Appendix; Init Mode - ICP DAS USA DGW-521 User Manual

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A. Appendix

A.1 INIT Mode

Each DGW-521 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 DGW-521 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 they 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 Baud Rate and checksum

settings.

2. $AAPN

DGW-521 User Manual, Rev. A1.0

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