WIKA AC-1 - Manual (Page 5)

5 WIKA operating instructions pressure transmitter model AC-1
14026285.01 11/2012 GB/D/F/E
GB
1. General information
Explanation of symbols
WARNING!
... indicates a potentially dangerous situation that can result in serious injury or death, if not
avoided.
CAUTION!
... indicates a potentially dangerous situation that can result in light injuries or damage to
equipment or the environment, if not avoided.
Information
… points out useful tips, recommendations and information for efficient and trouble-free
operation.
Abbreviations
2-wire
The two connection lines are used for the voltage supply.
The measurement signal also provides the supply current.
3-wire Two connection lines are used for the power supply.
One connection line is used for the measurement signal.
U
B
Positive power supply terminal
0V Negative power supply terminal
S
+
Positive output terminal