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A. Appendix
A.1 INIT Mode
Each tM module has a built-in EEPROM to store
configuration information such as module address, type code,
Baud Rate, etc. Occasionally, the configuration of a module
may be forgotten and there are no visual indications of the
configuration of the module. It is difficult to communicate
with the module when the configuration of the module is
unknown. To help avoid this problem, the tM series has a
special mode called
“INIT mode”
. When the module is
powered on in
“INIT mode”
the configuration of the module
is reset as follows, allowing it to be operated as normal.
1.
Address: 00
2.
Baud Rate: 9600 bps
3.
No checksum
4.
Protocol: DCON
The configuration information stored in the EEPROM is not
changed and can be read by sending the $002(CR) command
at 9600bps.
There are commands that require the module to be in INIT
mode. They are:
1.
%AANNTTCCFF when changing the Baud Rate and
checksum settings. See Section 2.1 for details.
2.
$AAPN, see Section 2.20 for details.
tM Series DIO User Manual, Rev: A1.3 7PH-013-A13
133
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