WIKA R-1 - Manual (Page 5)

5 WIKA operating instructions pressure transmitter, model R-1
14026284.01 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 the
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