Section 5. Testing and Troubleshooting
5-2
2.
Check the Vosponder
a.
Leave the radio system in place. Connect the
Vosponder to the computer using a null modem cable
and initiate communication using a terminal program
such as HyperTerminal. (Refer to Section 4.) At the
main menu prompt (M:>), issue a (S)peak command by
pressing “S”. You should then hear the default text
message coming over your radio.
If this works, then the problem is most likely due to one
of the following:
1.
The output from the datalogger program does not
match with the voice image file that is loaded on
the Vosponder. Refer to Sections 2 and 3 to make
sure that the program is written correctly and that
the voice image file matches with the output being
sent from the datalogger.
2.
Make sure that the SDI-12 address in the datalogger
program matches the SDI-12 address of the
Vosponder. Refer to Section 3 for details on how
to view the Vosponder’s assigned SDI-12 address.
If this doesn’t work, then the problem is likely with the
radio or radio handset, or a connection problem between
the radio the Vosponder. Check each component if
possible to make sure they are all working properly.
3.
Check the datalogger program
a.
Make sure that the part of your program where SDI-12
command (i.e., “XD”, “XS”, or “XT”) is issued follows
the correct format. See Section 2. It is critical that there
is a “0” (zero) following the last numeric value in the
last P68 instruction that follows the P105 instruction.
b.
You can also connect to the datalogger via a computer
and in LoggerNet and view the Ports/Flags. If your
program is sending more than two values to the
Vosponder, you should see the port that you have called
in your P105 instruction go high (green dot). If it
doesn’t, then you probably need to modify your
program.
If the datalogger control port goes high, if the Vosponder
responds to the Speak command when directly connected to
a computer, and if the radio link is functional, you should be
able to hear message broadcasts.
Содержание Vospoder
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