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INSTALLATION
2.4.2.2 Sensor Signal Input Connection
Two input ports are provided for signals from the dew-point transmitter and the
temperature transmitter respectively. They are connected via a single 6-way push fi t
connector block labelled
The method of connection is as follows:
a.
Remove the terminal block from the
b.
Strip back the wires of the dew-point transmitter signal cable, exposing
approximately 6mm (0.2")-the use of crimps/wire ferrules is recommended.
c.
Insert the +4-20 mA lead into the
terminal block and tighten the screw.
d.
Insert the –4-20 mA lead into
terminal block and tighten the screw.
e.
Strip back the wires of the temperature transmitter signal cable,
exposing approximately 6mm (0.2") - the use of crimps/wire ferrules is
recommended.
f.
Insert the +4-20 mA lead into the
the terminal block and tighten the screw.
g.
Insert the –4-20 mA lead into the
the terminal block and tighten the screw.
h.
Check that the wiring has been completed correctly.
i.
Push the terminal block fi rmly back into the
20
HAZARDOUS AREA INFORMATION
Cables from transmitters mounted in hazardous areas can be
connected directly to the
There are built-in Galvanic I.S. barriers for all connections
made to this connector block.
Refer to ATEX/CSA/FM/IECEx certifi cates for the dew-point
and temperature transmitters' connection cable requirements
which stipulate maximum permissible mutual capacitance and
inductance to resistance ratio.
All wiring procedures should be in accordance with local
SENSOR INPUTS
SENSOR INPUTS Connector Block
Figure 12
Dew Point
Liquidew I.S. User's Manual
SENSOR INPUTS
electrical codes.
as shown below.
socket.
SENSOR INPUTS
terminal way on the
Dew Point
+V
terminal way on the
mA
.
Temp./Press
+V
.
Temp./Press
mA
SENSOR INPUTS
97092 Issue 5.1, October 2018
connector block.
terminal way on
terminal way on
socket.
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