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4.3 Wiring
If the power ground terminal and the negative 4-20mA terminal in the controller are internally connected
(non-isolated 4-20mA input), it is unnecessary to connect the 4-20mA negative wire (green) to the 4-20mA
negative terminal in the controller. If a separate DC power supply other than that from the controller is
used, make sure that the output from the power supply is rated for 22-26 VDC @ 65mA.
*
NOTE
*
The negative 24V power terminal (power ground) and the negative 4-20mA ter-
minal on the LSP Series probe are internally connected.
Follow the wiring table below to connect the LSP Series probe to a controller:
Wire Color Designation
Red 24V +
Black 24V Power ground
White 4-20mA +
Green
*
4-20mA -
Blue RS-485 A
Yellow RS-485 B
Clear Shield, earth ground
* Internally connected to the power
ground
*
NOTE
*
When the LSP Series sensor is powered through the above 24 VDC wiring configu-
ration, the batteries should be removed from the compartment.
5 Instrument Overview
5.1 Function Buttons
The buttons on top of the LSP Series sensor (Figure 7) are used to select one of four display modes, one of
three Bluetooth modes, and one of four measurement modes.
*
NOTE
*
The function buttons are not used to configure the sensor. For LSP Series sensor
configuration, see either the Setup and Configuration with uPyxis® Mobile App section or
the Setup and Configuration with uPyxis® Desktop App section of this manual.
Figure 7.
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