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3. Signs, symbols and abbreviations / 4. Function
3. Signs, symbols and abbreviations
Potential danger of life or of
!
severe injuries.
Warning
Potential danger of life or
of severe injuries due to
catapulting parts.
Warning
Potential danger of burns
due to hot surfaces.
Caution
The product has an IO-Link
communication interface, if
this logo is on the product
label.
U+
Positive supply connection
U-
Negative supply connection
SP1
Switching point 1
SP2
Switching point 2
S+
Analogue output
C
Communication with IO-Link
3-wire
Two connection lines are intended for the voltage supply.
One connection line is intended for the measurement signal.
4. Function
The pressure prevailing within the application is transformed into a switching output or
standardised electrical signal through the deflection of the diaphragm, which acts on the
sensor element with the power supply fed to the transmitter. This electric signal changes in
proportion to the pressure and can be evaluated correspondingly.
4
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio PSD-30
Notice, important informa-
tion, malfunction.
DC V Direct voltage
The product complies with
the applicable European
directives.
UL
Underwriters Laboratories
Inc.
®
The product was tested
according to the applicable
US-American and Canadian
standards and certified by
UL.
GB
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