WIKA WUD-20 Mode D'emploi page 16

5. Commissioning, operation
Relationship between power supply and load (R
EN
5.2.2 Making the electrical connection
▶
Screw the connector in hand-tight. The ingress protection is only ensured if the installation
instructions for the seals are followed.
▶
Ensure that no moisture can enter at the cable end.
▶
The transducer must be grounded via the process connection.
▶
Use a shielded cable, if the line is longer than 30 m or leaves the building.
▶
Do not connect the cable shield on the instrument side.
16
4 ... 20 mA, 3-wire
permissible range
WIKA operating instructions Ultra High Purity transducer, model WUD-2x
)
A
Current output (3-wire)
4 ... 20 mA:
R
A
Voltage output (3-wire)
DC 0 ... 5 V: R
DC 0 ... 10 V: R
with R
U+
≤ (U+ – 10 V) / 0.02 A
> 5 kΩ
A
> 10 kΩ
A
in Ω and U+ in Volt
A