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The name & port number that's automatically allocated to this device can vary. Make a note of the port
number that the device has been allocated. Our example USB to COM device is using "COM9" so this is the
port number we would use to communicate with the inclinometer.
1 & 2
For both Built-in or Separate types:
If the COM device symbol looks like this:
(A good place to start is the website for the manufacturer of the hardware).
Step 3:
Connect the Inclinometer wires to the COM Port:
Full RS232 connections for the LCH-45 inclinometer are as follows:
As the built-in COM port / USB to COM device is fitted with a male type connector you will need a female
type connector to make the necessary solder connections for communication only as shown below:
(Back side of the female DB-9 connector & the required Inclinometer connections)
A First Use Guide for LCH Inclinometers Using the RS232 Serial Interface.
then you will need to troubleshoot the device driver problem.
LCH
LCH Wire
Wire Colour
Function
Red
+ve Power Input
0V Power input &
Blue
RS232 GND
Yellow
RS232 Transmit
Green
RS232 Receive
1
6
Connects to...
...On DB-9 Pin
(Function)
Number
+ve Supply
Not connected to
(9 to 30V)
DB-9
0V Supply
& COM GND.
RS232 Receive
RS232 Transmit
5
9
4
5
2
3
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