voltage spikes from switching the power
supply on or off must be prevented by the customer.
Wiring diagram for output 0 ... 10 V (standard)
Wiring diagram for output 4 ... 20 mA (option)
Note
If only the humidity output is used, "U
"U 15-24 V= (rF/rH)", and the temperature output "GND / Temp. Out 4-20 mA"
B
has to be brindged to "GND" of the power supply..
WIKA operating instructions air2guide model A2G-70
U B 15-24 V=
GND / Temp Out 4-20 mA
U B 15-24 V=
GND / rF/rH Out 4-20 mA
15-24 V= (Temp.)" has to be bridged to
B
Out Temp 0-10V
Out R H 0-10V
U B 15-24V=/ 24V~
Gnd
Temp. sensor (option)
GB
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