WIKA PSD-31 - Manual (Page 5)

5 WIKA operating instructions pressure switch model PSD-3x
GB
11430486.06 02/2012 GB/D/F/E
Explanation of symbols
WARNING!
... indicates a potentially dangerous situation which can result in serious injury or death if not
avoided.
CAUTION!
... indicates a potentially dangerous situation which can result in light injuries or damage to
the equipment or the environment if not avoided.
Information
… points out useful tips, recommendations and information for efficient and trouble-free
operation.
Abbreviations
U
+
Positive power terminal
U- Negative power terminal
S
+
Analogue output
SP1 Switch point 1
SP2 Switch point 2
C Communication with IO-Link
1. General information