VEGA VEGAWELL 71 - Manual (Page 8)

8 VEGAWELL 71
+
–
Zum Anschluß an
Druckmeßumformer mit
analogem Ausgangssignal
VEGABOX 01
TRANSMITTER – +
+
–
For connection to
pressure transmitters with
analog output
1 2 3 10 11 12
+
–
+
–
Terminal coordination and connection to VEGABOX 01 external connection hous-
ing
Pressure transmitter with direct
cable outlet
Screen
For supply or to the processing
system (4 … 20 mA,
12 … 36 V DC)
Breather capillaries
Suspension
cable
Control instrument
(4 … 20 mA-measure-
ment)
VEGABOX 01
Electrical connection
4 Electrical connection
VEGAWELL 71 with straining clamp
4…20 mA
to processing unit
and supply voltage
standard two-wire
cable
4…20 mA
4…20 mA
External connection housing
VEGABOX 01
PE-cable with breather
capillaries
Interferences and overvoltages must often
be expected in an industrial environment ,
especially in wells and sewage plants where
overvoltages due to lightning strikes are
possible. The pressure transmitters are
therefore equipped with an integral
overvoltage protection.