5 connect to the signal circuit, 1 preparing the connection, 2 wiring plan – VEGA VEGADIS 175 User Manual
Page 10: 5connect to the signal circuit

5
Connect to the signal circuit
5
.1 Preparing the connection
Always keep in mind the following safety instructions:
l
Connect only in the complete absence of line voltage
In hazardous areas you must take note of the respective regulations,
conformity and type approval certificates of the sensors and power
supply units.
5
.2 Wiring plan
1 2 3 4
1
Fig. 2: Terminal assignment VEGADIS 175
1
Measuring signal
Terminal
number
Polarity
Function
1
+
Input measuring signal
4 … 20 mA
2
Internally bridged with terminal
4
Connection terminal for
additional instrumentation
3
-
Input measuring signal
4 … 20 mA
4
Internally bridged with terminal
2
Connection terminal for
additional instrumentation
Note safety instructions
Take note of sa-
fety instructions
for Ex applica-
tions
Terminal assignment
10
VEGADIS
175
5 Connect to the signal circuit
24386
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