Modes Modes of operation
XBee®-PRO 900HP/XSC RF Modules
50
The preceding example changes NI (Node Identifier) to My XBee.
Multiple AT commands
You can send multiple AT commands at a time when they are separated by a comma in Command
mode; for example,ATNIMy XBee,AC<cr>.
The preceding example changes theNI (Node Identifier) to My XBeeand makes the setting active
through AC (Apply Changes).
Parameter format
Refer to the list of AT commands for the format of individual AT command parameters. Valid formats
for hexidecimal values include with or without a leading0xfor exampleFFFFor0xFFFF.
Response to AT commands
When using AT commands to set parameters the XBee-PRO 900HP RF Module responds with OK<cr> if
successful and ERROR<cr> if not.
For devices with a file system:
ATAP1<cr>
OK<cr>
When reading parameters, the device returns the current parameter value instead of anOKmessage.
ATAP<cr>
1<cr>
Apply command changes
Any changes you make to the configuration command registers using AT commands do not take effect
until you apply the changes. For example, if you send theBDcommand to change the baud rate, the
actual baud rate does not change until you apply the changes. To apply changes:
1. Send AC (Apply Changes).
2. Send WR (Write).
or:
3. Exit Command mode.
Make command changes permanent
Send a WR (Write) command to save the changes. WR writes parameter values to non-volatile memory
so that parameter modifications persist through subsequent resets.
Send as RE (Restore Defaults) to wipe settings saved using WR back to their factory defaults.
Note You still have to use WR to save the changes enacted with RE.
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