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4. Start up
4.3. Grounding
4.3
Grounding
If the transmitter is not grounded solidly through the meterbody mounting, ground the transmitter
by connecting a wire from the Earth Ground Clamp on the side of the transmitter to Earth
Ground as short as possible. Use a size 8AWG or (8.37 mm
connection. The tightening torque for the grounding screw (shown in
Nm (7.1 to 8.9 lb-in).
24V dc Power Supply Option (DC) System Diagram
(Ordinary Non-Hazardous Locations)
STW TRANSMITTER WITH 24VDC POWER SUPPLY OPTION
(Antenna and Meterbody Omitted for Clarity)
Figure 4-5: Power Supply 24V dc Option (DC) System Diagram
44
-
+
THE POWER SUPPLY OUTPUT SHALL
ONLY BE CONNECTED TO THE
INTERNAL TRANSMITTER CABLE
SmartLine Wireless User's Manual
2
) bare or green covered wire for this
Figure 4-3
+
24Vdc Supply
-
16.0 Vmin
28.0 Vmax
100 mA max
GROUND SHIELD AT THIS END ONLY
is 0.8 Nm to 1.0
Revision 2
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