XBee/XBeePRO"燨EM燫F燤odules??02.15.4?爒1.xAx燵2007.05.031]
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Chapter??燫F燤odule燙onfiguration
DL (Destination Address Low) Command
<Networking {Addressing}> The DL command is
used to set and read the lower 32 bits of the RF
module's 64-bit destination address. When com-
bined with the DH (Destination Address High)
parameter, it defines the destination address used
for transmission.
A module will only communicate with other mod-
ules having the same channel (CH parameter),
PAN ID (ID parameter) and destination address (DH + DL parameters).
To transmit using a 16-bit address, set the DH parameter to zero and the DL parameter less than
0xFFFF. 0x000000000000FFFF (DL concatenated to DH) is the broadcast address for the PAN.
Refer to the XBee/XBee-PRO Addressing section for more information.
DN (Destination Node) Command
<Networking {Identification}> The DN command
is used to resolve a NI (Node Identifier) string to
a physical address. The following events occur
upon successful command execution:
1. DL and DH are set to the address of the
module with the matching NI (Node Identifier).
2. OK is returned.
3. RF module automatically exits AT Command Mode.
If there is no response from a modem within 200 msec or a parameter is not specified (left blank),
the command is terminated and an ERROR message is returned.
DP (Disassociation Cyclic Sleep Period) Command
<Sleep Mode (Low Power)>
NonBeacon Firmware
End Device - The DP command is used to set and
read the time period of sleep for cyclic sleeping
remotes that are configured for Association but
are not associated to a Coordinator. (i.e. If a
device is configured to associate, configured as a
Cyclic Sleep remote, but does not find a Coordi-
nator; it will sleep for DP time before reattempt-
ing association.) Maximum sleep period is 268
seconds (0x68B0). DP should be > 0 for NonBeacon systems.
EA (ACK Failures) Command
<Diagnostics> The EA command is used to reset
and read the count of ACK (acknowledgement)
failures. This parameter value increments when
the module expires its transmission retries with-
out receiving an ACK on a packet transmission.
This count saturates at its maximum value.
Set the parameter to 0 to reset count.
AT Command: ATDL
Parameter Range: 0 - 0xFFFFFFFF
Default Parameter Value: 0
Related Commands: DH (Destination Address
High), CH (Channel), ID (PAN VID), MY (Source
Address)
AT Command: ATDN
Parameter Range: 20-character ASCII String
Minimum Firmware Version Required: v1.x80
AT Command: ATDP
Parameter Range: 1 - 0x68B0
[x 10 milliseconds]
Default Parameter Value:0x3E8
(1000 decimal)
Related Commands: SM (Sleep Mode), SP
(Cyclic Sleep Period), ST (Time before Sleep)
Minimum Firmware Version Required: v1.x80
AT Command: ATEA
Parameter Range:0 - 0xFFFF
Minimum Firmware Version Required: v1.x80