LACO PROTOCOL DESCRIPTIONS TITANTEST™
144
© 2018 LACO TECHNOLOGIES, INC. - TitanTest itra01en1-07 SB.fm - 1807
14.2 LD Protocol specific**
14.3 ASCII Protocol specific**
** Feature not available in TITANTEST™ Maintenance model
Error Possible Reason Solution
IO1000 does not reply Wrong Address Always use Address 1 in LD protocol.
Other protocol errors Try to use NOP command (05hex 04hex 01hex
00hex 00hex 77hex) first, to check if connection
works in general. The answer should be 02hex
05hex XXhex XXhex 00hex 00hex XXhex
IO1000 replys with CRC er-
ror (error code 1)
Wrong CRC calculation Check you CRC code calculation. See example C
source file "CRC_calculation.c" provided by INFI-
CON. Check your code with unit test function in
this source code file.
Error Possible Reason Solution
IO1000 does not reply/leak
detector replies after several
command with “E10?
“Carriage Return? at the
end of the command is
missing
Finish all commands with “Carriage Return?
(ASCII 0dhex/13dez)
leak detector replies with er-
ror message to the first com-
mand only, following com-
mands are interpreted
correctly
Receiving buffer of the leak
detector was not empty
before sending the first
command (e.g. by plug-
ging in the RS232 cable
during operation)
In the ASCII protocol the leak detector has not time
out function which will empty the receiving buffer
automatically. Therefore, the buffer should be emp-
tied before the first command by sending of ESC, ^C
or ^X
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